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  • $86.8k - $198k

    Overview Job Number: R0225868 API Platform Software Engineer As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced... 
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    Phase2 Technology

    Arlington, VA
    6 days ago
  • $86.8k - $198k

     ...good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused...  ...We’re looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution... 
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    Booz Allen Hamilton

    Arlington, VA
    4 days ago
  • Join to apply for the Cloud API Developer role at ActioNet, Inc. 4 months ago Be among...  ...Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent...  ...tools like Postman. Solid understanding of software development lifecycle (SDLC) and Agile methodologies... 
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    ActioNet, Inc.

    Suitland, MD
    5 days ago
  •  ...There's a good chance you've even used our software since 100,000+ companies nationwide use...  ...companies to configure benefits. We build APIs to handle B2B transactions with our...  ...re currently looking for a senior backend engineer that will be primarily designing, building... 
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    Employeenavigator

    Bethesda, MD
    2 days ago
  • Overview Are you Ready to Engineer Your Career? At IMEG, one of the largest design consulting firms in the U.S., we strive to provide...  ...work, and support a culture of sustainability. Role The Revit API Software Engineer will possess a strong knowledge of the Autodesk Revit... 
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    IMEG Corporation

    Washington DC
    5 days ago
  •  ...Technical Expertise - Responsible for complex involvement in the software development life cycle including the creation, enhancement,...  ...secure coding practices. Hands-on experience with Web Service and API development: Experience with .net core 6 or higher for Web APIs,... 
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    First Citizens Bank

    Arlington, VA
    5 days ago
  • $78.4k - $123.2k

    The API Engineer serves as the enterprise-wide expert in API technologies within Enterprise Technology Services (ETS), driving digital transformation through scalable and secure API solutions. This role accelerates the delivery of products and services for both members... 
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    Navy Federal

    Vienna, VA
    5 days ago
  • Overview Java API Developer — Anywhere — Type: Contract — Category: Engineer — Industry: Insurance — Workplace Type: Remote Reference ID: JN -092025-103586 Date Posted: 09/07/2025 Shortcut: Description Remote. Join a dynamic team with a major healthcare organization,... 
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    Eliassen Group

    Washington DC
    5 days ago
  • $55 - $60 per hour

    Overview Title: Java Developer (API) Location: Vienna, VA; Pensacola, FL; San Diego, CA (HYBRID) Duration: Initial 6-month with potential extensions Compensation: $55.00 - $60.00/hour Work Requirements: US Citizen, GC Holders or Authorized to Work in the U.S. Responsibilities... 
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    INSPYR

    Vienna, VA
    5 days ago
  • $190.83k - $258.18k

    Software Development Engineer III (C++), Maps API Join to apply for the Software Development Engineer III (C++), Maps API role at Mapbox Software Development Engineer III (C++), Maps API Join to apply for the Software Development Engineer III (C++), Maps API role at Mapbox... 
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    Mapbox

    Washington DC
    1 day ago
  • $205.4k - $234.4k

     ...Product Management, Developer Experience - API Platforms Capital One is a high-tech...  ...critical building block for developing software, from customer applications, to real-time...  ...and is comfortable in conversation with engineering teams as well as stakeholders ranging from... 
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    Capital One National Association

    Mc Lean, VA
    4 days ago
  • Overview Role: API Gateway Developer Client: DC Government Location: Washington, DC Responsibilities Collaborate with cross-functional teams to understand business requirements and design secure, scalable, and high-performing APIs. Monitor API performance and troubleshoot... 
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    AHU Technologies Inc

    Washington DC
    1 day ago
  • $100k - $150k

     ...Federal has an exciting opportunity for an API/Java/Python Developer (Junior) in...  ...design, development, and maintenance of software applications and APIs using Java and Python...  ...Employment type: Full-time Job function: Engineering and Information Technology Industries: IT... 
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    CGI

    Arlington, VA
    1 day ago
  • $158.6k - $181k

    Overview Senior Software Engineer, Full Stack (Java/Python/API). Do you love building and pioneering in the technology space? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors who solve real problems and meet real customer needs. We... 
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    Capital One

    Mc Lean, VA
    1 day ago
  • API INTEGRATION DEVELOPER, AZURE Client - Energy Client Work type - remote, anywhere in...  ...will collaborate closely with other engineers, architects, and business stakeholders to...  ...integration issues Contribute to general software development projects beyond API work Support... 
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    System One

    Alexandria, VA
    5 days ago
  • Full Stack Software Engineer-TS/SCI with polygraph required Job Locations US-VA-McLean Job ID 2025-12550 # of Openings 1 Category Information...  ...experience developing, deploying and maintaining APIs on AWS infrastructure Excellent oral and written communication... 
    Local area

    LMI Consulting, LLC

    Mc Lean, VA
    2 days ago
  • Join to apply for the Full Stack Software Engineer role at PerformYard Join to apply for the Full Stack Software Engineer role at PerformYard...  ...capabilities of our employee performance SaaS product Contribute to our API and maintain API-based connections with other, related systems... 
    Full time
    Remote work
    Worldwide

    PerformYard

    Arlington, VA
    5 days ago
  • Ford Motor Company is looking for a versatile and skilled Software Engineer to join our engineering team. This role involves full-stack development...  ...Develop, maintain, and enhance backend services and APIs leveraging Node.js, NestJS, and Java Spring Boot. Build responsive... 
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    Ford Motor Company

    Washington DC
    5 days ago
  • Overview Full Stack Software Engineer - Anywhere Type: Contract Category: Development Industry: Technology Workplace Type: Remote Reference...  ...frontend, and Python with FastAPI on the backend. You’ll design APIs (REST and gRPC), work with PostgreSQL and SQLite, and deploy... 
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    Eliassen Group

    Washington DC
    5 days ago
  •  ...Redhorse Corporation is seeking a highly skilled Full Stack Software Engineer to join our team supporting the Defense Intelligence Agency (...  ...based support capabilities, encompassing software architectures, APIs, frameworks, and libraries. Contribute to the development of... 
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    Medium

    Arlington, VA
    5 days ago
  • $100k - $135k

    Overview LMI is seeking an experienced Full Stack Software Engineer to work with a team to develop innovative software programs that enable supply...  ...and the web request lifecycle to efficiently call API endpoints from the frontend and write/manage callable API endpoints... 

    LMI

    Tysons Corner, VA
    5 days ago
  •  ...Washington, D.C., Quorum is a fast-growing software company and a leading provider of...  ...grassroots advocacy software. The Software Engineering team develops high-quality datasets, operates...  ...data models, and creates services and APIs to support server-side application logic... 
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    Quorum Analytics Inc.

    Washington DC
    1 day ago
  • $140k

    Join to apply for the Full Stack Software Engineer role at Resonate Continue with Google Continue with Google Join to apply for the Full Stack...  ...performance and scalability. Develop and document RESTful APIs for seamless system integration. Write robust unit, integration... 
    Full time
    Local area
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    Resonate

    Washington DC
    5 days ago
  • Ariadne is searching for a Senior Software Engineer with good knowledge of Object-Oriented Programming to support the National Institutes of...  ...interaction and scientific data visualization, using modern APIs and frameworks. Work as an integral part of an agile product... 
    Full time
    Remote work

    Ariadne

    Bethesda, MD
    4 days ago
  • $115k - $190k

    Are you a Senior Full Stack Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being...  ...ideal candidates bring some combination of UI/UX, middleware/API, back-end, DevOps, CNO, or data science experience. Experience... 
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    Relocation package

    GliaCell Technologies

    Laurel, MD
    3 days ago
  • $165k - $185k

     ...5,000.00/yr Job Title/Level Full Stack Software Developer Location Hybrid (for now) US...  ..., CSS, XML, Web services (SOAP), Java API for XML Web Services (JAX-WS), Java Architecture...  ...Full-time Job function Job function Engineering and Information Technology Industries IT... 
    Full time
    Remote work

    WhirlWind Technologies, LLC

    Suitland, MD
    2 days ago
  •  ...MANTECH is seeking a motivated, career and customer-oriented Software Data Engineer to join our team in the Springfield, VA area....  ...Ruby, PHP, Python, Hands-On SQL, Microsoft ASP.NET MVC, Web API, Node.js. DoD 8570.01-M compliant, IAT II. (CCNA Security... 
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    ManTech

    Springfield, VA
    5 days ago
  •  ...SaaS platform. You will solve the novel engineering challenges inherent in AI-native applications...  ...to support our AI agents, including API gateways, state management systems for...  ...Requirements 7+ years of professional software engineering experience, with a strong portfolio... 
    Local area
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    Resonate

    Washington DC
    3 days ago
  • Full Stack Developer/Software Engineer Location: 3-4 days onsite in NW DC Clearance Requirement: TS/SCI Pay: 150 – 180K About Company Disruptive...  ...Chai, JUnit, NUnit, TestNG • Experience with cloud message APIs and push notifications Equal Opportunity Statement... 
    Flexible hours

    Disruptive Solutions LLC

    Washington DC
    1 day ago
  •  ...you passionate about delivering quality software products and finding ways to improve existing...  ...is looking for a Full-stack Software Engineer with a focus on Frontend (React) to join...  ...engineers to design and develop RESTful APIs, and integrate them with frontend applications... 
    Permanent employment
    Full time
    Remote work
    Visa sponsorship
    Work visa
    Flexible hours

    GlobalGiving

    Washington DC
    1 day ago