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  • $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...  ...in the cloud. You will work alongside our talented team of developers, machine learning experts, product managers and people leaders.... 
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    Capital One

    McLean, VA
    3 days 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
  • $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. We’re looking for an experienced back-... 
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    Booz Allen Hamilton

    Mc Lean, VA
    15 hours 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... 
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    Long term contract
    Full time
    Remote work

    ASCENDING Inc.

    Fairfax, VA
    2 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... 
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    Capital One

    Mc Lean, VA
    2 days ago
  • $110k - $230k

     ...facing our customers. Description We are looking for a Software Developer to support the development of an integrated solution to...  ...bulk processing, ETL functionality, a range of data stores, and APIs. The ability to develop and deliver reliable, performant, and scalable... 
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    Erias Ventures, LLC

    Fairfax, VA
    1 day 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...  ...You’ll Do: Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack... 
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    Capital One

    McLean, VA
    3 days ago
  • $88.2k - $190.9k

     ...API/Java/Python Developer 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. We are seeking individuals with a passion for keeping pace with rapidly... 
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    ClearanceJobs

    Washington DC
    4 days ago
  • 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 cutting-edge solutions, including AI/ML, enterprise... 
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    Immediate start

    Credence Management Solutions, LLC

    Mc Lean, VA
    1 day 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... 
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    Apex Systems

    Washington DC
    2 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, focusing... 
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    Eliassen Group

    Washington DC
    1 day 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... 
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    Work experience placement

    AHU Technologies Inc

    Washington DC
    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,... 
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    Full time
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    Mapbox

    Washington DC
    2 days ago
  • $225.4k - $257.2k

     ...Full Stack (Java, Node, Javascript, React or Angular, Restful API, AWS) Do you love building and pioneering in the technology space...  ...Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full... 
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    Capital One

    McLean, VA
    3 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
    1 day ago
  • $90k - $115k

     ...innovation, hard work, and support a culture of sustainability. The Revit API Software Engineer will possess a strong knowledge of the Autodesk Revit API and will be responsible for developing against that stack. They will be working on building new engineering... 
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    Work experience placement
    Work at office
    Local area
    Flexible hours

    IMEG Corp

    Washington DC
    4 hours agonew
  •  ...brokers, and insurance companies to configure benefits. We build APIs to handle B2B transactions with our insurance carrier and...  ...in C# on .NET 8 with WebAPI, MVC and Vue.js at the front-end. We develop software as simple as forms for data capture to Roslyn-based C#... 
    Work at office
    Remote work

    Employee Navigator

    Bethesda, MD
    4 days ago
  • API INTEGRATION DEVELOPER, AZURE Client - Energy Client Work type - remote, anywhere in the US - EST Hours Duration - 4 months W2 Hourly Rate: $70/hr. Benefits available ALTA IT Services is staffing a 4-month+ contract opening for an experienced API Integration Developer... 
    Hourly pay
    Contract work
    Remote work

    System One

    Alexandria, VA
    15 hours ago
  •  ...Lead end-to-end design of excellent solutions for client problems: develop high-fidelity diagrams, data schemas, integration guides,...  ...aligned with best practices and technical standards, including: API design, data pipelines, and containerized deployments; ensure compliance... 
    Full time
    Part time

    Orbis Corporation

    McLean, VA
    4 hours agonew
  • $225.4k - $257.2k

     ...experimenting and using emerging AI technologies to revolutionize how developers build, test, and deploy software. As a Capital One...  .../PyTorch frameworks, Retrieval-Augmented Generation (RAG), and API Integration via Chaining Agents (e.g. APIChain) ~1+ years of experience... 
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    Part time
    Internship
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    Capital One

    Mc Lean, VA
    2 days ago
  • $226k - $257.9k

     ...next, about how we can innovate and inspire, and about how we can develop the tools our customers need to improve their financial lives -...  ...programmatic data access and analysis from the Admin Reports API, creating custom dashboards and automated alerts. Manage and... 
    Full time
    Part time
    H1b
    Local area

    Capital One

    Mc Lean, VA
    2 days ago
  • $193.4k - $220.7k

     ...ecosystem of mobile devices including Watch, TV, and whatever future developments Apple or Google creates. Our engineers are provided with top of...  ...local sprint team across various disciplines (Android, iOS, APIs, Web, etc.) Own and lead delivery of major components and... 
    Full time
    Part time
    Internship
    H1b
    Local area

    Capital One

    McLean, VA
    3 days ago
  • $160k - $200k

     ...experience with the following: Proficiency in Python or Go for security automation and scripting. Experience working with RESTful APIs to automate security assessments and mitigation processes. Strong understanding of NIST SP 800-53, the Authority to Operate (ATO)... 
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    OMW Consulting

    McLean, VA
    2 days ago
  •  ...assessments of network and platform components, and mitigate risks. • Develop security automation that meets industry best practices •...  ...or Go programming language • Experience working with RESTful APIs to automate security assessments and mitigation processes • Experience... 
    Full time

    DCI Solutions

    McLean, VA
    15 hours ago
  • $121.56k

     ...Application Security Engineer to be the security expert for 75+ developers who build the core systems behind Swift's global financial...  ...teams need it, and you'll also do centralized security reviews for APIs, identity systems, and authentication frameworks. What to expect... 
    Part time
    Overseas

    Swift

    McLean, VA
    4 hours agonew
  • $193.4k - $220.7k

     ...ecosystem of mobile devices including Watch, TV, and whatever future developments Apple or Google creates. Our engineers are provided with top of...  ...local sprint team across various disciplines (Android, iOS, APIs, Web, etc.) Own and lead delivery of major components and... 
    Full time
    Part time
    Internship
    Local area

    Capital One

    Falls Church, VA
    4 hours agonew
  • $190k - $230k

     ...completely new solutions, or modernizing existing applications * Developing quick UI prototypes when necessary to showcase next-gen...  ...mockups and other UI prototypes * Extensive knowledge of REST APIs, JSON processing, JSON Web Tokens * Experience with NPM, Node... 

    Sunfire Solutions

    Fairfax, VA
    1 day ago
  • $115.9k - $132.2k

     ...We are seeking Platform Engineers who are passionate about developing highly-resilient, fundamentally-sound objects to support the Human...  ...solutions At least 2 years of experience working with APIs within the Workday environment using REST or SOAP Preferred... 
    Full time
    Part time
    H1b
    Local area

    Capital One

    McLean, VA
    3 hours agonew
  • $127.5k - $145.5k

     ...are seeking WorkDay Platform Engineers who are passionate about developing highly-resilient, fundamentally-sound objects to support the...  ...integration solutions At least 2 years of experience working with APIs within the Workday environment using REST or SOAP... 
    Full time
    Part time
    Local area

    Capital One

    McLean, VA
    3 hours agonew
  •  ...Insight Global is looking to bring on a Mid Angular UI Developer in support of a federal contract. The Developer will be responsible to...  ...Experience with SQL and relational databases Knowledge of RESTful APIs and basic backend integration Knowledge of Networking 3+... 
    Contract work
    Part time

    Insight Global

    Fairfax, VA
    3 hours agonew