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  • 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... 
    Senior
    Hourly pay
    Contract work
    Local area
    Remote work

    Eliassen Group

    Richmond, VA
    8 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... 
    Senior
    Flexible hours

    Trinity ES LLC

    Chantilly, Loudoun County, VA
    2 days ago

  • Senior Documentum Developer

     ...Senior Documentum Developer - 1 year, Reston VA onsite, likely will have an onsite interview requested. GC ,USC Strong OpenText Documentum (ECM) expertise with Java/Python, REST API (Spring), AWS cloud services, and experience in enterprise application... 
    Senior

    3B Staffing LLC

    Reston, VA
    2 days ago

  • Senior OAS/ODI Developer

     ...skilled and detail-oriented Oracle Analytics & Data Integration Developer to join our team in a hybrid role based in Fairfax, VA. This...  ...from various source systems (relational databases, flat files, APIs, etc.) into target data warehouses and data marts. Implement... 
    Senior
    Work at office
    Local area
    2 days per week

    INTERNATIONAL LOGIC SYSTEMS, INC.

    Fairfax, VA
    5 days ago

  • Senior Ab initio Developer

     ...Role description UST Title - Developer I - Software Engineering Who we are: At UST, we help the world's best organizations...  ...DB, Redis) databases. Design, build, and optimize RESTful APIs for performance and scalability. Utilize LINQ and Entity... 
    Senior
    Local area

    UST Inc

    Norfolk, VA
    4 days ago

  • Senior OpenText Documentum Developer

    $121.2k - $154.3k

     ...Senior OpenText Documentum Developer Category: Software Development/ Engineering Main location: United States, Virginia, Reston Position ID...  ...full development lifecycle, from building and integrating APIs to managing platform upgrades and cloud-based deployments... 
    Senior
    Full time
    Local area

    CGI Technologies and Solutions, Inc.

    Reston, VA
    3 days ago

  • Senior PowerApps Developer- DOD clearance required

     ...Job Title: PowerApps Developer Location: Remote (U.S. Citizens Only) Clearance: Active Secret Clearance Required Employment Type...  ..., including Dataverse, SQL Server, SharePoint, and external APIs. Configure and manage environments (Dev, Test, Prod) for Power... 
    Senior
    Full time
    Remote work

    Oran

    Herndon, VA
    4 days ago

  • Senior RPA UIPath Developer

     ...Senior RPA UIPath Developer Location: Herndon, VA (Hybrid Work) Required: US Citizenship Requirements The RPA Developer will support the...  ..., Excel, etc) Experience developing robots that consume APIs and RESTful services Experience with AiFabric, Document... 
    Senior

    Node.Digital

    Herndon, VA
    4 days ago

  • Senior Software Engineer Staff

    $150,000 per week

     ...industry, where innovation, ethics, and teamwork are valued. As a Senior Software Engineer Staff in our IT & Cybersecurity department,...  ...reinforce national security. You will be pivotal in designing, developing, and managing software systems that align with our high... 
    Senior

    Lockheed Martin

    Oakton, VA
    1 day ago

  • Senior PowerApps Developer- Department of Defense clearance required

     ...Position: Senior Power Apps Developer (with Power Platform Administration) Employment Type: Full-time Role Summary We’re seeking a highly...  ...SharePoint, Microsoft 365, Teams, OneDrive , and external APIs (via custom connectors). Create relational data models,... 
    Senior
    Full time

    Oran

    Herndon, VA
    2 days ago

  • Senior MuleSoft Developer

    $140k - $170k

     ...Overview As a Senior Mulesoft Developer, you will work with our growing DevSecOps practice developing APIs and integration capabilities using the Mulesoft platform to connect data, services, and systems to help our customers achieve their mission. We are looking for... 
    Senior

    Steampunk.com

    McLean, VA
    1 day ago

  • Senior CANO Developer

     ...federal contractor, is seeking a highly skilled and motivated Senior CANO Developer to join our team! In this role, you will conduct...  ...Active Directory. ~ Tool development leveraging the Windows API/Win32 modules. ~ Expertise in AV/EDR evasion techniques.... 
    Senior
    For contractors

    Oak Grove Technologies LLC

    Fort Belvoir, VA
    26 days ago

  • Senior Appian Developer

     ...Job Description Job Description Senior Appian Developer Astor & Sanders Corporation (Astor) is an award-winning IT solutions provider headquartered...  ...for both front-end and back-end functions, including APIs and data integrations. Skilled in troubleshooting complex... 
    Senior
    Full time
    Work experience placement

    Astor & Sanders

    McLean, VA
    12 days ago

  • Senior Developer, Applied AI

     ...Are you a senior developer who thrives in collaborative environments and enjoys raising the bar for how teams build AI solutions? The Senior...  ...from concept to demonstrable proof of value, including UI/API layers, orchestration, retrieval, and evaluation. Implement... 
    Senior
    Flexible hours

    CFA Institute

    Charlottesville, VA
    2 days ago

  • Senior Java FS Developer

     ...Java with Microservice Mongo DB experience. Design, develop, and deploy web applications using AWS services such as EC2, S3,...  ...and maintain serverless architectures using AWS services such as API Gateway, CloudFormation, and CloudWatch Create and maintain... 
    Senior

    Syntricate Technologies

    McLean, VA
    2 days ago

  • Senior Developer

     ...Job Description Description: We are seeking a highly skilled Senior Developer to lead the design, engineering, and sustainment of...  ...modernization of legacy applications using microservices and API-driven architectures. Implement modular and reusable code structures... 
    Senior

    ARES Enterprise

    Dunn Loring, VA
    9 days ago

  • Mid-Senior Java Developer

    $160k

     ...technology solutions to the Department of Defense, is seeking a Mid-Senior Java Developer to join our Information Technology (IT) & Digital Solutions...  ..., and sustainment. You will develop back-end services and APIs using modern Java frameworks (such as Spring Boot) and... 
    Senior

    SimVentions, Inc - Glassdoor 4.6

    Dahlgren, VA
    15 days ago

  • Senior GIS Developer

     ...journey at Niyam awaits. Apply today! Niyam is seeking a Senior GIS Developer to join our team in support of our work with a federal client...  ...environments. Working knowledge of the ESRI ArcGIS JavaScript API and modern web-based GIS application development.... 
    Senior
    Full time
    Local area
    Remote work
    Flexible hours

    NiyamIT Inc.

    Fairfax, VA
    5 days ago

  • Front End Web Developer Senior

     ...We are seeking a highly motivated, innovative, skilled Front-end Developer to join our team. The candidate must be able to work as part of...  ...animation libraries. Experience with web services and third-party API integrations. Knowledge of emerging technologies such as... 
    Senior
    Work experience placement
    Immediate start

    Artech

    McLean, VA
    4 days ago

  • Senior Website Developer

     ...Position: Senior Website Developer Location: Arlington, VA Work Environment: Onsite Clearance Required: Public Trust Status: Contingent...  ...integration, and Application Programming Interfaces (APIs). Collaborate with User Experience (UX) designers, graphic... 
    Senior
    Work at office

    Knowesis

    Arlington, VA
    4 days ago

  • Senior GIS Developer

     ...software issues. May direct the work of other developers. Design, code, and implement GIS...  ...functionality and automate workflows. Utilize APIs and develop microservices as necessary to...  .... Overview We are seeking a Senior GIS Developer to join our team supporting... 
    Senior
    Permanent employment
    Full time
    Contract work
    Temporary work
    Local area
    Remote work
    Monday to Friday
    Weekend work
    Day shift
    Afternoon shift

    TekSynap

    Reston, VA
    5 days ago

  • Senior Splunk Cyber Security Engineer

     ...MANTECH seeks a motivated, career and customer-oriented Senior Splunk Cyber Security Engineer to join our team in Chantilly, VA ....  ...required for specific data sources and performing integrations via API. Delivering comprehensive Splunk deployment documentation to... 
    Senior
    Full time
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    4 minutes ago

  • API Developer

     ...API Developer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented API Developer to join our team and play a key role in designing, building, and maintaining... 
    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek

    Reston, VA
    1 day ago

  • Senior UI Developer

     ...I have an opportunity for a " Senior UI Developer " - ( McLean, VA - Hybrid Need Local Candidates ). and I am looking for a candidate who can...  ...CSS. ~ Experience integrating with third-party/external APIs. ~ Hands on experience in data integration from multiple... 
    Senior
    H1b
    Local area
    Immediate start

    Navtech

    McLean, VA
    4 days ago

  • Senior Exploit Developer -- DCART / Advanced Red Cyber

     ...Job Description Job Description Our client is seeking a Senior Exploit Developer in Fort Belvoir, VA. to design, build, and validate exploit...  ...Proficient in C/C++, assembly, and Windows internals (kernel Win32 APIs). Demonstrated exploit development experience (memory... 
    Senior

    Omniscius Consulting

    Fort Belvoir, VA
    21 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 internal... 
    Full time
    Contract work
    For contractors
    Local area
    Remote work

    System One

    McLean, VA
    2 days ago

  • Senior Database Developer

    $50k - $290k

     ...country and around the globe. We are looking for a skilled Senior Database Developer to join our dynamic team. In this role, you will be...  ...Developing and interfacing with Application Program Interfaces (APIs), supporting application development teams, and leveraging... 
    Senior
    Contract work
    Work experience placement

    Swift

    Herndon, VA
    3 days ago

  • Senior M&S Systems Developer (SME)

     ...Description: SimIS, Inc. is seeking a Senior Software Architect - Modeling & Simulation...  ...supporting multi-location exercises Develop software components for real-time simulation...  ...and code implementations Develop APIs for connecting legacy systems (JCTS, JTLS... 
    Senior
    Temporary work

    SimIS

    Norfolk, VA
    1 day ago

  • Senior Database Developer

     ...Senior Database Developer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential...  ...are a collaborative group with a mix of native mobile, data, API / platform, and front-end skills, and we are working to... 
    Senior
    Full time
    Work at office
    Remote work

    CoStar Realty Information, Inc.

    Richmond, VA
    4 days ago

  • Web Developer Senior

    $103.8k - $218.1k

     ...Job Title: Web Developer Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI...  ...• Writes interfaces and conversion routines leveraging web APIs. • Supports formal testing in controlled environment before... 
    Senior
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Chantilly, Loudoun County, VA
    1 day ago