API Developer jobs in District of Columbia

Hybrid in Sterling, Virginia

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Yesterday

We are seeking a highly experienced Senior Node.js API Developer with over 7 years of expertise in building and maintaining scalable, secure, and efficient backend systems. The ideal candidate will be responsible for designing, developing, and optimizing RESTful APIs and microservices, collaborating with cross-functional teams to deliver high-quality solutions, and ensuring the performance and security of our backend infrastructure. Qualifications: 7+ years of professional experience in Node.js

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Contract

$60 - $65

Senior Node.js API Developer

Hybrid in Sterling, Virginia

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4d ago

We are At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development in

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Full-time, Third Party

Depends on Experience

Backend .NET API Developer (Health Care) - Remote

Remote

•

Today

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

Gloo Envoy API Gateway Lead Developer /Architect

Remote or Hybrid in Alpharetta, Georgia

•

Today

Must Have skills: Gloo Gateway Any other Envoy-based API Gateway Experience Java Programming React Kubernetes & Container Orchestration Microservices GitOps & Configuration Management JD: Job Title: Gloo Envoy API Gateway Lead Developer /Architect Position Overview: We are seeking a talented and motivated Developer to join our team in building a new API Gateway Platform. The ideal candidate will have experience in developing self-service tools and abstractions for onboarding new APIs, as well as

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Full-time

Depends on Experience

.NET Core API Developer - III (Remote)

Remote or Wisconsin

•

Today

DivIHN (pronounced divine ) is a CMMI ML3-certified Technology and Talent solutions firm. Driven by a unique Purpose, Culture, and Value Delivery Model, we enable meaningful connections between talented professionals and forward-thinking organizations. Since our formation in 2002, organizations across commercial and public sectors have been trusting us to help build their teams with exceptional temporary and permanent talent. Visit us at to learn more and view our open positions. Please apply o

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Contract

Full Stack .NET/API Developer

Remote

•

2d ago

Full Stack .NET/API Developer Location: Remote (Quarterly travel required) Eligible States: AL, GA, ID, LA, MO, OK, SC, TN, TX, UT, WI Type: 6-Month Contract-to-Perm About the Role We are seeking an experienced Full Stack .NET/API Developer for a 6-month, contract-to-perm opportunity. In this role, you will design, develop, and maintain innovative software solutions that drive operational excellence. You ll collaborate across teams, applying modern tools and best practices to deliver high-qualit

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Contract

$65 - $85

Java Full Stack Developer with React-Focused | Strong PL/SQL | RESTful APIs | microservices | Minimal Angular

Oakton, Virginia

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2d ago

Java Full Stack Developer with React-Focused | Strong PL/SQL | RESTful APIs | microservices | Minimal Angular Location: -100% onsite position. Location: Oakton , VA preferably . 2nd preference : Middletown, NJ. Experience Level: Senior (10+ years preferred) Discussions with Client to get the User / Business Requirements Translate User / Business Requirements to Technical Requirements Design and develop responsive web applications using React.js as the primary frontend framework.Maintain and

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Full-time

$50 - $55

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

Remote

•

2d ago

Role : Backend Developer (Node.js, Python, FAST API). Location : Remote: Required Skills: Backend, NodeJS, Python, Fast API, NoSQL, Restful. What will you do? What are we looking for? 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

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Third Party, Contract

$50+

Backend Developer (NodeJS + Python and Fast API)

Remote

•

2d 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

Back End Python API Developer

Remote

•

Today

Description: **100% Remote** Back-End Python Developer as part of a Data Engineering Team responsible for developing APIs for a Data Visualization Tool. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Pay: $65 - $70/hr W2 Responsibilities: Hands-on Back-End Python Developer to help build a highly c

Contract

Compensation information provided in the description

DevOps Tools and API Developer

Remote or Boulder, Colorado

•

Today

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role As a DevOps Tools and API Developer at Kyndryl, you'll solve complex problems and identify potential future issues across the spectrum of platf

Full-time

USD 93,360.00 - 177,360.00 per year

Web API Developer

Remote or Somerville, Massachusetts

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Today

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par

Full-time

Sr. API Developer

Remote or Schaumburg, Illinois

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Today

Zurich North America seeks a Sr. API Developer to work with MuleSoft or Azure platform components such as application program interface (API) Manager, Runtime Manager, Cloud Hub components, and Any Point Studio to successfully integrate Zurich's set of routines, protocols, and tools for building software applications into other applications. This position will preferably be located in our corporate office in Schaumburg, IL and we are open to the option to work remotely as well. Specific duties

Full-time

USD 98,300.00 - 161,000.00 per year

Cloud Developer (Mid-level)

Washington, District of Columbia

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4d ago

Position: Cloud Developer (Mid-level) - OnsiteWork Location: Washington, D. CDuration: Long TermFull Time Employment ) Note: Resource MUST BE on GITSUS PayrollMust have Skills: 8-10 years of hands-on experience in software development, debugging, and application maintenance. Should have expertise in one or more of Cloud platforms (AWS, Azure, Google Cloud Platform) and Containerization (Docker). Proficiency in one or more programming languages such as Java, Python, C#, or JavaScript. Familiarit

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Full-time

Depends on Experience

Remote Mulesoft Lead Developer with Healthcare

Remote

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6d ago

Note : GCEAD, L2EAD, consultant can apply for this position who can work on W2. Job Descriptions Below: Certified Mulesoft developer with Health care knowledge mandatory Mulesoft API developer familiar with CICD pipeline developmentResource should have 10+ Years of experienceExperience with mulesoft both on Cloud and on premHealthcare domainExperience in supporting at platform/infra layer would be preferredStrong communication skills Regards, Deepak Kumar Infinite | Exciting timesinfinite pos

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Full-time

Depends on Experience

Cloud Enablement Data Framework / Integration Developer (451486)

Remote

•

29d ago

Cloud Enablement Data Framework / Integration Developer | 451486 DETAILS Location: 100% Remote Position Type: 6M Contract (w/ likely extensions and the possibility to convert to fulltime) Hourly / Salary: BOE! Rates are flexible, based on experience. $80W2++ JOB SUMMARY Vaco Technology is currently seeking a Cloud Enablement Data Framework / Integration Developer for a 6M Contract (w/ likely extensions and the possibility to convert to fulltime) that is 100% remote. The Cloud Enablement Data Fra

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Contract

$150

Senior Java Backend Developer

McLean, Virginia

•

Today

Position: Senior Java Backend Developer Location: McLean, VA (Onsite) Work Type: C2C Experience: 10+ Years PETADATA is seeking a seasoned Senior Java Backend Developer with over 10 years of experience in designing and building robust, scalable, and secure backend systems. The ideal candidate will bring deep expertise in Java, particularly with frameworks like Spring Boot, and have strong experience in microservices architecture, API development, and enterprise-grade application development.

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Full-time, Third Party, Contract

Full Stack Java Developer

Remote or Hybrid

•

Today

Our client, a top government systems integrator, is seeking to hire a Java API Developer on a 100% remote contract basis, with conversion to FTE after 6 months. Must be able to work on W2. Responsibilities: Develop front and back-end application components and APIs to support development and enhancement of cloud-based solutions, and support integration testing to validate claims processing workflow. Participate in sprint ceremonies such as backlog refinement, sprint planning, daily stand up, re

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Contract

$52 - $52 per hour

ForgeRock Developer

Washington, District of Columbia

•

Today

ForgeRock Developer Location: Washington, DC (Onsite from Day 1, no remote or hybrid) Duration: Full Time / Direct Hire Experience: 10+ Years Key Responsibilities: Architect, design, and implement customized ForgeRock Identity Management (IDM) solutions based on business needs. Lead user onboarding, access provisioning, and application integration using ForgeRock IDM. Develop IDM modules using Groovy, Java, JavaScript, and shell scripting to support business logic and automation. Build, configur

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Full-time

$120,000 - $140,000

Technical Delivery Manager - Level 2 API Support

Vienna, Virginia

•

Today

Job Title: Technical Delivery Manager - Level 2 API Support Location: REMOTE Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description We are seeking a seasoned Technical Delivery Manager to oversee our client's Level 2 API support operations within a high-stakes, 24x7x365 production environment. This role is critical to ensuring the stability, performance, and continuous improvement of our enterprise API services, which are integral to our banking operations.

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Full-time

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API Developer jobs in Washington, DC, USA