API jobs in District of Columbia

Washington, District of Columbia

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2d ago

Job Title: Senior Drupal developer Location: Washington DC Duration: 12 Months Contract With potential extension Prior experience with development and deployment of Drupal websites. Prior experience with user-centric design for web applications. Prior experience with API design and development. Prior experience with data visualization and display. Prior experience with developing data dissemination platforms, preferably for statistical agencies.

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Contract

Depends on Experience

Sr. Microfocus Cobol Developer with Strong API exp. & Annuity Life insurance Domain

Remote

•

Yesterday

Position : Sr. Microfocus Cobol Developer with Strong API exp. & Annuity Life insurance experience Location : REMOTE Duration : 12+ Months Technical Tools and Systems We use Microsoft Micro Focus Visual COBOL with Visual Studio.Our systems include repetitive payment systems and policy link systems.File transfers are managed with MOVEit.API Connect is used for API calls. Roles and Responsibilities We're also looking to expand our annuities product portfolio across the company.IT Structure and

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Contract, Third Party

Depends on Experience

Full Stack SW Engineer

Reston, Virginia

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16d ago

Estuate Inc. is hiring for 2 Contract role - Full Stack SW Engineer , onsite at Reston VA Duration : 12 Months 1) Requires bachelor's degree (or international equivalent) in Computer Science or Information Systems with 2-5 years of relevant work experience; or 6-9 years of relevant work experience without a bachelor s degree. experience with NodeJS, Reactjs, React-Native and GraphQL. Good Understaing of Front End and Back end RESTful API principles. Familiarity with version control systems, par

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Contract

$44 - $66

API Developer-QNXT

Remote

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9d ago

Role: QNXT API Developer Location: Remote Duration: Long Term Contract Must Have's: QNXT, .Net, Kafka, and SQL Core Responsibilities: The QNXT API Developer will be sponsible for designing, developing, and maintaining applications within the QNXT framework, with a focus on API integrations, particularly between QNXT and other healthcare systems or portals such as Optum, that will provide seamless data exchange. They will work with technologies like , .NET Framework, and SQL Server, and often nee

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Contract, Third Party

$50 - $60

API Engineer

Remote

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19d ago

Hi, Please find the JD below and let me know your interest. Thank you.. Essential Job Functions: Utilize the software development lifecycle to implement technology solutions that create and enhance applications. Inspect, analyze, and translate functional and non-functional requirements into technical design, application code, and configuration parameters. Produce design specifications, including screen layouts, graphical user interfaces, and printed outputs developed for self and others. Convert

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Contract

$60 - $65

Senior Java API developer-100% Remote

Remote

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5d ago

Greetings from Javen Technologies Inc., No C2C, No C2C, No C2C Job Title: Senior API Developer Location: Cincinnati, OH-100% Remote Duration: 5 months contract Job Description: Full lifecycle application development.Designing, coding and debugging applications in various software languages.Software analysis, code analysis, requirements analysis, software review, identification of code metrics, system risk analysis, software reliability analysis.Object-oriented Design and Analysis (OOA and OOD).

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Contract

Depends on Experience

Business Systems Analyst API Integration (Banking Domain)

Remote

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6d ago

Job Title: Business Systems Analyst API Integration (Banking Domain)Location: RemoteDuration: Long TermExperience Required: 9+ YearsJob Description:We are seeking a highly skilled Business Systems Analyst (BSA) with strong experience in API integration, API documentation, and manual API testing, specifically within the banking and financial services domain. The ideal candidate will act as a liaison between business stakeholders and technical teams, ensuring that API solutions align with business

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Contract

Depends on Experience

Backend API Engineer

Remote or Hybrid in Miramar, Florida

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Today

Title: Backend API Engineer Location: Remote Duration: 12 months Compensation: $65.00 -70.00/hr Work Requirements: , Holders or Authorized to Work in the U.S. Backend API Engineer Design, develop, and maintain scalable RESTful APIs and GraphQL APIs using modern frameworks and best practices. Develop backend services using Node.js (Express/Nest.js), FastAPI (Python-based services), Ariadne (GraphQL APIs), and Golang (Streaming services). Integrate with Databricks to expose and manage OLAP (Onlin

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Contract

BASED ON EXPERIENCE

ETL Developer | ETL Analyst (APIs)

Remote or Des Moines, Iowa

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Today

Description We are looking for an experienced ETL Developer | ETL Analyst (APIs) to join our team in Des Moines, Iowa. In this contract role, you will play a key part in integrating ERP systems and collaborating with business stakeholders to gather and translate requirements into actionable solutions. This position requires a strong technical background in data extraction, transformation, and loading processes, as well as proficiency in API development and management. Responsibilities: Design a

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Contract

Senior Full Stack Developer (Python + JavaScript + API Integration)

Remote or North Carolina

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5d ago

Job Title: Senior Full Stack Developer (Python + JavaScript + API Integration) Location: Remote Job Type: Full-time Experience Level: Senior (8+ years) Job Summary: We are seeking a highly experienced Senior Full Stack Developer with a strong command of Python, JavaScript, and API integration to design and build high-performance web applications. The ideal candidate should have expert-level proficiency in backend development using Python, advanced front-end experience with JavaScript framewo

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Full-time

Technical Writer (Python, APIs, Developer documentation)

Remote

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Today

Job Description Title: Technical Writer (Python, APIs, Developer documentation) REMOTE 6 months Overview We are seeking an experienced Technical Writer to join our team on a contract basis to help document our suite of technical products and developer tools. This role will be instrumental in creating clear and comprehensive documentation that enables developers and organizations to effectively integrate and utilize our technologies. Our current projects include documenting the Model Context Pr

Contract

QNXT API Developer - Remote PST

Remote

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9d ago

Job Title: QNXT API Developer Location: Remote - PST preference Experience: 14+ Years Must Have's: QNXT API Development, .Net, Kafka, and SQL Core Responsibilities: The QNXT API Developer will be sponsible for designing, developing, and maintaining applications within the QNXT framework, with a focus on API integrations, particularly between QNXT and other healthcare systems or portals such as Optum, that will provide seamless data exchange. They will work with technologies like ASP.NET, .NET Fr

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Contract, Third Party

Depends on Experience

Platform Business Analyst (SQL/Snowflake/API)

Remote

•

Today

Salary Range: $81,000 - $115,000 Job Posting End Date: September 1 , 2025 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workpla

Full-time

USD 81,000.00 - 115,000.00 per year

Java Developer (API)

Vienna, Virginia

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Today

Title: Java Developer (API) Location: Vienna, VA, Pensacola, FL, San Diego, CA (HYBRID) Duration: Initial 6-month with potential extensions Compensation: $55.00 - $60.00/hour Work Requirements: , Holders or Authorized to Work in the U.S. Skillset / Experience: A Java developer to develop APIs (microservice architecture) from scratch. 1. Expertise in Java and related frameworks 2. Knowledge of web development and RESTful APIs 3. Strong debugging and testing skills Looking for candidates with 4+

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Contract

BASED ON EXPERIENCE

Solution Architect with WPF, C#. Web API experience - REMOTE

Remote

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3d ago

Job Title: Solution Architect with WPF, C#. & Web API experience Location: Fully Remote Duration: Long Term Contract Pay Rate: DOE No Third Party JOB DESCRIPTION Client is seeking a highly skilled and experienced Solution Architect to support enterprise-level initiatives with a focus on healthcare payer systems. The ideal candidate will bring a strong background in legacy systems, modern cloud technologies, and emerging AI capabilities to help design and guide scalable, secure, and innovative

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Contract

Depends on Experience

API & Kafka Automation Engineer (Python Backend)

Remote

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6d ago

Job Title: API & Kafka Automation Engineer (Python Backend) NYC - Remote Job Description: We are seeking an Automation Engineer with expertise in API testing, Kafka, and Python backend development. The role involves building automated test frameworks, validating Kafka data streams, and ensuring the performance and reliability of APIs and backend systems. Key Skills: Strong experience in API automation and Kafka (producers/consumers).Proficient in Python for scripting and backend logic.Hands-on w

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Contract

$60 - $70

Backend Developer (Node.js, Python, FAST API)

Remote

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12d ago

Hi, We are Photon, one of the world's largest Digital Platform Engineering company providing a combination of Strategy Consulting, Creative Design and Technology Services to a wide range of customers. We work with 40% of the Fortune 100 companies. And, we have a repertoire of niche products and experiences that we have designed and built for businesses to fully empower their digital transformation. Check out our video at Job Description: Backend Developer (Node.JS , FAST API , Python)RemoteHeal

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Contract

Depends on Experience

Backend .NET API Developer (Health Care) - Remote

Remote

•

12d ago

Title: Senior Backend .NET API Developer Client : Augusta Location: REMOTE Duration: 3 Months with Possible Extension Work Hours: 40hrs/week Key Responsibilities API Development & Architecture AWS DynamoDB Expertise Cloud & Infrastructure Required Qualifications Technical Skills 10+ years of professional software development experience. Strong experience in .NET Core / ASP.NET Core, C#, and object-oriented programming. Proven expertise in AWS DynamoDB (data modeling, performance tuning, and oper

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Third Party

$50 - $55

Direct Client:: W2 Contract:: Need FHIR Java Integration Developer with Strong FHIR (R4,R5), CMS, RESTful FHIR APIs, HIPAA & OAuth 2.0 Experience:: 100% Remote

Remote

•

2d ago

W2 contract to Fulltime position No Sponsorship required Job Title: Sr. Integration Developer (Sr. FHIR Developer) Location: Jacksonville, FL (100% Remote role) Duration: Long Term Project: New Medicare services project based on HL7/FHIR Job Description: In this role, you will work with clients to understand business requirements, gather information about various source systems, and build the actual integrations which connects their data sources together. As an integration s developer, you will

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Contract

Depends on Experience

Backend Developer (NodeJS + Python and Fast API)

Remote

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17d ago

Key Responsibilities: Design, develop, and maintain resilient and scalable microservices using Python with the FastAPI framework.Build and integrate efficient RESTful APIs and microservices to support various frontend and internal systems. Leverage your strong Node.js background to contribute to existing services and potentially develop new ones.Collaborate closely with cross-functional teams, including frontend developers, product managers, and DevOps engineers, to deliver high-quality, end-to-

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Contract

$40 - $50

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API jobs in Washington, DC, USA