Jobs for Senior Full Stack Developer

React Software Developer

Description The National Security Sector within Leidos is seeking a Full Stack Developer with a heavy concentration using React, with strong systems, software, cloud, and Agile experience. The qualified candidate will support a complex program providing Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States. In this hands‑on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real‑time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines, and other resource constraints. You will participate in and/or direct major deliverables of projects through all aspects of the software development life cycle—including scope and work estimation, architecture and design, coding, and unit testing. This position REQUIRES the candidate to be in Ashburn, VA, twice a week Basic Qualifications BS/BA degree and 8 years of related experience or Master’s with 10 years of related experience; OR 4 years of related experience in lieu of degree Thorough understanding of React and its core principles Self‑starter with experience with enterprise‑level applications and can guide a large team Experience with Agile Scrum methodology and working in a SecDevOps environment Experience working with containerized applications preferably utilizing Konvoy 3+ years’ experience developing cloud‑ready applications and/or experience migrating applications to the cloud. 2+ years of experience in one of the following: JAVA, JSF, JavaScript, Spring, automated test tools such as Selenium. Proficient in JAVA, JavaScript, including DOM manipulation and the JavaScript object model 3+ years experience with Microservices/RESTful APIs Hands‑on experience with HTML/CSS/SCSS Hands‑on experience with modern authorization mechanisms, such as JSON Web Token (JWT) Preferred Qualifications Hands‑on working experience with Redux Store for session management. Hands‑on experience with more current specifications of EcmaScript (ES6) Experience with common front‑end development tools such as Babel, Webpack, NPM, Node, etc. A knack for benchmarking and optimization is plus. AWS Developer or Solutions Architect certifications Active Full CBP BI Experience with Google Cloud If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares. Original Posting For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment‑related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment‑related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected]. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr

High salary

Full Stack Developer, Lead

Bigbear.ai Ashburn, VA

Overview BigBear.ai is seeking a Senior Full Stack Developer to a multi-year contract to support the ongoing modernization and maintenance of the CBP information systems, using JAVA/JEE.What you will do Design and implement JEE software applicationsUse modern software engineering tools and methodologies including Eclipse, Spring boot, Kubernetes, Docker, and Atlassian Products (Jira, Confluence)Work with users in an Agile development approach to understand requirements, then elicit feedback and refine solution through demonstrationsPresent the solution at formal and informal design reviews, and document the design according to the Government’s system lifecycle methodologyWhat you need to have Bachelor's Degree and 8 to 10 years of experienceHTML, JavaScript, CSS, XML and JSON (Required)AWS (Required)JQuery, Angular, React (Required)SQL (Required)JEE Web Tier Technologies (Servlets, Struts, Spring MVC)EJBSWeb services (SOAP and Restful)Unix/ LinuxJEE Server experience (Spring boot, Tomcat, WebLogic, WebSphere etc.)JMSDatabase Connectivity (JDBC, JPA, Hibernate)8+years Java JEE(Required)Experience developing microservicesWhat we'd like you to have Developing 100% automating unit testsAgile development approachAbility to work in a high-pressure, tight-deadline environmentSuperior written and oral communication skills are essentialMust be able to multitask efficiently and progressively and work comfortably in an ever-changing data environmentExcellent verbal/written communication and problem-solving skills; ability to communicate information to a variety of groups at different technical skill levelsAbout BigBear.ai BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on BigBear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.#J-18808-Ljbffr

Immediate Start

Full-Stack Developer (.Net Developer+)

HSP Direct LLC Ashburn, VA

HSP Direct, based in Ashburn, VA, is a leading full-service direct mail fundraising agency. We provide direct mail and online fundraising, audience cultivation, production services, graphic design, and list and data services through our affiliated companies. Driven by data and conservative values, we proudly serve over 100 non-profit and political clients. We’re seeking highly motivated team members to join us on the cutting edge of data and fundraising.Position SummaryThe Full-Stack Developer (.NET Developer+) will play a key role in designing, developing, deploying, managing, and maintaining enterprise-grade applications that support HSP’s business operations and data-driven fundraising systems. This role collaborates closely with Developers, Data Analysts, and Operations teams to create efficient, scalable, and reliable software solutions. The ideal candidate possesses strong experience with C#/.NET, modern JavaScript frameworks, and cloud-native technologies, with a focus on building maintainable systems that deliver measurable business value.This is a full-time, in-office position located in Ashburn, VA. Remote work is not an option.Duties and ResponsibilitiesCollaborate with Developers, Data Analysts, and Operations to define functional requirements and translate them into technical specifications.Design, develop, test, and deploy applications using modern software engineering practices.Perform technical analysis, design, and implementation of business-critical applications using Microsoft .NET technologiesParticipate in Agile/Scrum processes, providing input on requirements, estimates, and architecture.Develop and maintain RESTful APIs, web applications, and integration services.Provide ongoing technical support and maintenance for enterprise applications.Implement and promote clean architecture, design, and secure coding standards.Utilize cloud-native technologies (Azure) for scalable, efficient deployments.Manage and deliver multiple concurrent projects while ensuring quality and adherence to best practices.Required QualificationsBachelor’s degree in computer science, software engineering, or related STEM field.3–5 years of relevant full-stack development experience.Strong proficiency in C# and .NET, including the latest .NET frameworks (.NET Core and above).Proven experience in enterprise software development using Microsoft technologies.Working knowledge of Agile Scrum methodology, software design patterns, and clean architecture.Hands‑on experience with cloud platforms such as Microsoft Azure.Experience with the following technologies:Visual Studio 2019 & 2022.NET 3.5–4.8+ / .NET Core, C#, and JavaScriptReactJS or AngularJSProficiency with Git for version control, including branching, merging, and managing code repositories in collaborative team environmentsMicrosoft SQLMicrosoft Analytics Platforms (Synapse, Fabric) and Python desiredHighly Preferred QualificationsExperience integrating front-end and back-end systems in large‑scale applications.Familiarity with DevOps practices including CI/CD pipelines and automated testing.Knowledge of RESTful API design, microservices, and containerization (Docker, Kubernetes).Experience with Entity Framework or similar ORM tools.Understanding of secure coding practices and performance optimization.Strong analytical and problem‑solving skills with attention to detail.The ideal candidate will be a proactive, collaborative problem‑solver who thrives in a fast‑paced, data‑driven environment. You should be passionate about technology, adaptable to new challenges, and committed to delivering exceptional solutions that advance HSP’s mission.If this challenge seems like a great fit for you and you’re seeking a promising career path, please apply with a cover letter, resume, and salary requirements.Cover letter is required for consideration.Company BenefitsCompetitive salary commensurate with experience.Comprehensive benefits package including health, dental, and vision insurance.Annual staff events including field day, golf and spa outings, offsite Christmas party, and more.401(k) with company match.Generous PTO and holidays.MAHA approved snacks and drinks.Company goal trips.Onsite fitness center.Employment EligibilityIn compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. HSP Direct will not sponsor work visas.#J-18808-Ljbffr

Full Stack Developer

Dynanet Ashburn, VA

Dynanet started with a focus on IT infrastructure and operations, helping organizations enhance their networks and overcome the limitations of 1990s technology. From strengthening communication channels to introducing innovative ways to collaborate and share information, Dynanet played a crucial role in shaping the early stages of digital transformation. The company’s efforts helped organizations build the very fabric of connectivity that now powers our modern world. Over the last three decades, Dynanet has grown into a trusted partner for organizations looking to innovate boldly and transform seamlessly. While technology continues to evolve and unlock new opportunities, for nearly 30 years, Dynanet remains committed to delivering cutting‑edge solutions that drive lasting change for its customers. Through agility, foresight, and an unwavering dedication to excellence, Dynanet continues to empower organizations to thrive in a rapidly changing digital landscape. Our story is more than just a story of technology – it’s a story of vision, growth, and transformation that has shaped the past and continues to pave the way for the future.About the Role:Strong experience in modern web development and applied AI integration. The ideal candidate will be comfortable building scalable, data-driven web applications using React , Next.js , NestJS , and MongoDB , and will have hands‑on experience implementing Retrieval‑Augmented Generation (RAG) systems and prompt engineering for AI‑driven features.You’ll work across the stack to design, develop, and deploy robust products that leverage both front‑end interactivity and intelligent backend systems.Design, build, and maintain scalable full‑stack applications using Next.js , React , NestJS , and MongoDB .Integrate and optimize AI‑based features , including RAG pipelines and LLM‑powered tools.Develop and tune prompt templates , retrieval chains, and embeddings for contextual AI performance.Collaborate with product managers, designers, and data scientists to translate requirements into technical solutions.Implement secure APIs, efficient data models, and robust backend services.Ensure application performance, security, and reliability across deployments.Participate in code reviews, testing, and CI/CD pipelines.Stay up to date with modern frameworks, AI integration patterns, and best practices in full‑stack engineering.Required Professional Skills:Must have an existing CBP Full BIPreferred Professional Skills:Familiarity with LangChain , LlamaIndex , or similar frameworks for AI application development.Experience with vector databases (e.g., Pinecone, Weaviate, Milvus).Knowledge of CI/CD pipelines and DevOps practices.Experience working in Agile/Scrum teams.Dynanet Team Requirements and Expectations:Possess Strong written and verbal communication skills.Highly organized with an ability to prioritize, balance, and effectively advance multiple competing priorities in a high‑volume, fast‑paced environment.Ability to interact in a professional and collaborative manner with fellow Dynanet Teammates and the clients, and business partners that we work with.Ability and desire to challenge and educate yourself to support and advance IT services delivery in the Federal agencies we serve.Excellent judgment and creative problem‑solving skills.Respond to team member and client requests via email, MS teams, or other communication means during core business hours.Active listening skills to understand clients' needs, and collaboration skills to work with other developers and designers.Education/Experience Requirements:Bachelor’s degreeinCybersecurity, IT, or related field(orequivalentexperience)Must have an existing CBP Full BI3–5 years of experience as a Full Stack Engineer or similar role.Experience building and deploying RAG‑based AI systems (e.g., integrating vector databases, embedding models, or LLM APIs).Familiarity with prompt engineering techniques for optimizing AI outputs.Strong understanding of RESTful and GraphQL API design.Experience with version control (Git), containerization (Docker), and cloud platforms (AWS, GCP, or Azure).#J-18808-Ljbffr

Applications Developer

Chakrabarti Management Consultancy, Inc Ashburn, VA

Location: **This position REQUIRES onsite support in Ashburn, VA, 2 times a week**Why CMCI?CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly competitive market. Our goal is to seamlessly integrate into each customer's organization to fully understand their business and technological needs. This approach allows us to quickly deliver high quality solutions while achieving the highest level of customer satisfaction on time and within budget. By choosing CMCI, you are choosing a company that can deliver on business outcomes and mission needs in the most cost-effective manner and without sacrificing capability. As a part of CMCI's culture of loyalty and commitment to its employees, CMCI is committed to providing a tremendous career path by promoting employees to their highest potential.Requirements Job Description :At CMCI, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Are you ready for your next career challenge? Homeland Force and Protection within CMCI is seeking a strong applications developer to join the Traveler Processing and Vetting Solutions (TPVS) Program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States.The position is focused on delivering performance-based IT services and repeatable solutions. Our team is looking for a developer that can support applications in a cloud-based, large-scale enterprise environment with the goal of learning new technologies to optimize efficiency and improve performance. As such, this individual must be able to manage assigned tasks and solve technical problems and be able to work well individually and in small to medium-sized teams. The development role will be one of many within a team of 10+ people, and close interactions with other agile delivery teams across PSPD, CBP, and external applications will be necessary for success.**This position REQUIRES the candidate to be in Ashburn, VA, twice a week**Primary Responsibilities• Learn and support the implementation of workflow and rules technology integration across multiple applications• Manage assigned tasks to completion within a team of 10+ developers.• Identify and resolve technical issues that arise• Work independently• Employ ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives• Communicate with internal team members across multiple areas and client team members.Required Skills and Experience :• BA/BS with 5+ years of relevant experience or 3+ years of relevant experience with Master's Degree: OR 6 years of experience in lieu of degree• Must be able to maintain and obtain a CBP Background Investigation prior to start• Experience in Java• Experience with cloud-based computing• Experience with agile-based implementations• Good communication skills with ability to interact effectively across multiple teamsPreferred Skills (Not essential but beneficial to have) :Clearance: Must be able to obtain a Public Trust clearanceAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.#J-18808-Ljbffr

Senior Full Stack Java Developer

Cdit Llc Ashburn, VA

Ashburn, United States | Posted on 10/30/2025Great opportunity for a Java Developer to join our Agile Scrum team, providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes.Responsibilities Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversightActing as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team successProviding improvements to the product(s) being supportedActively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releasesSupporting release planning with conceptual design and development / refinement of software engineering guidelinesAnalyzing complex project-related problems and creating innovative solutions involving, scheduling, technology, methodology, tools and solution componentsEnsuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reportsProviding mentoring to junior members of the teamHYBRID options: on-site in Ashburn, VA 2-3 days per week.Requirements Required:Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria include but are not limited to:3 year check for felony convictions1 year check for illegal drug use1 year check for misconduct such as theft or fraudCollege degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline. Equivalent professional experience will be considered in lieu of degreeProfessional Experience: at least seven (7) years related technical experience, with software design, development and implementation in a Windows EnvironmentProficiency in Java 8 or higher, including an in-depth understanding of OOP principles, data structures, and algorithms.Extensive experience with Spring Boot, Spring MVC, Spring Security, and other modules, including dependency injection and aspect-oriented programming.Strong knowledge of designing and implementing RESTful APIs, including standards, versioning, and documentation.Familiarity with testing frameworks such as JUnit, TestNG, and Mockito.In-depth knowledge of the Angular frameworkKnowledge of creating Angular components, services, good understanding of state management and UI performanceObject oriented design and development (OODD) expertise, Service Oriented Architecture (SOA)Communicating OODD and SOA principles and best practicesWorking on unusually complicated problems and providing solutions that are highly creative and ingenious, exhibiting ingenuity, creativity, and resourcefulnessActing independently to expose and resolve problemsExperience with source code control systems and concurrent development workflows (Git preferred)Experience using SQL or PL/SQL to access Oracle, MySQL, or SQL Server databasesExperience with data base designAbility to apply estimation techniques to software development effortsWorking knowledge of and ability to assist others in the use of software engineering tools to support process improvementUnderstanding of all elements of the software development life cycle, including planning, development, requirements management, CM, quality assurance, and release managementTechnical Certifications, such as OCAJP; OCPJP; OCE, OCM; CSM.DOD 8570 certificationAbility to apply advanced principles, theories, and concepts, and contribute to the development of innovative principles and ideasAdditionally, familiarity with any of the following is highly desirable: HTML, React, Spring, VMware, ETL tools, ESB, message queuing, application security, automated testing, UML, VersionOne, Jira, or Sparx Enterprise Architect, PostGres, Aurora#J-18808-Ljbffr

SME Full Stack Developer - Java/Python , Clearance Required

SourceFly Ashburn, VA

SME Full Stack Developer - Java/Python , Clearance Required At SourceFly, we pair mission-driven innovation with a people-first culture.Headquartered in Columbia, MD, SourceFly provides cloud engineering, data and application services, cybersecurity, automation, workforce development, and strategic communications support to agencies and enterprises nationwide. Our team focuses on trust, collaboration, and career growth by ensuring every team member is aligned with work that fits their strengths and advances their professional goals. When you join SourceFly, you become part of a supportive community dedicated to delivering exceptional results and building the next generation of mission-ready talent.Job Description SourceFly seeks a motivated, career- and customer-oriented developer for the role of SME Full Stack Developer - Python to join our team in Ashburn, VA. This is currently a hybrid position with 1-2 days onsite per week.Each day U.S. Customs and Border Protection (CBP) oversees the flow of people, capital, and products that enter and depart the United States via air, land, sea, and cyberspace. The volume and complexity of border crossings require solutions to aid officers in detecting threats while promoting efficient trade and travel. The strongest applicant will have a proven track record of delivering production-ready enterprise applications used in the field and by mission-support entities. In this role, you will design, develop, test, deploy, and maintain complex applications and services.You will leverage your expertise across the full technology stack, with a strong focus on robust backend development using Java, while also contributing to frontend implementation. You will apply modern software development practices, including comprehensive unit testing, version control, and CI/CD pipelines to ensure high-quality, automated software delivery. As an SME, you will participate in architectural decisions, mentoring junior developers, and driving best practices within the team. Some formal training exists to support building knowledge of missions and data-driven solutions, but much of the knowledge is gained through on-the-job training and individual initiative.Technical knowledge must be augmented with rapid acquisition of mission knowledge and demonstrated commitment to positive mission outcomes; therefore, we seek self-starters capable of independent exploration, knowledge acquisition, informal support network development, and an appreciation for safeguarding the Nation’s borders.Responsibilities include but are not limited to:Lead and perform development and maintenance of end-user focused, object-oriented, data-driven analytic applications to support CBP threat analysis and targeting in an agile environment.Contribute to all phases of the software engineering lifecycle (SELC), including requirements gathering, architecture design, coding, testing, deployment, and maintenance.Develop and consume RESTful APIs and ensure seamless integration between front-end and back-end systems.Develop new code, modify existing application code, conduct unit and system testing, and document developed and delivered application use cases, data flows, and functional operations.Develop, manage, and optimize CI/CD pipelines (e.g. using Jenkins, GitLab CI, Harness) for automated builds, testing, and deployments.Demonstrate practical understanding to integrate rapid deployment of AI/ML services into the application delivery framework for targeting.Work Location: 1-2 days - Hybrid remote in Ashburn, VA 20147Requirements Minimum Qualifications:HS Diploma/GED and 20+ years or AS/AA and 18+ years or BS/BA and 12+ years or MS/MA/MBA and 9+ years or PhD/Doctorate and 7+ yearsProven expertise in Java development, including core Java concepts, object-oriented design principles/patterns and modern frameworks (e.g. Spring Boot, Spring Framework)Hands-on experience developing Microservices architecture patterns including building and deploying containerized applications (Docker, Kubernetes).Experience with messaging queues such as gRPC, RabbitMQ, KafkaHands-on experience setting up, configuring, and maintaining CI/CD pipelines for automated application delivery using Harness or JenkinsExperience with RESTful API design and developmentSolid communication and interpersonal skills, with the ability to collaborate effectively within a team.PythonPreferred Qualifications:Experience with cloud platforms such as AWS and related services (e.g. EC2, S3, Lambda, RDS, EKS)Experience working with relational databases (e.g. Oracle, PostgreSQL) and/or NoSQL databases (e.g. MongoDB)Experience with distributed data/computing tools including Hadoop, Spark, Impala, MySQL, Elasticsearch, Solr, etc.Experience working in Agile/Scrum development methodologySolid understanding of the software development lifecycleClearance Requirements: Must be a U.S. citizen with the ability to obtain DHS CBP suitability.Physical Requirements: The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, which may involve delivering presentations.Experience Delivering production-ready decision support tools: 8 years (Required)Machine learning models: 8 years (Required)Statistical software (R, SQL): 8 years (Required)#J-18808-Ljbffr

Dynamic Environment

10829: Application Developer

Meritore Ashburn, VA

Overview 10829: Application Developer. Meritore Technologies LLC, an Ashburn, VA based IT Consulting and Software Development Firm has multiple openings for 10829: Application Developer.Responsibilities Design, develop, and operate high-scale applications focusing on operational excellence, security and scalability.Involve in the entire software development life cycle (SDLC) activities of the project including, requirement gathering from the business owners of the product.Performing analysis on the requirements, development, testing and support operations.Compile and assess user feedback to improve existing software products.Create technical specifications and document application functionality as reference for future maintenance.Develop User Interfaces with clear and attractive designs with intuitive navigations.Develop Mobile Applications for iOS, Android using programming languages such as Java, Swift, Kotlin, etc.Test and debug applications to ensure they function correctly and meet quality standards.Participate in a tight-knit engineering team employing agile software development practices.Requirements Master’s degree in Computer Science, IT, Engg or related with at least 6 months of experience. Salary ranges between $114026.00 to $116000.00/year. Send resume to: [email protected] including the JOB ID. Travel and relocation to various unanticipated client locations throughout the United States may be required. Equal Opportunity Employer.#J-18808-Ljbffr

Mobile Application Developer

Zachary Piper Solutions Ashburn, VA

Zachary Piper Solutions is seeking a Mobile Application Developer to join a premier federal contracting company based out of Ashburn, VA. The Mobile Application Developer is responsible for developing cross-platform mobile apps using Flutter and Dart.ResponsibilitiesDevelop cross-platform mobile apps using Flutter and Dart, ensuring compatibility with Android and iOSBuild and integrate RESTful APIs for front-end and back-end functionality, leveraging Java and Node.jsWork with SQL and NoSQL databases while applying strong testing practices and Agile methodologiesCollaborate on DevOps and issue tracking (e.g., Jira), applying knowledge of design patterns and modern frameworks like Angular/ReactQualifications6+ years of mobile development experience or 4+ years with relevant educationExperience in Android mobile developmentPrioficiency with FlutterAbility to obrain a public trust clearanceCompensationPay Rate: $110,000 - $120,000 *depending on experience and education*Benefits: Full benefits: Cigna Healthcare, Dental, Vision, 401k, PTO planApplication WindowThis job opens for applications on 12/11/2025. Applications for this job will be accepted for at least 30 days from the posting date.#J-18808-Ljbffr

10869: Application Developer

Meritore Ashburn, VA

Meritore Technologies LLC, an Ashburn, VA based IT Consulting and Software Development Firm has multiple openings for 10869: Application Developer.Job duties include:Design, develop, and operate high-scale applications focusing on operational excellence, security and scalability.Involve in the entire software development life cycle (SDLC) activities of the project including, requirement gathering from the business owners of the product.Performing analysis on the requirements, providing design solutions, development, testing and support operations.Compile and assess user feedback to recommend and improve existing software products.Create technical specifications and document application functionality as reference for future maintenance and upgrades.Develop User Interfaces with clear and attractive designs with intuitive navigations.Develop Mobile Applications for iOS, Android using programming languages such as Java, Swift, Kotlin, etc.Research new mobile products, applications and protocols.Test and debug applications to ensure they function correctly and meet quality standards.Participate in a tight-knit engineering team employing agile software development practices.Requirements: Bachelor’s degree in Comp Sci, Engg, IT, or related with at least 60 months of experience. Salary ranges between $165173.00 to $167000.00/year. Send resume to: [email protected] including the JOB ID. Travel and relocation to various unanticipated client locations throughout the United States may be required. Equal Opportunity Employer.#J-18808-Ljbffr

React Software Developer

Via Logic LLC Ashburn, VA

The National Security Sector within Leidos is seeking a Full Stack Developer with a heavy concentration using React, with strong systems, software, cloud, and Agile experience. The qualified candidate will support a complex program providing Agile development and operations and maintenance for critical systems on a mission‑critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States.In this hands‑on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real‑time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines, and other resource constraints. You will participate in and/or direct major deliverable of projects through all aspects of the software development life cycle including scope and work estimation, architecture and design, coding, and unit testing.This position REQUIRES the candidate to be in Ashburn, VA, twice a weekBasic QualificationsBS/BA degree and 8 years of related experience or Master’s with 10 years of related experience; OR 4 years of related experience in lieu of degreeThorough understanding of React and its core principlesSelf-starter with experience with Enterprise level applications and can guide large teamExperience with Agile Scrum methodology and working in a SecDevOps environmentExperience working with containerized applications preferably utilizing Konvoy3+ years’ experience developing cloud ready applications and/or experience migrating applications to the cloud.2+ years of experience in one of the following: JAVA, JSF, JavaScript, Spring, Automated test tools such as Selenium.Proficient in JAVA, JavaScript, including DOM manipulation and the JavaScript object model3+ years experience with Microservices/RESTful APIsHands on experience with HTML/CSS/SCSSHands on experience of modern authorization mechanisms, such as JSON Web Token (JWT)Preferred QualificationsHands on working experience with Redux Store for session management.Hands on experience with more current specifications of EcmaScript (ES6)Experience with common front-end development tools such as Babel, Webpack, NPM, Node etc.A knack for benchmarking and optimization is plus.AWS Developer or Solutions Architect certificationsActive Full CBP BIExperience with Google CloudIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.Original PostingDecember 4, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range$104,650.00 - $189,175.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.About LeidosLeidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.Pay and BenefitsPay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.Securing Your DataBeware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.#J-18808-Ljbffr

User Interface Developer

Chakrabarti Management Consultancy, Inc Ashburn, VA

Location: This position REQUIRES onsite support in Ashburn, VA, 2 times a weekWhy CMCI?CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly competitive market. Our goal is to seamlessly integrate into each customer's organization to fully understand their business and technological needs. This approach allows us to quickly deliver high quality solutions while achieving the highest level of customer satisfaction on time and within budget. By choosing CMCI, you are choosing a company that can deliver on business outcomes and mission needs in the most cost-effective manner and without sacrificing capability. As a part of CMCI's culture of loyalty and commitment to its employees, CMCI is committed to providing a tremendous career path by promoting employees to their highest potential.Job Description :The National Security Sector is seeking a User Interface (UI) Developer with strong systems, software, and Agile experience to support a complex program to provide Agile development for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States. In this hands‑on position, you will work collaboratively to architect, design, build, deliver, and enhance the user interfaces for highly available, scalable, real‑time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines, and other resource constraints. You will participate in and/or direct major deliverable of projects through all aspects of the software development life cycle including scope and work estimation, architecture and design, coding, and unit testing. We're looking for a highly skilled and experienced Senior Angular UI Developer to lead the greenfield development of a critical user interface application. This role demands a visionary who can build a robust, scalable, and testable UI from the ground up, ensuring it adheres to the highest standards of best practices. You'll be instrumental in shaping the future of our front‑end architecture, working closely with backend Java teams, and ensuring seamless deployment within a Kubernetes environment.This position REQUIRES the candidate to be in Ashburn, VA, twice a weekRequirementsLead the design, development, and implementation of a new, complex Angular UI application from inception to deployment.Define and enforce UI development best practices, coding standards, and architectural guidelines.Collaborate closely with Java backend developers to understand API requirements and ensure seamless integration.Drive thorough unit, integration, and end‑to‑end testing strategies for the UI application.Architect and implement scalable and maintainable front‑end solutions, considering future growth and evolving business needs.Mentor junior developers and foster a culture of technical excellence within the UI team.Ensure the UI application is optimized for performance, responsiveness, and user experience.Work within an Agile Scrum methodology and contribute to a SecDevOps culture.Oversee the deployment of the UI application into Kubernetes (K8s) environments.Required Skills and ExperiencePreferred Skills (Not essential but beneficial to have)Hands on working experience with NgRx for complex state management.Hands on experience with more current specifications of EcmaScript (ES6)Experience with common front‑end development tools such as Babel, Webpack, NPM, Node etc.Experience with UI testing frameworks (e.g., Jasmine, Karma, Jest, Cypress).A strong portfolio or examples of previous Angular applications developed from scratch.Experience with UI/UX design principles and best practices.Demonstrated ability to benchmark and optimize UI application performance.Familiarity with CI/CD pipelines for front‑end applications.Familiarity with real‑time UI monitoring tools.Active Full CBP BIExperience with Google CloudClearance: Must be able to obtain a Public Trust clearanceAll qualified applicants will receive consideration for employment without regard to any characteristic protected by local, state, or federal laws, rules, or regulations#J-18808-Ljbffr

Senior Java Developer

Maxiom Corp Ashburn, VA

LocationAshburn, United States# Senior Java Developer at Maxiom TechnologyLocationAshburn, United StatesSalaryCompetitiveJob TypeContractDate PostedFebruary 21st, 2022Apply NowWe are looking for a Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release and help with the migration of a COBOL app to Java.Senior Java Developer responsibilities include gathering system and user requirements, building Java modules and testing features before release. If you have hands-on experience developing software with agile methodologies and are ready to lead our junior developers, we’d like to meet you.Ultimately, you will deploy and maintain functional, secure and high-quality applications.**Responsibilities*** Identify and analyze user requirements* Prioritize, assign and execute tasks throughout the software development lifecycle* Develop Java EE applications* Write well-designed, efficient code* Review, test and debug team members’ code* Design database architecture* Schedule product releases with internal teams* Document development phases* Ensure our applications are secure and up-to-date**Requirements*** Work experience as a Senior Java Developer or similar role* Experience designing, building and testing Java EE applications* In-depth knowledge of popular Java frameworks like JSF and Spring MVC* Experience with Object-Oriented Design (OOD)* Good delegation and time management skills* Problem-solving abilities* BSc in Computer Science, Engineering or relevant field#J-18808-Ljbffr

Java Developer Principal

Saic Ashburn, VA

Location: Ashburn, VADate Posted: Dec 8, 2025Schedule: Full-timeShift: Day JobTravel: Yes, 10% of the TimeWe are currently seeking a motivated, career and customer-oriented Java Developer to join our team in Ashburn, VA.Job ResponsibilitiesWork closely with team leads, developers and automation engineers to design, develop, and test applications that process inbound and outbound Cargo records and store the end state data in the database. Will support all aspects of the software development life cycle for model-driven, micro-service JEE architecture software applications.Candidate will use modern software engineering tools including Eclipse, Git, Java, Spring Boot, Docker, Kerberos and Atlassian Suites for design, development, and testing the software.Presents solutions at formal and informal design reviews; responsible for documenting the design/implementation according to the Government’s system lifecycle methodology.QualificationsRequired Skills and ExperienceBachelor’s degree in computer science or related engineering field with 9+ years of technical experience.Provisioning, operating, and maintaining systems running on AWS (or equivalent cloud providers).Docker and Kubernetes experience.Spring Boot/AWS cloud experience.Experience with JQuery, AngularJS, NodeJS, React.Development using Java and AWS tools.Java Micro Service Architecture frameworks such as Spring Boot.Agile Scrum.Understanding of infrastructure (firewalls, load balancers, storage, monitoring, security etc.) and have experience with orchestration to develop a cloud solution.Desired Skills and ExperienceExperience with object-oriented analysis and design techniques.Develop scalable Web Applications.Understanding of NoSQL, e.g., DocumentDB.Capable of both leading and taking technical direction.Software Configuration Management (SCM) tools (Git and Gradle/Maven).High level of self-motivation, desire to deliver stellar solutions and willingness to work in a hybrid team environment.Master’s in computer science or related field.Customer RequirementsClearance – Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation.Citizenship – Must be a US Citizen.Location – Hybrid with on-site (Ashburn, VA) visits 2 days per week and if a mission need. All candidates must be within the GWA/commutable area.OverviewSAIC accepts applications on an ongoing basis and there is no deadline. SAIC® is a premier Fortune 500® mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities.SAIC is an Equal Opportunity Employer.#J-18808-Ljbffr

Java/Kafka Developer

Cdit Llc Ashburn, VA

Ashburn, United States | Posted on 10/08/2025Serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes.Responsible for:Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversightActing as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team successProviding improvements to the product(s) being supportedActively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releasesSupporting release planning with conceptual design and development / refinement of software engineering guidelinesAnalyzing complex project-related problems and creating innovative solutions involving, scheduling, technology, methodology, tools and solution componentsEnsuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reportsProviding mentoring to junior members of the teamRequirementsMust be a U.S. Citizen with the ability to pass CBP background investigation, criteria include but are not limited to:1 year check for misconduct such as theft or fraud1 year check for illegal drug use3 year check for felony convictions5+ years of professional experience in Java backend development.3+ years of hands‑on experience building and deploying applications with Spring Boot.Deep, proven expertise with Apache Kafka, including both the Producer and Consumer APIs, Kafka Streams, and related concepts (e.g., topics, partitions, consumer groups, offsets).Strong experience implementing Kafka solutions using Spring framework. Proficiency with Kafka Schema Registry for schema management and evolution.Solid understanding of event‑driven architectures, distributed systems, and microservices design patterns.Experience with relational databases (e.g., PostgreSQL, SQL Server, Oracle) and ORM frameworks (e.g., Spring Data JPA, Hibernate).Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes).Experience with CI/CD pipelines and DevOps practices. Strong analytical, problem‑solving, and debugging skills.Excellent communication, interpersonal, and teamwork abilities.Professional Experience: at least seven (7) years related technical experience, with software design, development and implementationCollege degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline.Equivalent professional experience will be considered in lieu of degreeDirect experience with Confluent Kafka.Experience with other NoSQL databases (e.g., MongoDB, Cassandra) or in‑memory data stores (e.g., Redis).A strong understanding of data governance and data quality principles in an event‑driven context.#J-18808-Ljbffr

Best Match

Senior Elixir Developer

Maxiom Technology Ashburn, VA

You're a high-level contributor who keeps up with modern practices. You're curious enough to learn about new technologies and experienced enough not to put a fad in production. We want to work with you!Duties and Responsibilities Design, implement, and test end-to-end functionality of internal and client projectsContribute to the design and architecture of our software platformWork with project managers to create estimates and realistic schedulesWork with project managers, business analysts, and sales to clarify and refine project requirementsProvide technical guidance and mentoring to the development teamSkills & Requirements Fluency in object oriented design and general clean coding practicesFluency in data modeling and report buildingAn eye for usability and aesthetics of web applicationsThe ability to quickly learn and evaluate new technologiesThe ability to communicate complex technical issues in an easy to understand mannerStrong critical thinking, time management, and interpersonal skills#J-18808-Ljbffr

Java/Kafka Developer

Xenith Solutions Ashburn, VA

Overview Xenith Solutions is a small family focused business where we focus on taking care of our employees and customers equally. We are focused on serving Federal / Civilian, Defense and Intelligence organizations with superior service. If you want to be a part of a rapidly growing business with an exceptional culture, then you want to be a part of the Xenith Solutions family.Benefits 100% of Medical, Dental, and Vision benefits paid by employerFSA or HSA availableUnlimited Paid Time Off (PTO)401(k) matching (100% up to the first 4%) with NO vesting periodTuition / Certification / Training reimbursementAccident / Disability / Universal Life InsuranceAnd much more…Job Description Serve as an Agile Scrum team member providing software development and maintenance for the delivery of releasable software in short sprint cycles. Responsible for activities associated with delivery of software solutions associated with customer-defined systems and software projects by working in close collaboration with software developers/engineers, stakeholders, and end users within Agile processes. Responsibilities include:Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversightActing as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team successProviding improvements to the product(s) being supportedActively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releasesSupporting release planning with conceptual design and development / refinement of software engineering guidelinesAnalyzing complex project-related problems and creating innovative solutions involving scheduling, technology, methodology, tools and solution componentsEnsuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reportsProviding mentoring to junior members of the teamQualifications Required:Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria include but are not limited to:1 year check for misconduct such as theft or fraud1 year check for illegal drug use3 year check for felony convictions5+ years of professional experience in Java backend development.3+ years of hands-on experience building and deploying applications with Spring Boot.Deep, proven expertise with Apache Kafka, including both the Producer and Consumer APIs, Kafka Streams, and related concepts (e.g., topics, partitions, consumer groups, offsets).Strong experience implementing Kafka solutions using Spring framework. Proficiency with Kafka Schema Registry for schema management and evolution.Solid understanding of event-driven architectures, distributed systems, and microservices design patterns.Experience with relational databases (e.g., PostgreSQL, SQL Server, Oracle) and ORM frameworks (e.g., Spring Data JPA, Hibernate).Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes).Experience with CI/CD pipelines and DevOps practices. Strong analytical, problem-solving, and debugging skills.Excellent communication, interpersonal, and teamwork abilities.Professional Experience: at least seven (7) years related technical experience, with software design, development and implementationCollege degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline.Equivalent professional experience will be considered in lieu of degreeDesired:Direct experience with Confluent Kafka.Experience with other NoSQL databases (e.g., MongoDB, Cassandra) or in-memory data stores (e.g., Redis).A strong understanding of data governance and data quality principles in an event-driven context.DevOps experience/CI/CD pipeline.Xenith Solutions LLC is a Service-Disabled Veteran-Owned Small Business founded in 2019. We provide comprehensive, timely and relevant Solutions and Business Consulting support to our customers as a key partner. Our leadership brings over a century of combined experience in Defense and Civilian markets. Our employees possess experience in all aspects of solution development from requirements creation, development, test and evaluation, fielding, and sustainment. At the core of our offerings, we provide strategy and technology solutions, giving our customers valuable insights and thought leadership on the best application of information technology to drive business objectives.Xenith focuses on solving complex business challenges facing our customers. Our “Success Through Achievement” work ethic means our customer receive quality solutions through our commitment. We pride ourselves on tackling some of the most difficult operational requirements our customers have – ensuring an appropriate match between the mission requirements, financials, schedule, and security.EEOXenith Solutions provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws.EEO IS THE LAWIf you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Xenith Solutions.E-VerifyAs a Federal Contractor, Xenith Solutions is required to participate in the E-Verify Program to confirm eligibility to work in the United States.Affirmative Action PlanAs a federal government contractor and based on Executive Orders and applicable laws and regulations, Xenith Solutions develops and maintains annual written Affirmative Action Plans and endeavors to hire and advance qualified minorities, females, individuals with disabilities, and protected veterans.#J-18808-Ljbffr

C++ Software Developer

Chakrabarti Management Consultancy, Inc Ashburn, VA

Location: **This position REQUIRES onsite support in Ashburn, VA, 2 times a week**Why CMCI?CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly competitive market. Our goal is to seamlessly integrate into each customer's organization to fully understand their business and technological needs. This approach allows us to quickly deliver high quality solutions while achieving the highest level of customer satisfaction on time and within budget. By choosing CMCI, you are choosing a company that can deliver on business outcomes and mission needs in the most cost-effective manner and without sacrificing capability. As a part of CMCI's culture of loyalty and commitment to its employees, CMCI is committed to providing a tremendous career path by promoting employees to their highest potential.Job Description :CMCI looking for a qualified C++ Software Developer to support the Custom Border Patrol customer that handles all the travelers coming into the country via Airports, Seaports, Pedestrian, and Vehicle lanes. This position is focused on the devices attached to workstations and client applications associated with these areas including fingerprint readers and document scanners. We need a software engineer that can code in C++ and help troubleshoot Windows environmental issues arising with the devices. Ideally, this individual will work independently and with other members of the Device team in research and evaluating new devices, develop code and wrappers layers for the devices, assist in the testing of the new devices and support deployment of the software and the devices to the workstations to ensure that all systems are working properly. This position also requires an individual to support testing with all the client application teams as part of the testing phase of the new devices. In addition, this person must be available to support issues or concerns associated with the travelers if the need ever arrives.This includes participating in on-call rotation over evenings, holidays and weekends if it is needed.**This position REQUIRES the candidate to be in Ashburn, VA, twice a week**Requirements Required Skills and Experience :§ Over 10 years of experience coding in C++, Java or other Window’s type languages.§ Must be able to maintain and obtain a CBP Background Investigation prior to start§ Must be a US citizen§ Experience in Troubleshooting problems§ Good Customer interaction and communication§ Good communication skills including documentation and ticket resolution§ On rare occasions, be willing to support the contract in evening, weekend, and holidays is ever needed§ Willing to travel to the DC area once or twice a week (on-site visits to Ashburn and occasional visit to Dulles airport to support pilot projects)§ Can work with a team or independently§ Experience in Windows, Software Center, and looking into logs to determine cause of issues.Preferred Skills (Not essential but beneficial to have) :§ Knowledge of fingerprint readers, cameras and document scanners§ Knowledge of different types of travel documents§ Develop test cases for testers to use during the testing phaseClearance: Must be able to obtain a Public Trust clearanceAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.#J-18808-Ljbffr

Mobile App Developer

Via Logic LLC Ashburn, VA

DescriptionThe National Security Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures.In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints. You will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. The candidate should have expertise in Mobile App Development**This position REQUIRES the candidate to be in Ashburn, VA, 2 twice a week**Basic Qualifications:BS/BA degree and 8 years of prior relevant experience or Master’s with 6 years of prior relevant experience; or 4 years of additional experience in lieu of degreeAt least 5 years experience with Mobile Application Development, must have experience with both Android & iOSRequires experience in both Front-end Mobile and Back-end RESTFUL API development.Requires experience in development of JAVA, Node JS applications.Requires experience in both NoSQL and SQL database’s.Must have strong application testing discipline.Experience with Google’s Flutter engine and Google’s Dart language and similar Android/iOS framework.Excellent problem-solving skills.Creative thinkerProficiency and knowledge of the following: Postgres, Springboot, SQL, Kafka, MySQL, Struts, Hibernate, Java, JSF, Swing, JavaScript, Bootstrap, Angular/React is desired.Knowledge of software design patterns.Experience with an issue/problem tracking system (e.g., Jira)Proficiency with common Agile practices, service-oriented environments, and better development practicesExcellent written and verbal communication skillsExperience with DevOps frameworksU.S. CitizenMust be able to maintain and obtain a CBP Background Investigation prior to startPreferred Qualifications:Active CBP BIExperience with CBPAWS ExperienceKnowledge of CI/CD pipelineWorked in Agile environmentOther mobile frameworkAt Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.Original Posting:July 23, 2025 At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.Pay Range:Pay Range $104,650.00 - $189,175.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.#J-18808-Ljbffr

Mobile Developer Senior

Saic Ashburn, VA

Job ID: 2510711Location: ASHBURN, VA, United StatesDate Posted: Oct 28, 2025Category: SoftwareSubcategory: SW EngineerSchedule: Full-timeShift: Day JobTravel: Yes, 10 % of the TimeMinimum Clearance Required: NoneClearance Level Must Be Able to Obtain: Public TrustPotential for Remote Work: On-SiteBenefits: Click hereOverviewSAIC accepts applications on an ongoing basis and there is no deadline. SAIC® is a premier Fortune 500® mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.Please apply through the internal career site here >ResponsibilitiesDesign and develop engaging, intuitive and reusable React Native components.Use modern software engineering tools including VS Code, Gitlab, and Atlassian Suites for ticketing and documentation, development, and testing software.Present solutions at formal and informal design reviews in conjunction with the Technical Lead, and document the design according to the Government’s system lifecycle methodology.Understand how to interface with Native code on Android and iOS from React Native.Code unit tests and end-to-end test using the framework of choice of the team.Participate in daily scrums and code reviews.Keep up to date with React Native technology updates and trends.QualificationsRequired Skills and ExperienceBachelor’s degree in Computer Science or related field with 9+ years of technical experience.Typescript.Constructing and debugging CI/CD build Pipelines for mobile targets.Understanding how REST APIs work.Understanding of Micro Service Architecture.Unit Test and End-to-End test development.Desired Skills and ExperienceExperience using RTK Query is a plus.Understanding how containerization and orchestration Tools work.Experience working on an agile team such as Scrum.Master’s degree in computer science or related field is a plus.Customer RequirementsClearance – Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation.Citizenship – Must be a US Citizen.Location – On-site in Ashburn, VA 5 days per week for the first year of employment.#J-18808-Ljbffr