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  • Backend Engineer (API Integration Focus)

     ...is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for...  ...to Apply. Job Description: The Backend Engineer (API Integration Focus) will design, develop, and maintain backend systems... 
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    Local area
    Remote work

    Network Designs Inc.

    McLean, VA
    6 days ago

  • Frontend Engineer - Junior

     ...using React (or Angular/Vue) that interact with complex backend APIs. Prototype mockups or wireframes for stakeholder...  ...Computer Science or Information Systems ~2+ years of designing and developing user interfaces using React or React Native. ~ Familiarity with... 
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    Nationwide IT Services

    Alexandria, VA
    23 days ago

  • Front End Developer

     ...Description Job Description Front End Developer The Front-End Developer will support a...  ...secure, accessible, and user-centered web interfaces. This role focuses on delivering...  ...end components with back-end services and APIs supporting identity verification, fraud... 
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    Sharp Solutions Inc

    Washington DC
    15 days ago

  • Front End Developer

     ...time off About this Role: The Front-End Developer will formulate and define specifications for...  ...-level impact In-depth understanding of web accessibility standards (Section 508, WCAG) Experience with RESTful API integration, JSON, AJAX, and responsive/mobile... 
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    Remote work

    IMAGINEEER LLC

    Arlington, VA
    22 days ago

  • Frontend Software Engineer

     ...the following ~3+ years of experience engineering Single Page Web Applications with a modern framework in complex environments. React...  ...~ Designed and engineered complex end-to-end flows of data from APIs to render large volumes of data on screen. ~ Have expertise in... 
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    Improbable LLC

    Arlington, VA
    7 days ago

  • Backend Engineer (API/Data Services Focus)

     ...contractor that specializes in designing, developing, and delivering information technology...  ...Job Description: The Backend Engineer (API/Data Services Focus) will be responsible...  ...develop, and maintain RESTful APIs to support web and mobile applications. Ensure APIs... 
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    Network Designs Inc.

    McLean, VA
    6 days ago

  • Web Application Developer

     ...Job Description Job Description IT Web Application Developer (Drupal) – Linux & Open-Source PlatformsJob Summary The IT Web Application Developer...  ...Technical Environment Web Technologies: Drupal, PHP, REST APIs Servers: Apache Server, Tomcat Operating Systems:... 
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    Business Management Associates, Inc.

    Washington DC
    13 days ago

  • Front-End Software Engineer

     ...Individual will be working on large-scale Web applications that will reach tens of millions...  ...and/or ability to quickly learn and develop web applications using Django Web Framework...  ...other notables Experience with RESTful APIs and efficient methods of requesting data from... 
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    Temporary work
    Relocation
    Flexible hours

    Republican National Committee

    Washington DC
    19 days ago

  • Shopify Front-End Engineer

    $100k - $150k

     ...agency, coordinating efforts across multiple developers, and contributing to our custom Node.js...  ...using Shopifys Admin and Storefront APIs, Liquid, and JavaScript. Collaborate closely...  ...Minimum Qualifications ~4+ years of web development experience, with a strong focus... 
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    Full time
    Local area

    Tuckernuck

    Washington DC
    6 days ago

  • Senior Backend Engineer - APIs, Data, and Scale

     ...and interest in other database technologies such as columnar systems. ~ Experience with scaling, performance, and benchmarking of APIs and data processing systems. ~ Fluency with tools such as Copilot, Cursor, Claude Code, Kiro and a track record of using them to build... 
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    Work visa

    Jellyfish

    Washington DC
    3 days ago

  • Web Application Developer - Defense

    $135k - $200k

     ...it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions...  ...features. As part of this, you will own APIs and schemas that power your frontend code,...  ...in JavaScript and an understanding of how web technologies work. ~ Bachelor’s degree... 
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    Work experience placement
    Work at office
    Remote work
    Work from home
    Relocation package

    Palantir Technologies

    Washington DC
    7 days ago

  • Principal Backend Developer (DDOS)

    $96.8k - $223.4k

     ...preference for Java for control-plane/services). ~ Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. ~ Proven DevOps leadership at scale: CI/CD, automated testing,... 
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    Temporary work
    Flexible hours

    Oracle

    Washington DC
    2 days ago

  • TS-cleared Senior Web Application Developer

     ...the United States to intelligently plan and develop their applications, modernize their...  ...experienced, skilled, and passionate Senior Web Application Developer to support development...  ...Experience developing and integrating RESTful APIs. Experience in clean coding practices,... 
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    Local area

    True Tandem

    Washington DC
    4 days ago

  • Sr. SharePoint Engineer -Must have an Active TS Clearance

     ...solutions. This includes configuring sites, libraries, workflows, and web parts, ensuring system security, and supporting business...  ...standards.  o        Experience with HTML, CSS, JavaScript, REST API, and SQL. Is preferred.   o        Strong problem-solving and analytical... 
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    BTI

    Washington DC
    17 days ago

  • Back-End Engineer

    $130k - $190k

     ...resolve customer-reported issues. Design database schemas and APIs for small-to-medium scoped features. Implement features following...  ...(PostGreSQL) (2+ years) Architecture (2+ years) Fintech web applications (1+ years) The ability to see challenges as opportunities... 
    Suggested
    Full time
    Work at office
    Work from home

    nitra

    Washington DC
    16 days ago

  • Backend Engineer - Junior

     ...junior Backend Engineer for a potential opportunity.  In this position, the Engineer will: Design and develop Spring Boot microservices (Java 21+) that expose RESTful APIs to frontend consumers. Decouple and break down monolithic designs into domain-driven services (e.... 

    Nationwide IT Services

    Alexandria, VA
    23 days ago

  • Senior SharePoint Developer

     ...organized, and adaptable Senior SharePoint Developer including Power Platforms (PowerApps,...  ...within Azure. This team develops in-house Web applications and customizations to existing...  ...utilizing SharePoint with proficiencies in REST API, .NET, JavaScript, jQuery, InfoPath,... 
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    For contractors
    Work at office

    H2 Performance Consulting

    Washington DC
    3 days ago

  • Backend Software Engineer - Defense

    $135k - $200k

     ...to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate...  ...develop reliable, performant, scalable systems and design robust APIs and primitives, please join us. Some examples of product work... 
    Work experience placement
    Work at office
    Remote work
    Work from home
    Relocation package

    Palantir Technologies

    Washington DC
    1 day ago

  • Engineer - Backend

     ...Engineer-Backend for a potential opportunity.  In this position, the Backend Engineer will: Design and develop Spring Boot microservices (Java 21+) that expose RESTful APIs to frontend consumers. Decouple and break down monolithic designs into domain-driven services (e.... 

    Nationwide IT Services

    Alexandria, VA
    23 days ago

  • Senior Backend Engineer - Fintech

    $175k - $225k

     ...managing, and integrating stablecoins seamless – whether you’re a developer, fintech, or institution. With AUSD, stablecoins become...  ...ensuring operational excellence. Our stack includes TypeScript, REST APIs, Docker, Kubernetes, Prometheus, and Grafana. BASIC... 
    Remote work

    Career Renew

    Washington DC
    20 days ago

  • Senior Backend Engineer

     ...operations—ranging from order management and tax services to search and payments. You’ll work across a rich ecosystem of APIs and services, developing highly reliable tools and pipelines with minimal UI work. This role is perfect for an autonomous backend engineer who... 
    Remote work

    Beacon Talent

    Washington DC
    20 days ago

  • Junior SharePoint Consultant

     ...Consultant who will support our SharePoint Developer and team in developing SharePoint...  ...SharePoint solutions—including custom workflows, web parts, and applications— with responsive...  ...other systems and applications using APIs and connectors, while maintaining a cohesive... 
    Work at office

    Q2 Impact

    Washington DC
    21 days ago

  • Front-End Web Developer

     ...and the U.S Census Bureau. About this position: Front-End Web Developer in Suitland, MD The Essential Duties and Responsibilities are...  ...and microservices, especially working with RESTful API services. You'll architect applications and refactor code for optimal... 
    Contract work
    Work at office
    Local area

    ARCTICOM LLC

    Suitland, MD
    2 days ago

  • Backend Engineer : Modernizing a National Sports Platform

     ...Description Job Description Lead Backend Developer Location: On site – Arlington, VA...  ...to take ownership of our backend strategy, API design, and data infrastructure. Job Summary...  ...RESTful APIs to support our mobile and web applications. Make high-level... 
    Full time
    Work at office
    Local area

    Uplifter US LLC

    Arlington, VA
    20 days ago

  • Staff Product Manager, Ranking & Data API (Developer Platform)

    $217k - $303.9k

     ...Staff Product Manager, Ranking & Data API (Developer Platform) Reddit is rapidly innovating and growing, and our Ranking and Data API team is at the forefront of this evolution. This is a unique opportunity to shape the future of how users interact with content and... 
    Flexible hours

    Reddit

    Washington DC
    2 days ago

  • Full-Stack PHP Developer

     ...seeking a mid-to-senior level full-stack PHP developer to join our team. This role focuses on building and maintaining complex web applications using the Laravel framework and...  ...~ Experience building and consuming RESTful APIs. ~ Proficiency with MySQL, including... 
    Temporary work

    Pioneering Evolution LLC

    Arlington, VA
    12 days ago

  • Kong API Gateway Specialist

     ...Citizen (MUST) Position Summary : We are seeking a Kong API Gateway Specialist to support the federal government in modernizing...  ...solutions that align with federal compliance mandates, enable developer experience, and support high-volume API traffic during filing... 
    Local area
    Remote work

    eTelligent Group LLC

    Washington DC
    29 days ago

  • API/Java/Python Developer, Junior

    API/Java/Python Developer, Junior Position Description CGI Federal 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 keeping pace... 
    Local area
    Arlington, VA
    a month ago

  • API Java Python Developer, Senior

    API Java Python Developer, Senior Position Description CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector, advancing the national security mission through cutting-edge technology. We are seeking individuals with a passion... 
    Local area
    Arlington, VA
    a month ago

  • .NET Full Stack Developer - Application Development Support & Modernization

    $130k

     ...Position Summary The Developer provides hands-on application development and end-user application...  ...scheduled utilities as needed. Program web-based applications using ASP.NET MVC, C#,...  ...and reports. Introduce modular design, API-first patterns, and maintainable... 
    Full time

    Innosoft Corporation

    Washington DC
    8 days ago