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  • We are seeking a API Java/Python Developer, Mid 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 looking for the best and the brightest to join... 
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    NT Concepts

    Herndon, VA
    4 days ago
  • $196k - $264k

     ...provide expert advice to the team and participate in designing, developing, testing, and/or maintaining hardware, technology, and/or...  ...MAKE The Principal Engineer (Director IC), Exchange Platform (APIs, Files, AI protocols, and others) role will offer you the flexibility... 
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    FANNIE MAE

    Reston, VA
    5 days ago
  • $171k - $190k

     ...time contextual information on the web, mobile, and through our APIs. The team integrates public safety systems of all sorts,...  ...vehicle hotlists, and other alerts as well as contributing to our developer hub with a growing list of APIs for developers. The Skillset... 
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    Home office
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    Flock Safety

    Washington DC
    12 hours ago
  • $205.4k - $234.4k

     ...Overview Director, Product Management, Developer Experience - API Platforms Capital One is a high-tech company, a scientific laboratory, and a nationally recognized brand all-in-one, reaching tens of millions of consumers. As a Developer Experiences organization... 
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    Part time
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    Capital One National Association

    McLean, VA
    2 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...  ...cloud. You will work alongside our talented team of developers, machine learning experts, product managers and people leaders.... 
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    Part time
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    Capital One

    McLean, VA
    21 hours ago
  • Senior Software Engineer - IBM DataPower and IBM API Connect Location: Reston, VA Duration: 12Months+ Extension Hourly Rate: Depending on Experience (DOE) Work Authorization: Design, develop, and integrate secure, scalable, and reusable APIs using Node.js or Python Utilize... 
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    Robotics Prcocess Automation, LLC

    Reston, VA
    4 days ago
  • $113k - $188k

     ...impact . In this role, you'll work closely with other software developers as well our infrastructure and cybersecurity teams leveraging...  ...development using React, Angular, or other JS framework.   API Rest Framework development/maintenance.   Data flow... 
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    Vantor

    Herndon, VA
    5 days ago
  •  ...Annuities data models (ALIP). This role requires a blend of hands-on coding and technical leadership, including designing and building APIs/JSON integrations while also providing guidance, solutioning, and triage support for the team. Our Platform Engineering Team is... 
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    Intellibus

    Reston, VA
    2 days ago
  •  ...valuing creativity and teamwork. -Team-building, social events, and a true community atmosphere. Position: Web Application / API Services Developer – Mid Level (FI2) Clearance Required: TS/SCI with Full Scope Polygraph About the Role: Take your career further by building... 
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    Flexible hours

    Trinity Enterprise Services LLC

    Chantilly, Loudoun County, VA
    12 hours ago
  • $86.8k - $198k

    API Platform Software Engineer, Senior The Opportunity: 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. Were looking for an experienced back-end... 
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    Local area
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    Booz Allen Hamilton

    Mc Lean, VA
    1 day ago
  • $86.8k - $198k

     ...JOURNEY Discover what to expect during your journey as a candidate with us. 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... 
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    Booz Allen Hamilton

    Arlington, VA
    1 day ago
  • $124k - $206k

     ...using open-source technologies. Responsibilities: Design, develop, and maintain scalable backend services in Java and Rust....  ...foundation in software design principles, distributed systems, and API architecture. Experience with high-volume, low-latency streaming... 
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    Permanent employment
    Remote work
    3 days per week

    Vantor

    Herndon, VA
    3 days ago
  •  ..., Synergy has a position for you! Responsibilities Net Developer (Remote) to maintain and enhance current systems as well as develop...  ...in development using ASP.Net Framework 4.0 or later, REST API. ~ Experience with React.js, Postman, and PowerShell scripting... 
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    Local area
    Immediate start
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    Synergy Services

    Reston, VA
    12 hours ago
  • 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... 
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    Local area
    Arlington, VA
    a month ago
  • $100k - $150k

    Overview CGI Federal has an exciting opportunity for an API/Java/Python Developer (Junior) in Arlington, VA with a hybrid working model. This role supports the Defense, Intelligence & Space sector and involves the design, development, and maintenance of software applications... 
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    Full time

    CGI

    Arlington, VA
    3 days ago
  •  ...rd Parties Please. Job Summary: We are seeking an experienced API Cloud Engineer to lead and mature our API management practices,...  ...across our cloud environment. This role is responsible for developing, managing, and optimizing APIs to ensure seamless interoperability... 
    Long term contract
    Full time
    Remote work

    ASCENDING Inc.

    Fairfax, VA
    3 days 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...  ...You'll Do Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack... 
    Full time
    Part time
    Internship
    H1b

    Capital One

    Mc Lean, VA
    3 days ago
  •  ...responsible for designing, implementing, and maintaining integration solutions using MuleSoft and API management technologies. You will work with both business and technical teams to develop strategies for integrating disparate systems and applications, ensuring data flows... 

    Apex Systems

    Washington DC
    3 days ago
  •  ...On-site Job Location: Reston VA Salary: 129k-171k Background * Develop new workflows and interfaces for our existing manifest repository...  ...developing front end components as well as backend familiarity to debug API integration issues * Experience with Build Tools (Bazel) *... 
    Full time
    Local area

    Cyberstrike Group

    Reston, VA
    1 day ago
  •  ...Description • Works as part of the software development team to develop and debug web and mobile applications • Assists in analyzing,...  ..., and JavaScript/TypeScript. • Consumes RESTful & GraphQL APIs on Node.js and is open to learning and implementing the same too... 
    Work experience placement

    NESC Staffing

    Reston, VA
    20 days ago
  •  ...Apply advanced skills, knowledge, and experience to design and develop software solutions to meet customer needs in support of the Desktop...  ...& Tools Programming: Java, Python, Spring Boot, REST APIs Cloud: AWS (Glue, Kinesis, EMR, Route 53), containerization,... 
    Full time
    Work at office
    Remote work

    Fannie Mae

    Reston, VA
    4 days ago
  • Seeking a talented React Developer for a hybrid role to join our team in building and maintaining modern applications within a microservice...  ...environment • Design, consume, and maintain RESTful APIs and GraphQL endpoints • Write unit and integration tests to ensure... 

    TekStream Solutions, LLC

    Reston, VA
    1 day ago
  •  ...responsibilities:* Apply your advanced skills and knowledge to develop solutions for application design and IT infrastructure components...  ...Lambda, CloudFormation), ADK* Architecture: Microservices, REST APIs* DevOps & CI/CD: Terraform, GitLab, Jenkins, Git, Docker, Kubernetes... 
    Work at office
    Remote work

    The Fannie Mae

    Reston, VA
    12 hours ago
  • $120k - $355k

     ...in office) As a Tanium Senior Software Engineer focused on developing cloud technologies, you will build and maintain best-of-breed products...  ..., scalable, observable, and maintainable backend services and APIs ~ Knowledge of at least one of Golang (preferred), Node.js,... 
    Full time
    Part time
    Live in
    Work at office
    Flexible hours

    Jobsanywhere

    Reston, VA
    12 hours 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... 
    Work experience placement

    AHU Technologies Inc

    Washington DC
    3 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...  ...RESTful APIs and integration solutions using modern frameworks Develop and maintain API documentation using tools like RAML, Swagger/... 
    Full time
    Internship
    Monday to Friday
    Shift work

    Navy Federal

    Vienna, VA
    2 days ago
  •  ...effectively with cross-functional teams. Responsibilities Develop and maintain scalable front-end applications using React and...  ...or other solutions Build and integrate backend services and APIs using Node.js Design and optimize search and analytics solutions... 
    Permanent employment
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    Local area
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    ClearanceJobs

    Reston, VA
    12 hours 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, focusing... 
    Hourly pay
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    Local area
    Remote work

    Eliassen Group

    Washington DC
    2 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... 
    Local area
    Flexible hours

    Inspyr LLC

    Vienna, VA
    2 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...  ...packages, and vehicles everywhere. More than 4 million registered developers have chosen Mapbox because of the platform’s flexibility,... 
    Full time
    Local area

    Mapbox

    Washington DC
    3 days ago