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  • Backend API Developer, Junior

    $85k - $110k

     ...Backend API Developer, Junior Silver Spring, MD / Remote Public Trust Eligible Required Blu Omega is seeking a Backend API Developer...  ...of Python and experience with Fast API ~ Experience with web services (RESTful) ~ Experience with source control management... 
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    Blu Omega

    Silver Spring, MD
    5 days ago

  • Backend/API Engineer

     ...Everforth ECS is seeking a Backend/API Engineer to work in the National Capital Region covering the Pentagon, Falls Church, and...  ...to production model artifacts within Unclassified networks. • Develops scalable serving frameworks using Kubernetes services, API gateways... 
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    ECS Limited

    Falls Church, VA
    5 days ago

  • Backend / API Engineer

    $68.08k - $141.83k

     ...organization, apply now. We are currently seeking a Backend / API Engineer to join our team in Bethesda (REMOTE), Maryland (US-MD...  ...workflows. The position requires deep technical expertise in developing RESTful APIs, microservices, and data pipelines that interface... 
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    NTT America

    Bethesda, MD
    3 days ago

  • Full Stack Developer (API & AI/ML)

     ...Job Description Job Description We’re seeking a Full Stack Developer with AI/ML and API experience to build and enhance modern applications, APIs, chatbot features, and user‐focused workflows. You’ll support integration efforts, testing, and UI/UX improvements while... 
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    Azulo LLC

    Washington DC
    12 days ago

  • Full-stack Engineer - Model Zoo UI/API

     ...Full-stack Engineer - Model Zoo UI/API Everforth ECS is seeking a Full-stack Engineer - Model Zoo UI/API to work in the National...  ...at mission speed. Responsibilities include: Developing and advancing user interface and application programming interface... 
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    ECS

    Fairfax, VA
    2 days ago

  • Web Application / API Services Developer - Mid Level (FI2)

     ...Web Application / API Services Developer – Mid Level (FI2) Looking for an opportunity to revitalize an application that is used by everyone in our customer space? That's right, we're in the enviable position of starting from the beginning -- meaning we have the privilege... 
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    Trinity Enterprise Services, LLC

    Chantilly, Loudoun County, VA
    25 days ago

  • Front End Developer

     ...Duties May Include: Design, develop, and maintain back-end services and APIs Collaborate with front-end developers and stakeholders to deliver end-to-...  ...or STEM-related field ~2+ years of experience with web design and front-end development ~ Proven experience... 
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    Trinity Global Consulting LLC

    Springfield, VA
    1 day ago

  • Front-End Developer

     ...Job Description Job Description Salary: Front-End Developer Location:On-site at the National Geospatial-Intelligence Agency...  ...Integrate frontend components with backend services and RESTful APIs. Troubleshoot, debug, and optimize frontend code in a cloud-... 
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    Full time

    Aerstone

    Springfield, VA
    14 days ago

  • Mid-Level UI/UX Engineer

    $87.1k - $157.45k

     ...solutions, producing actionable intelligence, or developing cutting edge technology, we succeed...  ..., responsive user interfaces for web-based applications User Experience Optimization...  ...or similar) Familiarity with REST APIs and backend integration Exposure to CI... 
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    teKnoluxion

    Springfield, VA
    3 days ago

  • Java API Developer

     ...Mid-Level API Java Developer Herndon, VA We are seeking a Mid-level API Java Developer, to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We're... 
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    NT Concepts

    Herndon, VA
    1 day ago

  • Front End Web Developer (TS/SCI)

    $95k - $105k

     ...Front End Web Developer | TS/SCI Quantico, VA Overview This role supports analysts and mission partners within the Marine Corps...  ...the work involves integrating front-end applications with REST APIs and back-end services to deliver seamless and reliable user... 
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    Xcellent Technology

    Quantico, VA
    1 day ago

  • Backend Software Engineer (TS/SCI Cleared)

    $145k - $190k

     ...Backend Support Software Developer We are seeking a Backend Support Software Developer for...  ...complex backend issues involving REST APIs, databases, and applications. Develop,...  ...production, and dissemination using cloud, SOA, web services, and virtualization technologies... 
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    latitude

    Springfield, VA
    5 days ago

  • Full Stack Developer

     ...Full Stack Developer Location: Springfield, VA, US Job ID: ATR 17970 Job Description...  ...microservices architectures, developing modern web applications, and driving DevOps best...  .... Develop and support RESTful APIs and microservices architectures. Build... 
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    Arena Technical Resources

    Springfield, VA
    3 days ago

  • Backend Developer

     ...Duties May Include: Build backend services that power geospatial processing, automation, and user-facing capabilities Develop APIs, proxies, and integration services using Node.js and Python Create and maintain backend tooling that extends ArcGIS Enterprise in... 
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    Trinity Global Consulting LLC

    Springfield, VA
    1 day ago

  • SharePoint Farm Engineer/Administrator

     ...configuring, and maintaining SharePoint systems, developing custom solutions, integrating SharePoint...  ...and develop custom SharePoint solutions, web parts, dashboards, and apps while also...  ...services (Teams, Power BI, OneDrive) and APIs (REST, SOAP, JSON) Strong SQL Server... 
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    SAIC

    Springfield, VA
    5 days ago

  • Back-End Developer

     ...Back-End Developer Location: On-site at the National Geospatial-Intelligence Agency (NGA) Clearance Required: Active TS/SCI Employment...  ...backend services using NodeJS. Build and maintain RESTful APIs for seamless integration with frontend components and external... 
    Full time

    Aerstone

    Springfield, VA
    3 days ago

  • Full Stack Developer

     ...Full Stack Developer (ETL, Java, Python, Bash Shell) Everforth ECS is seeking a Full Stack Developer to work onsite at our Springfield...  ...networking, IAM), cloud cluster, and policy management experience ~ API Integration & Development ~ Experience with containerization/... 

    ECS Limited

    Springfield, VA
    5 days ago

  • Frontend Web Developer

     ...Job Description Description We're seeking a Frontend Web Developer with an active TS/SCI to build engaging, responsive, and accessible...  ...Experience consuming and integrating RESTful or GraphQL APIs Proficiency with Git and modern version control workflows (... 

    LT Consulting

    Reston, VA
    25 days ago

  • Junior SharePoint Developer

     ...Digital Consultants is seeking a SharePoint Developer-Junior to join our team. As the...  ...and Application Programming Interfaces (APIs) within SharePoint to accommodate service...  ...Certificates, and Hyper Understanding of Web Server Deployment related to IIS, AppFabric... 
    Permanent employment
    Full time
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    Flexible hours

    Digital Consultants, LLC

    Springfield, VA
    5 days ago

  • Mobile/Web Developer (.Net)

    $96.03k - $137.18k

     ...External Description Mobile/Web Developer (.Net) The Air Line Pilots Association, International (ALPA) , the largest airline pilot...  ...cross-browser compatibility/development, and RESTful Services and APIs are all a definite plus. Experience using automation and... 
    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours

    Air Line Pilots Association, Int'l.

    McLean, VA
    4 days ago

  • Senior Full Stack Software Engineer

    $195k

     ...seeking a Senior Full Stack Software Engineer to design, develop, and deploy scalable web applications. You will work across front-end and back-end...  ...strong experience with modern JS frameworks, REST/GraphQL APIs, databases, and cloud platforms. Join a culture of innovation... 

    Vantor

    Springfield, VA
    a month ago

  • Web Developer (Jr)

    $93k

     ...Web Developer (Jr) Job Locations US Job ID 2026-2192 # of Openings 2 Category Analyst Overview...  ...508) and web standards. ~ Understanding of RESTful APIs and integration with external services Target Pay Range... 
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    Pyramid

    Fairfax, VA
    3 days ago

  • Web Developer

     ...Job Description We are seeking a part-time Web Developer to support the installation, integration, and enhancement of externally developed...  ...applications to internal and external databases through APIs, modifying and maintaining web applications, and independently... 
    Part time

    NeoMax

    McLean, VA
    3 days ago

  • Web Developer (TS/SCI CI Poly)

     ...Seamless Migration is seeking a career and customer-oriented Web Developer to join our team in Chantilly, VA Clearance ~ Active...  ...testing Write interfaces and conversion routines leveraging web APIs Support formal testing in controlled environment before... 
    Full time
    Immediate start
    Flexible hours

    Seamless Migration

    Chantilly, Loudoun County, VA
    2 days ago

  • Frontend Developer

     ...Workplaces honoree, is seeking a Frontend Developer to join our team. The ideal candidate...  ...user interfaces for Federal Government web applications. This role requires strong expertise...  ...frontend applications with backend APIs and data services. Conduct cross-browser... 
    Full time
    Contract work

    Spatial Front

    Arlington, VA
    5 days ago

  • Jr. Front End Developer

     ...Overview Jr. Front End Developer Vienna, VA Are you ready to enhance your skills...  ...develop, and maintain back-end services and APIs Collaborate with front-end developers...  ...field ~1+ years of experience with web design and web front-end development ~... 
    Work at office
    Work from home
    Home office

    Chenega MIOS

    Vienna, VA
    2 days ago

  • Frontend / UX Engineers (Bethesda (REMOTE), MD, US)

    $68.08k - $141.83k

     ...UX Engineer is responsible for designing, developing, and optimizing user interfaces that...  ...implementation of responsive, user-centered web applications that support complex workflows...  ...closely with product owners, backend/API engineers, and operational stakeholders to... 
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    The Nippon Telegraph and Telephone Corporation (NTT)

    Bethesda, MD
    2 days ago

  • Frontend Developer (React) + Python API Development

     ...Job Title: Frontend Developer (React) + Python API Development Long Term contract DL Copies are mandatory for all the candidates 7...  ...applications, integrating backend APIs, and developing scalable web solutions. Key Responsibilities: Develop and... 
    Long term contract

    Recutify Inc.

    Washington DC
    4 days ago

  • Web Developer

     ...Overview We are seeking a Web Developer located in Chantilly, VA . What will you do? The primary duties are to develop, test, and deploy...  ...client-side technologies such as jQuery, CAML, XSLT, Rest API/ Web Services to be able to use the SharePoint client object model... 
    For contractors

    VTG

    Chantilly, Loudoun County, VA
    5 days ago

  • Senior Frontend Engineer - AI Prototyping

     ...experiences. ~ Proficiency in Python and FastAPI for developing rapid, lightweight back-end prototypes and APIs. ~ Working knowledge of how AI and LLMs work ~...  ...to design intuitive user flows and layouts for web applications; experience with tools like Figma is a... 
    Work experience placement
    Remote work
    Flexible hours
    Shift work

    seekr

    Reston, VA
    25 days ago