Average salary: $129,374 /yearly

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  • Java Lead - API Developer

     ...Job Title: Java Lead - API Developer Duration: 9 Months Location: Richmond VA 23238 We are looking for an API Developer Required Skills Programming Languages: Proficiency in at (Python, Java, Go) RESTful API Design: Deep understanding of REST principles... 
    Suggested

    Spectraforce Technologies

    McLean, VA
    3 days ago

  • DevOps and back-end API Developer

    $50k - $290k

     ...Intelligence Community customers across the country and around the globe. Swift is looking for a skilled DevOps and back-end API Developer to support the new development of a Web and Mobile system focused on providing customers with a data-driven, visually intuitive... 
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    Contract work
    Work experience placement
    Work at office

    Swift

    Reston, VA
    4 days ago

  • Senior Full-Stack AI Application Engineer - Backend, Database & API Emphasis

     ...seeking a Senior Full‑Stack AI Application Engineer (Backend & API Focus) to architect, build, and scale the backend platforms and...  ...backend services with auditability and secure access patterns Develop event‑driven backend components to support real‑time updates, notifications... 
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    Remote work

    AST SpaceMobile

    Lanham, MD
    4 days ago

  • API Middleware Developer

     ...Job Description ProSidian Seeks a API / Middleware Developer | Servicenow & Sharepoint Online Development - Integration Support [NSF0077077] for Program Support on a Exempt W2: No Overtime Pay Basis located in the Mid Atlantic Region and listed under a Senior Systems... 
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    Full time
    Contract work
    Temporary work
    For contractors
    H1b
    Work at office
    Flexible hours

    ProSidian Consulting

    Alexandria, VA
    2 days ago

  • Lead Java API Developer

     ...Title: java API Developer Location: Richmond, VA (Hybrid - 3 days onsite, Friday remote) Duration:9 month Introduction: We are seeking an experienced professional to design, develop, and manage scalable, high-performance APIs in a cloud-based environment.... 
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    Immediate start
    Remote work

    Artech

    McLean, VA
    4 days ago

  • Web Application / API Services Developer - Senior Level (FI3)

     ...Web Application / API Services Developer – Senior Level (FI3) Job Description: Are you opinionated on what it takes to create great software AND great teams? Are you interested in using your experience to help others grow in their career? Are you looking for... 
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    Flexible hours

    Trinity ES LLC

    Chantilly, Loudoun County, VA
    3 days ago

  • UI Developer

     .... About this Position / Responsibilities Analyze, design, develop, apply, and support complex enterprise projects. Evaluate customer...  ...knowledge of multi-tiered applications such as web services, APIs, clustered environments, database servers, application servers,... 
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    Immediate start
    Flexible hours

    NFF

    Alexandria, VA
    20 hours ago

  • Software Engineer (Front-End) / APIS

     ...global border security, threat detection, and analytics systems. In this role, you'll develop responsive front-end applications and integrate with C#/.NET microservices and APIs powering real-time data platforms. You'll work alongside senior engineers, DevOps, and product... 
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    SECURIPORT

    Reston, VA
    1 day ago

  • Java, Scala, Python Developer

     ...Java, Scala, Python Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full...  ...Engineer, Distributed Systems Developer, Big Data Developer, API Developer, etc. DEGREE (Level Desired) Bachelor's Degree... 
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    Temporary work
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    Cymertek

    Vienna, VA
    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
    20 days ago

  • NET Developer

     ...LinTech Global Inc. is recruiting for a .NET Developer to support our contract at the USPSOIG in Arlington, Virginian working fulltime...  ...platforms such as Azure Experience with web services and REST APIs Experience working in the Agile software development... 
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    LinTech Global

    Arlington, VA
    4 days ago

  • .Net Developer

    $115k

     ....NET Developer REMOTE Pay From; $115,000 Per Year MUST : Public Trust active Experienced .Net Developer...  ...with Visual Studio, C#, ASP.NET MVC (Razor), JavaScript, Web API, JSON, XML, SQL, PowerShell, HTML5 Image Viewers, SOAP UI or... 
    Suggested
    Remote work

    Quadrant

    Alexandria, VA
    4 days ago

  • Azure / Dot net Developer

    $61.09k - $104.36k

     ...Azure / Dot net Developer Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you...  ...integration between cloud services and backend systems Implement APIs, background processing, and integration workflows in Azure... 
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    Permanent employment
    Full time
    Contract work
    Local area

    Capgemini

    Vienna, VA
    1 day ago

  • Mid - Software Engineer

     ...Responsibilities Lead design and development of microservices, APIs, and responsive front-ends integrated with VA.gov, ensuring FHIR/RESTful compliance and DevSecOps integration.  Actively develop, test, and maintain software applications using agile methodologies... 
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    Work experience placement

    SteerBridge

    Vienna, VA
    27 days ago

  • Software Engineer (Java, AWS, Linux)

     ...*** SIMILAR CAREER TITLES Software Engineer, Java Developer, AWS Cloud Engineer, Linux Systems Developer, Backend Developer,...  ...Familiarity with containerization (e.g., Docker) Knowledge of RESTful API development Understanding of database systems (e.g., MySQL,... 
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    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    Vienna, VA
    3 days ago

  • Sr. Cloud Data Engineer

    $137.3k - $165.1k

     ...consumers to obtain and provide data through interfaces such as REST APIs and S3 Provide day-to-day support of deploying Python-native...  ...experience in data engineering, with expertise in designing, developing, and maintaining data ingestion, transformation, and loading... 
    Live in
    Work at office
    Local area

    Accenture

    Vienna, VA
    3 days ago

  • Cloud Application Developer

     ...Cloud Application Developer Fully onsite in Alexandria, VA 6+ month contract to hire IV Process: 1-step virtual panel...  ...Proficiency in Java, Python, or Node.js Experience with API-driven microservices Familiarity with CI/CD pipeline, Infrastructure... 
    Contract work

    My3Tech Inc

    Alexandria, VA
    3 days ago

  • Full-Stack JAVA/REACT JS Developer

    $103.8k - $218.1k

     ...Job Title: Full-Stack JAVA/REACT JS Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required...  ...JSP ~ Databases: MS SQL, Oracle ~ Understanding of RESTful API design and development ~ Proficiency in version control systems... 
    Full time
    Contract work
    Work experience placement
    Local area
    Immediate start
    Flexible hours

    CACI International

    Arlington, VA
    5 days ago

  • DevOps / AWS / Python Engineer

     ...This role involves working with both Windows and Linux systems, developing CI/CD pipelines, and ensuring secure and efficient deployment...  ...GitLab CI/CD AWS CloudFormation AWS S3 AWS ECS AWS Lambda AWS API Gateway DevSecOps CI/CD pipeline development CompTIA Security+... 

    Falcon IT & Staffing Solutions

    Alexandria, VA
    4 days ago

  • API Developer Lead

     ...balance technical advancement with cost-awareness while providing exceptional service. IGS is currently recruiting for a remote API Developer Lead to support our work with our federal customer. Assignment of Work and Travel: This is a remote access... 
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Flexible hours

    Initiate Government Solutions

    Washington DC
    3 days ago

  • API developer with Tenable

    $110k - $150k

     ...Job Title: API developer with Tenable Location: McLean, VA Type: Contract To Hire Compensation: $110,000.00 - $150,000.00 Contractor Work Model: Hybrid – onsite and remote Responsibilities Develop and maintain custom connectors between Tenable and... 
    Contract work
    For contractors
    Local area
    Remote work

    System One Holdings, LLC

    McLean, VA
    2 days ago

  • .NET Developer with data background

     ...Job Title: .NET Developer with data background Location: Day one onsite hybrid in Arlington, VA Position Responsibilities...  ...end-to-end software solutions, including frontend, backend, and APIs, ensuring high performance, scalability, and reliability... 

    Futran Tech Solutions Pvt. Ltd.

    Arlington, VA
    4 days ago

  • Java/Full-Stack Developer (Junior)

     ...entry-level software programmers, IT enthusiasts, Python/Java developers, Data analysts/ Data Scientists. We welcome candidates with...  ...software programming Spring boot, Microservices and REST API's experience Excellent written and verbal communication skills... 

    SynergisticIT

    Alexandria, VA
    3 days ago

  • Software Engineer - .NET / APIS

     ...build scalable, high-impact systems supporting global border security and threat detection. In this role, youll develop C#/.NET backend services, APIs, and microservices that power real-time data processing and analytics platforms. Youll work closely with senior... 
    Contract work
    Remote work

    Securiport

    Reston, VA
    9 days ago

  • Entry Level .NET Software Developer

     ...Desired Skills Creative problem solver. Proficiency in C#, ASP.NET, SQL Server, and/or ability to quickly learn Databases, APIs, and New Technologies. High Energy / Attitude. Familiarity with User-Centered Design. Exposure to CS fundamentals or programming... 
    Permanent employment
    H1b
    Work at office
    Work from home
    Night shift

    EAI Technologies

    Vienna, VA
    1 day ago

  • API Developer

     ...balance technical advancement with cost-awareness while providing exceptional service. IGS is currently recruiting for a remote API Developer to support our work with our federal customer. Assignment of Work and Travel: This is a remote access assignment.... 
    Contract work
    Temporary work
    Work experience placement
    Remote work
    Flexible hours

    Initiate Government Solutions

    Washington DC
    3 days ago

  • Senior API Developer

     ...Senior API Developer Anywhere Type: Contract Category: Development Industry: Insurance Workplace Type: Remote Reference ID: JN -032026-106098 Date Posted: 03/23/2026 Shortcut: Description Recommended Jobs Description: Remote... 
    Hourly pay
    Contract work
    Local area
    Remote work

    Eliassen Group

    Washington DC
    4 days ago

  • .NET Software Engineer

    $69.4k - $158k

     ....NET Software Engineer The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in...  ...applications using Agile methods ~2+ years of experience with C# and Web API ~ Experience migrating from .NET framework to .NET 5, 8, or 10... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    4 days ago

  • Sr. Front-end Software Engineer

    $112k - $179k

     ...come on-site as needed. In this role, you will: Design, develop, test, document, and maintain both front-end and back-end...  ...development languages. Experience developing and working with APIs. Experience with DevOps tools Atlassian JIRA, Jenkins Continuous... 
    Contract work
    Remote work
    Shift work

    Peraton

    Arlington, VA
    3 days ago

  • .net Software Engineer

    $100k - $130k

     ...Direct hire. Seeking .net/c# developer. Must be US Citizen and/or Greencard holder in order to attain low level clearance. Position is currently...  ...leadership and mentoring to junior developers. Postal API knowledge highly desirable Full stack development experience... 

    CipherStaff

    Falls Church, VA
    1 day ago