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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
    5 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
    3 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
    4 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
    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
    14 hours 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
    3 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
    4 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
    4 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... 
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    PerformYard

    Arlington, VA
    4 days ago
  • $263.9k - $301.2k

     ...Distinguished Engineer - API Platform (GraphQL) As a Distinguished Engineer at Capital One, you will be a part of a community of technical...  ...’s Degree At least 7 years of experience in General software At least 7 years of experience in Software engineering and... 
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    Capital One

    McLean, VA
    3 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
    4 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
    4 days ago
  •  ...Software Security Engineer IV US-VA-Arlington Job ID: 2025-2454 Type: Regular Full-Time # of Openings: 1 Category: Security, Network...  ...environment including, but not limited to, Lambda, API Gateway, DynamoDB, S3, CloudWatch. ~ Implementation of modern... 
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    Airlines Reporting Corporation

    Arlington, VA
    14 days ago
  • $110k - $230k

    Enterprise - Software Engineer - Python, ETL, APIs Join to apply for the Enterprise - Software Engineer - Python, ETL, APIs role at Erias Ventures Enterprise - Software Engineer - Python, ETL, APIs 19 hours ago Be among the first 25 applicants Join to apply for the Enterprise... 
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    Erias Ventures

    Fairfax, VA
    14 hours ago
  • $126.1k - $227.95k

     ...Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security...  ...highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert (SME) for the Maru Program. In this... 
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    Leidos

    Falls Church, VA
    27 days 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-...  ...and is comfortable in conversation with engineering teams as well as stakeholders ranging from... 
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    Capital One National Association

    McLean, VA
    9 days ago
  • $107.5k - $125.4k

     ...component of hardware design, manufacturing, data processing, and software engineering, our office is a truly inspiring mix of experts from a...  ...includes but is not limited to: Specify and implement new APIs and help improve existing ones. Evaluate and choose appropriate... 
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    Home office
    3 days per week

    Planet Labs PBC

    Arlington, VA
    3 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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    Local area

    Mapbox

    Washington DC
    14 hours ago
  •  ...Active Full Scope Polygraph and any Data Engineer certification Preferred: AWS certifications...  ...) Analyze user requirements to derive software design and performance requirements....  ...deployment. Develop web applications and REST APIs using Flask. Write or review software... 
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    Associates Systems LLC

    Falls Church, VA
    14 hours ago
  • $141k - $245k

     ...Field Software Engineer - Clearance Required Job Locations US-VA-Arlington Job ID 2025-13168 # of Openings 1 Category...  .... ~ Backend architecture: Develop and optimize APIs, databases, and cloud-based services to support secure, high-... 
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    LMI Consulting, LLC

    Arlington, VA
    3 days ago
  •  ...industry. We are seeking a highly skilled Senior Full-Stack Software Engineer to join our team and contribute to the development of innovative...  ...high-quality full-stack applications * Build and enhance APIs and microservices using modern frameworks and tools * Collaborate... 

    Figure Eight Federal LLC

    Arlington, VA
    1 day ago
  •  ...Position Summary: ANSER is looking for senior and mid-level software engineers to support an AI/ML program within the federal government. In...  ...based support capabilities including the software architectures, APIs, frameworks, and libraries. Develop front end and backend of... 

    Analytic Services Inc.

    Arlington, VA
    4 days ago
  • Software Engineer page is loaded## Software Engineerlocations: Alexandria, Virginiatime type: Full timeposted on: Posted Todayjob requisition...  ..., and test web applications utilizing web concepts RESTFUL APIs, CORS, cryptography, and secured protocols.* Deploy applications... 
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    KBR, Inc

    Alexandria, VA
    4 days ago
  • JHNA is currently seeking a talented Software Engineer. This individual will be responsible for developing, maintaining, and enhancing complex...  ..., test, and deployment. Develop web applications and REST APIs using Flask. Write or review software and system documentation... 
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    JHNA

    Alexandria, VA
    2 days ago
  • Description NetCentrics is seeking a Software Engineer with 7+ years of relevant work experience to join our team in Alexandria, VA. This role...  ..., test, and deployment. Develop web applications and REST APIs using Flask. Write or review software and system documentation... 
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    NetCentrics Corporation

    Alexandria, VA
    1 day ago
  • Job Description Software Engineer (Full Stack) at LIGHTFEATHER IO LLC . This remote position is based in Alexandria, VA, United States. Open to...  ...Strong knowledge of Formik with Yup validation, Cypress, and API integrations. Experience with Git. Ability to troubleshoot,... 
    Full time
    Remote work

    LIGHTFEATHER IO LLC

    Alexandria, VA
    14 hours ago
  • $86.8k - $198k

     ...9, 2025 (30+ days left to apply) job requisition id R0220900 Software Engineer The Opportunity: As a full stack developer, you can resolve a...  ...experience with building or maintaining production-grade RESTful APIs or software interfaces Experience in evaluating... 
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    Booz Allen Hamilton

    Arlington, VA
    1 day ago
  • $130k

     ...Master's of Science in Data Science, Computer Science, AI/ML, Software Engineering, Computational Science, Information Systems (with Data...  ...on experience with large language models (LLMs) using OpenAI API, RAG, or embedding models. Familiarity with prompt engineering... 
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    G2 Ops

    Arlington, VA
    4 days ago
  •  ...Small Business (SDVOSB). Job Description CMDSS is seeking a Software Engineer to join our team for an on-site opportunity in Arlington, Virginia...  ...between applications, experience with ETL, work with APIs, advanced level expertise with scripting languages) In-depth... 
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    Command Services & Support, Inc.

    Arlington, VA
    3 days ago
  • Direct message the job poster from Curate Partners Software Engineer - Full Stack (NodeJS / ReactJS / GraphQL / TypeScript) We’re seeking a highly...  ...projects involving multiple functions, scalable databases, API integrations, and cloud environments Proficient in... 
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    Curate Partners

    Arlington, VA
    4 days ago