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  • Full-Stack Developer - UI, API & Data Visualization

    Booz Allen Hamilton is seeking a Mid Full Stack Developer to build full‑stack web applications, dashboards, and visualizations. You will develop both...  ...emphasizes modern web technologies, data visualization, and API development, with a requirement for an active security... 
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    Booz Allen Hamilton

    Arlington, VA
    4 days ago

  • Web Software Developer II

     ...Job Title: Web Software Developer II Location:  Remote/Hybrid -  DHS CISA, 4200 Wilson Boulevard, Arlington VA 22203 and 4601 N. Fairfax Drive...  ....Integrate web interfaces with application services, APIs, dashboards, geospatial tools, and approved enterprise visualization... 
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    ATTAINX INC

    Arlington, VA
    16 hours ago

  • Senior API/Java/Python Developer

     ...active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.Vantor has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for... 
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    Maxar Technologies

    Arlington, VA
    1 day ago

  • DSCA Full Stack Front-End Developer Mid (Software Development Analyst) - 30392

    $110k - $135k

     ...Technologies! We are seeking a Full Stack Front-End Developer Mid-level (Software Development Analyst)...  ..., develop, and modernize enterprise web applications with a strong emphasis on...  ...SharePoint Framework (SPFx), SharePoint APIs, Microsoft Graph API, Power Apps, and... 
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    HII Mission Technologies Division

    Arlington, VA
    1 day ago

  • Frontend Developer, Palantir

    $102.5k - $170.9k

     ...offering provides a full spectrum of solutions for designing, developing, and operating cutting-edge Data and AI platforms, products, insights...  ...Workshop, the Ontology, Object Views, Actions, and Foundry APIs or SDKs.Maven Smart System and other Palantir Foundry data-... 
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    Local area

    Deloitte

    Rosslyn, VA
    3 days ago

  • Mobile App Developer with API

     ...Key Responsibilities: Design, develop, and maintain mobile applications for Android and or iOS Build and integrate RESTful APIs and third-party services Ensure application performance, quality, and responsiveness Collaborate with backend developers, designers... 
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    Full time

    Intelliswift - An LTTS Company

    Washington DC
    1 day ago

  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...for someone who is more than a front-end developer. You are passionate about how technology...  ...professional experience developing modern web-based user interfaces and user experiences...  ...developing or consuming RESTful APIs and integrating UI applications with backend... 
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    Leidos

    Alexandria, VA
    8 hours ago

  • Senior Backend Engineer — AI-Driven Cloud & API Leader

     ...Technology Solutions Inc. is seeking a Senior Backend Engineer in Reston, VA to design, build, and scale secure backend services and APIs. You will lead architecture decisions, mentor engineers, and partner with customers to translate requirements into robust... 
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    Jobleads-US

    Reston, VA
    3 days ago

  • Full-Stack Web Developer — Build Enterprise Apps & APIs

    CGS Federal (Contact Government Services) is seeking a Full Stack Web Developer to join our IT team in Arlington, VA. The role focuses on enterprise-wide data inventory solutions, collaborating across teams to deliver integrated software within an Agile framework. You will... 
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    CGS Federal (Contact Government Services)

    Arlington, VA
    2 days ago

  • Front End Developer (only with current Top Secret clearance)

     ...Front End Developer (only with current Top Secret clearance) ~ Arlington, VA We are...  .../Must Have: Experience with Front-End web development, including JavaScript, TypeScript...  ...with unit testing Knowledge of REST APIs Experience developing, managing, and... 
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    Select Search Associates

    Arlington, VA
    2 days ago

  • Front End Developer

    $120.21k - $180.31k

     ...Technologies is actively seeking a Front End Developer to join our Software Engineering team....  ...individuals, passionate about modern web component-based frameworks and large-scale...  ...-end interfaces that interface with REST APIs and web sockets. Active Top Secret Clearance... 
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    Two Six Technologies

    Arlington, VA
    2 days ago

  • Full Stack Developer - Software Engineer III - Top Secret clearance

    $113k - $188.4k

     ...latest materializations to the application, leveraging AI to create API endpoints for data ingest with partner agencies, modernize front...  ...Top Secret clearance3+ years of experience as a full-stack developer with Angular, Node.js, and Java3+ JavaScript/Typescript, Jenkins... 
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    Deloitte

    Rosslyn, VA
    2 days ago

  • Full-Stack Cloud Developer

    $98k - $163k

     ...SupportTravel Required:Up to 10%Clearance Required:Ability to Obtain Public TrustWhat You Will Do:Design, develop, and test full‑stack components, including enterprise web service APIs, backend services, and user interfaces that consume REST APIsThis role involves building... 
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    Guidehouse

    Arlington, VA
    3 days ago

  • Full Stack Cloud Developer

    $69.4k - $158k

     ...DeveloperThe Opportunity: As a full-stack developer, you can resolve a problem with a complete...  ...wait. You Have:4+ years of experience in web full-stack development using modern MVC frameworks...  ...Unity EngineKnowledge of building SDKs or API frameworksAbility to apply emerging... 
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    Booz Allen Hamilton

    Alexandria, VA
    1 day ago

  • Senior Full-Stack Software Engineer / Hybrid / Active Top Secret

    $112k - $179k

     ...quality frontend applications using Angular, TypeScript, and modern web frameworks as the primary focus of your work.Lead the development...  ...surfaced through the frontend.Collaborate with backend teams on API contracts and integration points, with occasional hands-on work... 
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    Peraton Corporation

    Arlington, VA
    3 days ago

  • Software Engineer III - Full-stack Developer with Anthropic Experience

    $122k - $240.5k

     ...operationalize RESTful and asynchronous APIs on cloud-native infrastructure (AWS, Azure...  ...deployment.4+ years of experience designing, developing and delivering AI/ML solutionsAt least 1...  ...major cloud platform, including Amazon Web Services, Microsoft Azure, or Google... 
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    Visa sponsorship
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    Deloitte

    Rosslyn, VA
    8 hours ago

  • Full Stack Software Engineer (TS/SCI)

     ...engineers, architects, data scientists, analysts, and mission users to develop innovative technology solutions that support critical mission...  ..., performance, explainability, and reliability. Develop APIs supporting AI-enabled applications. Support the integration of... 
    Full time

    Marathon TS

    Arlington, VA
    1 day ago

  • SharePoint Developer

    DescriptionSAIC is seeking a SharePoint Developer with an active Secret clearance who has superior...  ..., and develop applications using Rest API Query calls, JavaScript, JQuery, JSON, and...  ...SharePoint.Experience creating and managing Web Applications, creating and migrating Site... 

    Science Applications International Corporation

    Alexandria, VA
    4 days ago

  • Sr. Full-Stack Engineer

     ...Mark Center.As the Senior Full-Stack Engineer, you will design, develop, integrate, and field secure software applications that support...  ...simulation services, and command-and-control interfaces—through secure APIs and event-driven patterns.Build interfaces that clearly... 
    Full time
    Local area
    Immediate start

    Culmen International

    Alexandria, VA
    1 day ago

  • Full Stack Developer (Hybrid)

    $170k - $210k

     ...Polygraph.Vantor has an exciting opportunity for a Full Stack Developer within our Intel sector advancing the national security mission...  ...design, development, and maintenance of software applications and APIs using Java and Python programming languages. This role often... 
    Full time

    Maxar Technologies

    Arlington, VA
    2 days ago

  • Front End Software Engineer

     ...team working at the intersection of modern web engineering, operational logistics...  ...practices that support long-term product growth Develop intuitive user experiences that enable operators...  ...operational insights Integrate with APIs, WebSocket-based services, and distributed... 
    Full time
    Work at office

    The Arena ®

    Arlington, VA
    3 days ago

  • Full Stack Developer

    $107.9k - $195.05k

    Leidos is seeking an experienced Full Stack Developer to support the Compartmented Enterprise Services Office (CESO) program delivering...  ...reliable applications across the full technology stack (front-end, APIs/services, and data). Full stack developers can switch between... 
    Full time
    Work at office

    Leidos

    Arlington, VA
    1 day ago

  • Full Stack Developer, Mid

    $69.4k - $158k

    Full Stack Developer, MidThe Opportunity: Do you like to build things? Are you looking to advance...  ...both dynamic user interfaces and robust APIs? Do you like looking at and creating...  ...are looking for someone with a passion for web development, design, and data... 
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    Booz Allen Hamilton

    Arlington, VA
    1 day ago

  • Full Stack Developer

    $100k - $120k

     ...RequirementsProfessional certification(s) in a related field of web development and/or front-end/back-enddisciplinesDegree in Computer...  ...and UI/UX designExperience in designing and integrating different API architectures (e.g. REST, gRPC)Server management and deployment... 
    Permanent employment
    Work at office

    ECS Federal

    Arlington, VA
    2 days ago

  • Senior Backend Engineer

    $160k - $225k

     ...through production. You will define service boundaries, design APIs and data models, choose communication and persistence patterns,...  ...-driven systems using Apache Kafka and similar technologies. Develop real-time communication infrastructure using WebRTC, LiveKit,... 
    Flexible hours

    BluJuniper

    Arlington, VA
    3 days ago

  • Senior Full Stack Engineer

    $106.9k - $147k

     ...work today and builds better experiences for the future. The CoE develops shared tools, methods, and guidance that support teams from...  ...development experience together with expertise in cloud platforms, APIs, integrations, Kubernetes, DevOps practices, and enterprise application... 
    Full time
    Temporary work
    Apprenticeship
    Live in
    Immediate start

    Humana

    Arlington, VA
    45 minutes agonew

  • Senior Back-End / Platform Engineer

    $135k - $165k

     ...Platform (DDMP) secure domain services, data-access layer, integration APIs, workflow automation, and AI-enabled back-end capabilities.Key...  ...systems, SharePoint, telemetry streams, and analytics platforms.Develop data-ingestion, transformation, validation, and reconciliation... 
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    AMERICAN SYSTEMS

    Alexandria, VA
    1 day ago

  • Senior Full Stack .NET Developer -Angular & AWS (Hybrid)

     ...Job Title Senior Full Stack .NET Developer Angular & AWS (Hybrid) Location Arlington, VA Duration 3...  ...knowledge on Serverless Experience in developing RESTful APIs with .NET C# Experience in developing Microservices Experience... 
    Work experience placement
    Local area
    Remote work

    GSK Solutions

    Arlington, VA
    2 days ago

  • DevOps Backend Engineer

    $77.6k - $176k

     ...resources to minimize repetitive tasks and free up the team’s developers to do what they do best—innovate. You’ll work together with fellow...  ...of experiencedeveloping and supporting backend applications, APIs, microservices, integrations, and automation services using Python... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    3 days ago

  • Mid-Level Backend Software Engineer

    $87.1k - $157.45k

     ...application used across the organization for analytics and reporting. You’ll help build and maintain core backend services, develop RESTful APIs, support data‑driven functionality, and contribute to ongoing system enhancements within a Linux‑based environment. Your work... 
    Full time

    Leidos

    Alexandria, VA
    4 days ago