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  • $86.8k - $198k

    Overview Job Number: R0225868 API Platform Software Engineer 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... 
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    Phase2 Technology

    Arlington, VA
    5 days 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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    Full time
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    Part time
    Local area
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    Booz Allen Hamilton

    Arlington, VA
    3 days 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
    11 hours 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... 
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    Hourly pay
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    System One

    Alexandria, VA
    3 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 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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    Part time
    Local area

    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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    Capital One National Association

    McLean, VA
    9 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
    11 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
    11 hours ago
  •  ...Designs and builds User Interfaces using modern UX/UI standards. Develops, implements, and maintains full-stack software solutions for AI-...  ...to front-end code. ~ Experience with Generative AI including API access. Preferred Qualifications: Experience with... 
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    Full time
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    ManTech

    Alexandria, 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
    11 hours ago
  • API/Java/Python Developer, Journeyman 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... 
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    Local area
    Arlington, VA
    a month 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/... 
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    Full time
    Internship
    Monday to Friday
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    Navy Federal

    Vienna, VA
    4 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
    4 days 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
    11 hours 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
    Local area

    Mapbox

    Washington DC
    11 hours ago
  •  ...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#... 
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    Remote work

    Employeenavigator

    Bethesda, MD
    1 day ago
  • $110k - $230k

    Enterprise - Software Engineer - Python, ETL, APIs Join to apply for the Enterprise - Software Engineer - Python, ETL, APIs role at...  ...facing our customers. Description We are looking for a Software Developer to support the development of an integrated solution to... 
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    Extra income
    Full time
    Temporary work
    Immediate start
    Flexible hours

    Erias Ventures

    Fairfax, VA
    11 hours ago
  • $104.65k - $189.18k

     ...We are seeking a skilled Sr. UI/UX Front-End Engineer. You will develop high-quality web applications using a state-of-the-art technology...  ...frontend unit tests. Experience with writing backend web API services especially Python. Experience coding in other languages... 
    Casual work
    Remote work
    Flexible hours

    Leidos

    Arlington, VA
    29 days ago
  •  ...posted here as they become available. FRDA is seeking a Mobile App Developer to build advanced mobile applications that integrate AI/ML...  ...shared preferences, or keychain/keystore). Familiarity with RESTful APIs, WebSocket communication, and JSON serialization. Working... 
    Local area
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    Foreign Resource Development Associates

    Arlington, VA
    4 days ago
  •  ...innovation, hard work, and support a culture of sustainability. Role 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... 
    Work experience placement
    Work at office
    Local area
    Flexible hours

    IMEG Corporation

    Washington DC
    4 days ago
  •  ...Experience diagnosing and resolving VPC connectivity issues • Develop, update, and maintain GitLab CI/CD pipeline code • Configure,...  ..., EKS) • Experience with AWS Serverless architectures (lambda, API gateway, load balancing, autoscaling) • Experience supporting development... 
    Full time
    Part time
    Work experience placement

    Gridiron IT Solutions

    Alexandria, VA
    11 hours ago
  •  ...platform security environment, which consists of commercial and custom developed security controls that run within the IDE, the CI/CD system,...  ...controls using infrastructure as code, scripting, and API integrations to scale security across all web applications in a... 
    Full time
    Work at office
    Work from home
    Monday to Thursday

    CoStar Group, Inc.

    Arlington, VA
    1 day ago
  • $145k

    Join to apply for the Senior .NET Developer/ $145k/Alexandria role at Motion Recruitment 4 days ago Be among the first 25 applicants Join...  ...Ability to build and consume Restful web services and APIs Extensive frontend development with React (Angular or Vue will... 
    Full time
    Work experience placement
    Remote work
    Flexible hours

    Motion Recruitment

    Alexandria, VA
    4 days ago
  •  ...networks within AWS; implement and diagnose VPC connectivity issues. Develop, update, and maintain GitLab CI/CD pipeline code; configure,...  ..., S3, ECS, EKS); use AWS Serverless architectures (Lambda, API Gateway, load balancing, autoscaling). Understand DevSecOps methodologies... 
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    ALTA IT Services, LLC

    Alexandria, VA
    2 days ago
  •  ...Gitlab with a passion for infrastructure automation, security, and developer experience. We offer competitive compensation and an...  ...platform engineering, DevOps, or infrastructure role Deep expertise in API solutions like Tyk or Apigee Proven experience managing and extending... 
    Work experience placement
    Flexible hours

    Koniag Information Security Services, LLC

    Alexandria, VA
    1 day ago
  • $125k - $145k

     ...your copy now for expert job search tips! Job title: Salesforce Developer - SECRET CLEARED Company: Zachary Piper Solutions Job...  ...Components, and integrate Salesforce with external systems using APIs and middleware. Optimize Salesforce performance through code reviews... 
    Second job
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    Remote work
    Flexible hours

    Tech Cratic

    Arlington, VA
    1 day ago
  • Overview We are seeking an experienced Lead Front End Developer to work on multi-domain platforms serving critical national security functions...  ...+ years of experience building frontends interfacing with REST APIs and web sockets 2+ years of experience working on a production... 
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    Scouto AI

    Arlington, VA
    4 days ago
  • $103.8k - $218.1k

     ...Opportunity The CACI team is looking to add a Senior .NET/React Developer to their growing software development contract with the...  ...using React, integrating them with .NET back-end services and APIs Qualifications Required: Bachelor’s Degree in Computer Science... 
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    Immediate start
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    CACI International

    Arlington, VA
    11 hours ago
  • $124k - $198k

     ...financial services, and technology sectors. Position: Lead PHP Developer Location: Falls Church, VA or Greenville, DE (hybrid: 2-3 days...  ...applications using PHP and the full LAMP/LEMP stack Design RESTful APIs and microservices that handle enterprise-level traffic and data... 
    Internship
    Work at office
    Local area
    Immediate start
    2 days per week
    3 days per week

    Lavendo

    Falls Church, VA
    3 days ago
  •  ...Understanding of DevSecOps methodologies and workflow Experience developing and managing CI/CD pipelines Experience with GITLAB...  ..., EKS) Experience with AWS Serverless architectures (lambda, API gateway, load balancing, autoscaling) Experience writing, maintaining... 
    Full time
    Part time
    Work experience placement
    Remote work
    Afternoon shift

    Gridiron IT Solutions

    Alexandria, VA
    11 hours ago