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  •  ...Senior API Developer Job Locations US-VA-McLean ID 2025-9504 Category Software Development Type Regular Full-Time Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide... 
    Senior
    Full time
    Work experience placement
    Immediate start

    Credence company

    McLean, VA
    3 days ago
  •  ...applications. Utilizes programming specifications to construct modules, develop testing methods, and design materials. Provides new feature time...  ...coding practices. Hands-on experience with Web Service and API development: Experience with .net core 6 or higher for Web APIs,... 
    Senior
    Remote work

    First Citizens Bank

    Arlington, VA
    3 days ago
  • $158.6k - $181k

     ...Senior Software Engineer, Full Stack (Java/Python/API) Do you love building and pioneering in the technology space? Do you enjoy solving complex business...  ...Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in... 
    Senior
    Full time
    Part time
    Internship
    H1b
    Local area

    Capital One

    McLean, VA
    4 days ago
  •  ...Senior Systems Integrator Location: Springfield, VA, US Job ID: ATR 17675 Job Description...  ...discipline and mission continuity. ~ Develop integration test strategies, manage...  ...Advanced data handling (XML/JSON). REST API interaction. Parallel processing via... 
    Senior
    Remote work

    Arena Technical Resources

    Springfield, VA
    12 hours ago
  •  ...Senior System Administrator / Integrator Shape the mission. Engineer the future. GDIT...  ...engineering discipline and mission continuity. Develop integration test strategies, manage...  ...data handling (XML/JSON). REST API interaction. Parallel processing via runspaces... 
    Senior

    ClearanceJobs

    Springfield, VA
    12 hours ago
  •  ...Description: We are looking for a skilled and motivated Full Stack Developer with expertise in JavaScript, Angular or Node.js, and hands-on...  ...server-side applications using Node.js. Integrate RESTful APIs and third-party services to support application functionality.... 
    Senior

    Intellect Solutions

    Springfield, VA
    2 days ago
  •  ...yourself, “What's the best way to make this work?” Stack Overflow, API Documentation, and Google are some of your BFFs, and thoughts of...  ...needs to determine the most effective solutions. Design and develop visually pleasing, content-rich, user-friendly interfaces and intuitive... 
    Senior
    Contract work
    Remote work

    Eleven Peppers Studios

    Springfield, VA
    3 days ago
  • $79.23k - $123.8k

     ...Responsibilities We are seeking a highly skilled and motivated Enterprise Developer to join our team and lead the development of scalable, secure...  ...-based enterprise systems, cloud-native architecture, and API engineering. Exposure to Python for automation and data... 
    Senior
    Local area

    Acentra Health

    McLean, VA
    2 days ago
  • $88.2k - $173.5k

     ...Senior Momentum Developer Category: ERP/CRM/Tools Main location: United States, Virginia, Fairfax Position ID:J0825-1658...  ...tools - Strong troubleshooting skills - Experience with APIs - Strong experience with SQL Desired qualifications/non... 
    Senior
    Full time
    Work at office
    Local area

    CGI

    Fairfax, VA
    3 days ago
  • $225.4k - $257.2k

     ...Senior Manager, Software Engineering, Full Stack (Java, Node, Javascript, React or Angular, Restful API, AWS) Do you love building and pioneering in the technology space? Do you...  ...diverse technology projects and a team of developers with deep experience in distributed... 
    Senior
    Full time
    Part time
    Internship
    Local area

    Capital One

    McLean, VA
    1 day ago
  • TS/SCI Position Senior-level Systems Integrators support the Government by leading and overseeing the integrity of the NSG/ASG systems-of-systems enterprise. They lead and oversee planning, implementation approaches, testing, documenting, and maintaining solutions for... 
    Senior
    For contractors
    Work experience placement

    Compatible Technology Solutions, Inc.

    Springfield, VA
    1 day ago
  •  ...Overview SilverEdge Government Solutions is seeking a Senior Software Developer to lead software design, development, and testing. To mentor junior developers and ensure adherence to coding standards. Required Qualifications A TS/SCI with Polygraph level clearance... 
    Senior

    SilverEdge

    Springfield, VA
    1 day ago
  • James Scott, LLC is seeking Senior-level Systems Integrators to support its customers in the Chantilly and Springfield, VA area by leading and overseeing the integrity of the NSG/ASG systems-of-systems enterprise. Integrator shall oversee plans, implementation, documenting... 
    Senior
    For contractors
    Work experience placement

    James Scott Group

    Springfield, VA
    1 day ago
  • $85.8k - $228.1k

     ...Senior Adobe Commerce Developer Category: Software Development/ Engineering Main location: United States, Virginia, Alexandria Position...  ...performance, reliability, and scalability of commerce and API-based commerce services. • Lead, collaborate and integrate... 
    Senior
    Full time
    Local area

    CGI Technologies and Solutions, Inc.

    Alexandria, VA
    2 days ago
  •  ...RQ187030 Deliver simple solutions to complex problems as a Senior API Management Engineer Kong Enterprise Deployment at NDSI. Here,...  ...addressing potential scalability and reliability issues. # Develop and maintain comprehensive documentation and best practices for... 
    Senior
    Immediate start

    Ndsi

    Springfield, VA
    4 days ago
  •  ...industry. We are seeking a highly skilled Senior Full-Stack Software Engineer to join our...  ...exceptional work. Key Responsibilities: * Design, develop, and maintain scalable and high-quality...  ...stack applications * Build and enhance APIs and microservices using modern frameworks... 
    Senior

    Figure Eight Federal LLC

    Arlington, VA
    3 days ago
  •  ...respected Federal Integrator, is looking for a Senior Systems Integrator in Springfield, VA....  ...discipline and mission continuity. Develop integration test strategies, manage system...  ...data handling (XML/JSON). REST API interaction. Parallel processing via runspaces... 
    Senior
    Full time

    NorthHill Technology

    Springfield, VA
    12 hours ago
  •  ...Senior Etl And Database At Credence, we support our clients' mission-critical needs,...  ...complex data engineering initiatives. The developer will design, build, and optimize ETL pipelines...  ...data from multiple sources (databases, APIs, legacy systems, flat files) into... 
    Senior
    Local area
    Immediate start
    Monday to Friday

    ClearanceJobs

    McLean, VA
    1 day ago
  •  ...Inc. has multiple prime contracts and subcontracts supporting the Intelligence Community. We have an immediate need for a Senior Software Developer to join our team! In this role, will work as a member of the Elastic Team, various expertise is needed to support a sophisticated... 
    Senior
    Immediate start

    Marathon TS Inc

    Springfield, VA
    1 day ago
  •  ...Sr. Software Developer Remote Overview : Softtek Government Solutions is in search of a Sr. Software Developer to join our IT team. This Senior Software Developer will be working on developing APIs and deploying in AWS environment. The resource should... 
    Senior
    Permanent employment
    Local area
    Remote work

    Softtek Government Solutions

    Vienna, VA
    3 days ago
  •  ...Job Description: We are seeking an experienced Senior iOS Developer to join our team onsite in McLean, VA. The ideal candidate will have...  ...Jenkins, Fastlane). • Hands-on experience integrating RESTful APIs and third-party libraries. • Strong debugging and... 
    Senior
    Remote work

    TEKspikes LLC

    McLean, VA
    1 day ago
  • $112k - $179k

     ...Senior Systems Integrator - Sensor Integration Job Locations US-VA-Chantilly | US-VA-Springfield Requisition ID 2025-159115 Position Category Engineering Clearance Top Secret/SCI w/Poly Responsibilities We're looking... 
    Senior
    Contract work
    Shift work

    Peraton

    Springfield, VA
    12 hours ago
  •  ...Inc. is seeking an experienced Principal Senior Software Engineer to provide technical leadership...  ...serve as a lead engineer and hands-on developer, guiding design decisions, mentoring...  ...Boot). • Hands-on experience with RESTful APIs, microservices, and cloud-native... 
    Senior
    Temporary work
    Remote work
    Flexible hours

    Sierra 7, Inc.

    McLean, VA
    3 days ago
  • $140k - $160k

     ...Zachary Piper Solutions is seeking a talented Senior Software Engineer to join our team in Springfield, VA. As a Senior Software Engineer...  ...the Geospatial Intelligence Agency (NGA) by designing, developing, and maintaining geospatial intelligence applications. Your primary... 
    Senior
    Work experience placement

    Piper Companies

    Springfield, VA
    4 days ago
  •  ...Description Senior Software Developer Tysons, Virginia • Government/Military Full-time, W2 only U.S. Citizens only U.S. Veterans...  ...and/or Kubernetes)ElasticSearchDeveloping and integrating APIs Desired Skills: AI/MLAI modeling with LLMsEducational... 
    Senior
    Full time
    For contractors
    Immediate start
    Remote work

    The Metamorphosis Group, Inc.

    McLean, VA
    3 days ago
  •  ...Computer Science, Math, or Engineering fundamentals. Application development and implementation experience with Java, JavaScript, APIs, SQL/NoSQL, and new Technologies. High Energy / Attitude. Creative Problem Solving. We take care of our EAI Family: FREE... 
    Senior
    Permanent employment
    H1b
    Work at office
    Work from home
    Night shift

    EAI Technologies

    Vienna, VA
    3 days ago
  • $100k - $115k

     ...Consulting Group is seeking a Full Stack Developer to join a team building and modernizing secure...  ...RESUMES FOR FUTURE OPPORTUNITIES!) Senior-level role: $118K - $130K • The incumbent...  ...working across the full stack designing APIs and data models, implementing responsive... 
    Senior
    Permanent employment

    Mindbank Consulting Group

    Falls Church, VA
    1 day ago
  •  ...Overview Senior Full Stack Developer 6 Months contract Later hire (CTH) McLean , VA On-site M-F Interview Type: Virtual and In...  ...Technologies (Spark or PySpark), ETL (Informatica, Talend), REST API, Integration/EAI technologies like Informatica ~3+ years... 
    Senior
    Contract work

    eSolutionsFirst

    McLean, VA
    2 days ago
  •  ...VA, is looking for a full-time Software Developer to join their team. In this role, you'll...  ...threat detection. Working alongside senior developers, DevOps engineers, and data...  ...databases (SQL Server, MySQL) Experience with APIs, microservices, and distributed systems... 
    Senior
    Full time
    Worldwide

    Motion Recruitment

    Arlington, VA
    3 days ago
  • $101.95k

     ...validation. Summary We are seeking a highly skilled Senior SharePoint Developer to join our team and lead the design, development, and...  ...Designer , SharePoint Add-ins , and SharePoint REST API . ~ Utilize PowerShell for automation and management... 
    Senior
    Contract work
    Local area

    ValidaTek

    Falls Church, VA
    2 days ago