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  • TS/SCI Full-Stack Engineer | Cloud & APIs

     ...Systems is seeking a Mid-Level Full Stack Software Engineer to develop, test, and maintain software from requirements through production...  ...citizenship with TS/SCI clearance. You will develop backend services, APIs, data integrations, and frontend capabilities within established... 
    Suggested

    Castalia Systems

    Washington DC
    1 day ago

  • Senior API/Backend Engineer - TS/SCI Cleared

     ...Vantor is seeking an API/Java/Python Developer to join our Services team, working with U.S. Government customers to sustain and modernize a Program of Record for FMI data. The role focuses on building high-performance API-driven services and data pipelines in a secure... 
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    Maxar Technologies

    Washington DC
    4 hours agonew

  • Front-End Developer, Level 4

    $170k

     ...Front-End Developer (Level 4) Location: Onsite – Springfield, VA Clearance Requirement:...  ...technical security data Create responsive web applications for field use by TSSC...  ...developers to integrate front-end components with APIs Optimize application performance and... 
    Suggested
    Full time

    Pop-Up Talent

    Springfield, VA
    2 days ago

  • Full-Stack Engineer Backend APIs, Cloud & Web Apps

     ...Washington, DC is seeking a Mid-Level Full Stack Software Engineer to develop, test, and maintain software from requirements through...  ...software solutions. The role emphasizes building backend services, APIs, and web interfaces using Python/Java, React or Angular, and relational... 
    Suggested

    Castalia Systems

    Washington DC
    1 day ago

  • Full-Stack Engineer: AWS, Microservices & Secure APIs

     ...seeking a Full Stack Software Engineer to enhance financial operations through web technologies. Candidates should possess extensive experience with JavaScript frameworks, secure AWS APIs, and Agile methodologies. This role supports a complex enterprise system, and an... 
    Suggested

    The Swift Group, LLC

    Herndon, VA
    4 hours agonew

  • 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... 
    Suggested
    Full time

    Intelliswift - An LTTS Company

    Washington DC
    4 days ago

  • Full-Stack Engineer - Cloud, Microservices & APIs

     ...and advisory professionals to transform client technology platforms and enable end-to-end automation using microservices, cloud, and API-driven architectures. You’ll collaborate across teams, travel up to 50% as needed, and contribute to a flexible hybrid model with a focus... 
    Suggested
    Flexible hours

    EY

    Arlington, VA
    1 day ago

  • Front-End Developer, Level 4

    $170k

     ...Front-End Developer (Level 4) Location: Onsite – Springfield, VA Clearance Requirement...  ...technical security data Create responsive web applications for field use by TSSC...  ...developers to integrate front-end components with APIs Optimize application performance and... 
    Suggested

    Pop-Up Talent

    Springfield, VA
    12 days ago

  • Full Stack Software Engineer (TS/SCI)

     ...quickly in support of our mission customersWhat You’ll Be Doing: Developing web applications for real-time query and analysis of our petabyte-...  ....Experience with Spark.Experience with Hadoop (HDFS, YARN)API Rest Framework development/maintenance.Experience with provision... 
    Suggested
    Full time
    Remote work

    Maxar Technologies

    Springfield, VA
    19 hours ago

  • Front End Developer

     ...Description Job Description Duties May Include: Design, develop, and maintain back-end services and APIs Collaborate with front-end developers and...  ...or STEM-related field ~2+ years of experience with web design and front-end development ~ Proven experience... 
    Suggested
    Contract work
    Temporary work

    Trinity Global Consulting

    Springfield, VA
    8 days ago

  • Senior API Management Engineer (TS) - Cloud & Kong Expert

     ...NorthHill Technology Resources LLC is seeking a Senior API Management Engineer in Springfield, VA. You will join the CORE team to deliver enterprise API gateway deployments, ensuring reliability, performance, and scalable cloud operations for federal clients. The role... 
    Suggested

    NorthHill Technology Resources

    Springfield, VA
    3 days ago

  • Front End Web Developer

    $89.65k - $152.4k

     ...components, connect interfaces to .NET services and REST APIs, implement client-side validation and workflow behavior,...  ..., testers, product teams, and users.Key Responsibilities:Develop and maintain responsive web interfaces using HTML, CSS, JavaScript or TypeScript, and... 
    Suggested
    Full time
    Contract work
    Work experience placement
    Work at office
    Remote work

    ICF

    Reston, VA
    1 day ago

  • Mobile/Web Developer (.Net)

    $97.95k - $139.92k

     ...Position Title: Mobile/Web Developer (.Net) City: Tysons (McLean) State: VA Country: US Type...  ...cross-browser compatibility/development, and RESTful Services and APIs are all a definite plus. Experience using automation and... 
    Suggested
    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours

    Air Line Pilots Association

    Tysons, VA
    3 days ago

  • Full Stack Developer

    $90.3k - $189.6k

     ...seeking a highly skilled Senior Full Stack Developer to join our development team. In this role...  ...developing, and maintaining sophisticated web applications that support corporate...  ...design principles.Experience with RESTful API design and integration.Strong understanding... 
    Suggested
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Springfield, VA
    4 days ago

  • Full Stack Web Developer

    $75.2k - $158.1k

    Job Title: Full Stack Web DeveloperJob Category: Information TechnologyTime Type: Full...  ...None* * *CACI is seeking a Full Stack Web Developer to create custom enterprise web...  ...custom front-end web applications, RESTful APIs, and back-end data logic and updatesDevelop... 
    Suggested
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    CACI International

    Springfield, VA
    4 days ago

  • Front-end Data Application Engineer with Security Clearance

    $140k - $160k

     ...What You'll Do: Build Mission-Focused Data Applications ~ Develop responsive web applications using React, Next.js, or similar frameworks ~...  ...integrations in production environments ~ Integrate with APIs, data services, and query layers supporting enterprise data... 

    D2 Consulting

    Springfield, VA
    4 hours agonew

  • SharePoint & Power Platform Developer IV

    $140.56k

     ...with SharePoint to increase efficiency and develop new processes. The incumbent exercises...  ...such as JavaScript, jQuery, Bootstrap, REST API, .NET, Visual Studio, SharePoint Designer...  ...365 Certified is preferred;Experience in web application integration with external data... 
    Contract work
    Work experience placement
    Currently hiring
    Local area
    Flexible hours

    OBXtek

    Springfield, VA
    3 days ago

  • .NET Web Developer

    $55 - $62.5 per hour

     ...communities?AEEC, a Verdantas Company, is seeking a strong .NET Web Developer to support our Federal client in Washington, DC. This position...  ..., and front-end frameworksBuild and maintain RESTful APIs and backend services to support web applications and system integrationsCollaborate... 
    Part time
    Flexible hours

    Verdantas-1

    Washington DC
    2 days 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... 
    Permanent employment
    Full time

    Maxar Technologies

    Arlington, VA
    19 hours ago

  • Database Solutions Engineer

    $86.8k - $198k

     ...trusted, accessible, and ready to support the mission. As a Database Developer, you’ll help design and deliver secure, high-performing Oracle Database solutions that support applications, analytics, APIs, and AI-enabled workflows.In this role, you’ll work across logical... 
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    Springfield, 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-... 
    Local area

    Deloitte

    Rosslyn, VA
    2 days ago

  • #23717 Senior Backend Test Engineer-w2 only

     ...testing, including processing and transforming large datasets for migration and organization. \n Developing and automating test cases using Java and Jenkins. \n Performing API testing and contributing to integration test strategies. \n Mapping requirements to test... 
    Contract work
    Temporary work
    Work experience placement
    Remote work

    nTech Workforce

    Reston, VA
    2 days ago

  • Front End Developer

    Key ResponsibilitiesDesign, develop, and maintain modern, responsive, and accessible user interfaces for web applications using Vue, React, TypeScript, and related technologiesTranslate...  ...integrate front-end applications with RESTful APIs and GraphQL servicesImplement and maintain... 
    Full time
    Work at office
    Monday to Friday

    Vanda Pharmaceuticals

    Washington DC
    19 hours 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... 
    Full time
    Work at office
    Local area
    Work from home
    Worldwide
    Home office

    HII Mission Technologies Division

    Arlington, VA
    19 hours ago

  • Senior Full-Stack Engineer, Workflows & APIs (Hybrid)

    ZoomInfo Technologies LLC is seeking a Senior Full Stack Software Engineer on the Workflows team to rebuild a high-scale platform, focusing on backend services while contributing across the stack. You will partner with product, design, and platform teams with ownership...

    ZoomInfo Technologies LLC

    Bethesda, MD
    4 hours agonew

  • Full Stack Developer

     ...Full Stack DeveloperRazor is seeking an experienced Full Stack Developer to support a state-of-the-art Machine Learning/Artificial Intelligence...  ...resilient, high-traffic microservices.Develop and integrate APIs supporting distributed applications and data workflows.Develop... 

    Razor Talent

    Springfield, VA
    3 days ago

  • Senior Full-Stack Engineer (TS/SCI) Cloud & APIs

     ...Nalley Consulting is seeking a Full Stack Software Engineer to develop, integrate, test, and maintain software capabilities from requirements through production delivery at the DIA HQ in Washington, DC. You will work across the technology stack with engineers, architects... 

    NALLEY CONSULTING, LLC

    Washington DC
    3 days ago

  • Software Engineer III -Frontend Software Engineer

    $112k - $176k

     ...scoped frontend architecture and executionContribute to backend REST APIs and services as needed to support new features, owning the...  ...of relevant software engineering experience building production web applications, with React, Angular, or Vue as your primary disciplineStrong... 
    Contract work

    ZoomInfo

    Bethesda, MD
    3 days ago

  • Web Application Developer SME

     ...have a Bachelor's Degree and 15+ years of related experience in web development. Other requirements include:Experience working with...  ...and mentor others on the team.What you'll do:The Web Application Developer SME will be responsible for designing, testing, and developing robust... 
    Temporary work
    Work at office

    Fusion Technology

    Springfield, VA
    19 hours ago

  • Web Application Developer

    $75.2k - $158.1k

    Job Title: Web Application DeveloperJob Category: Information TechnologyTime Type: Full...  ...is currently looking for Web Application Developer, with a focus on Salesforce to join our CACI...  ...cross-system integrations and database REST API, and related application... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Reston, VA
    1 day ago