API jobs in District of Columbia

Washington, District of Columbia

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Today

Job ID: 2510564 Location: WASHINGTON, DC, US Date Posted: 2025-10-06 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking Software Engineer API Developers to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development Operations (DevOps) and Sustainment Support (ADOS) program

Full-time

USD 80,001.00 - 120,000.00 per year

Senior API Platform Software Engineer

Hybrid in Arlington, Virginia

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Today

Job Number: R0225126 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-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer

Full-time

USD 86,800.00 - 198,000.00 per year

API Documentation Engineer

Arlington, Virginia

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Today

API Documentation Engineer Mid-Senior Consultant Documents APIs and payload specifications ensuring OpenAPI 3.0 alignment and data model consistency. <>Key Responsibilities Create and maintain Swagger/OpenAPI specifications and developer guides. Work with developers to validate API endpoints and payloads. Perform schema validation and ensure data model compliance. <>Required Expertise 5 8 years in API documentation or software integration. Mandatory: Health IT or healthcare interoperability

Part-time, Full-time, Contract, Third Party

Senior Full Stack Developer - Angular, NodeJs and REST API

Herndon, Virginia

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Today

Title: Senior Full Stack Developer - Angular, NodeJs and REST APILocation: Herndon, VAJob Description:Required Skill Set: Must have hands-on experience in Angular with 8+ years of experienceExperience in building and using REST API using NodeJSMust have hands-on experience in writing unit test cases using chai mocha/jasmine/karma Experience in using docker Must have experience in designing and developing the applications Strong understanding of object-oriented programming. Experience in triagin

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Third Party, Contract

Depends on Experience

API Software Engineer

Remote or Rock Island, Illinois

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Today

Description Are you passionate about building engineering automation tools and working with cutting-edge technology? A growing team is looking for a Revit API Software Engineer to help develop and enhance a robust library of applications that streamline design workflows. Call or email Shania Lewis to apply (email is on LinkedIn). Responsibilities: Develop and maintain the codebase for Revit Layer applications, ensuring high-quality standards. Participate in development meetings, offering techni

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Full-time

USD 90,000.00 - 115,000.00 per year

Senior Node.js API Developer with GraphQL

Sterling, Virginia

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Today

Position: Senior Node.js API Developer with GraphQL Locations: Sterling, VA and Nashville, TN. Onsite from Day1 at either of the location. We are seeking a highly experienced Senior Node.js API Developer with 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

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Third Party

Technical Lead- CRM API INTEGRATION

Remote

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9d ago

Lead exp in CRM integration. Integration to CRM system APIs such as Redtail, Wealthbox or any CRM application is fine. Act as a lead, coordinate onshore/offshore development team. Wealth management domain expertise is desired Technical Lead -For CRM API integration Implement integration between client management application and CRM systems such as Redtail- Offshore coordination Act as central delivery lead - coordinate onshore/offshore development team and communicate updates to key stakeholder

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Full-time, Third Party

Depends on Experience

Tech Lead / Delivery Lead (API Integration)

Remote

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Yesterday

Job Title : Tech Lead / Delivery Lead (API Integration) Location : Remote Duration : 12 Months NOTE : NO H1B JD 8+ years of experience in software development and integration. Strong hands-on experience with RESTful APIs, Swagger/OpenAPI, and JSON/XML. Proficiency in Java, Spring Boot, or similar backend technologies. Experience with API gateways (e.g., Apigee, AWS API Gateway, Kong). Solid understanding of systems integration patterns (e.g., point-to-point, hub-and-spoke, ESB). Familiarity with

Easy Apply

Contract

Depends on Experience

Python API Developer

Hybrid in McLean, Virginia

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Yesterday

Job Position: Python API Developer Location: McLean/ Richmond VA - 3 days Hybrid Duration: 12 Months About the Role: We re seeking a skilled Python API Developer with strong hands-on experience in building scalable APIs and integrating AI/ML solutions. The ideal candidate should be proficient in AWS cloud services and comfortable working in modern agile teams. Exposure to Vue.js for front-end integration is a plus. Responsibilities: Design, develop, and maintain robust Python APIs.Integrate AI/M

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Third Party, Contract

Depends on Experience

FIX API Developer

Remote

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27d ago

Role :: FIX API Developer Location :: Remote / Raleigh, NC Type :: Fulltime Job Description Implementing FIX connectivity: This involves setting up and configuring connections between trading systems using the FIX protocol, ensuring proper session management (logon, heartbeat, logout), and handling message sequencing. Developing and integrating trading applications: Building applications that interact with various financial institutions using FIX messages to send orders, receive execution report

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Full-time

$100000 - $120000

OpenText Documentum Developer

Hybrid in Reston, Virginia

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24d ago

Job Title: OpenText Documentum Developer Number of Positions: 2 Position 1 Work Location: 2000 Opportunity Wy, Reston, VA 20190 Position 2 Work Location: 5600 Granite Pkwy, Plano, TX 75024 Type: Hybrid (3 Days a week in Office, 2 Days Remote) Submission Deadline: Wed (10/1) COB OpenText Documentum Developer Job Description We are seeking a seasoned professional with deep expertise in OpenText Documentum and enterprise content management systems. The ideal candidate will have the following qua

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Contract, Third Party

Depends on Experience

Sr Mobile Developer - Only W2

Hybrid in Washington, District of Columbia

•

Yesterday

Sr Mobile Developer Pay Rate : $70/hr W2 (All Incl) Work Location: Washington, DC Onsite office work Client: Amtrak 12 months Contract Required Qualifications Experience Level: 7+ years in full-stack engineering, with a strong focus on both native mobile and cloud backend development.Languages & Frameworks: Expert-level proficiency in Swift, Kotlin, TypeScript, Java 21+, and SQL. Experience with SwiftUI, Jetpack Compose, Spring Boot, and ExpressJS/NestJS.Cloud Expertise (AWS Focus): Deep hands-

Easy Apply

Contract

$65 - $70

(Only W2) :: ServiceNow Developer/Administrator :: Mclean/Richmond, VA/Plano, TX

McLean, Virginia

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Today

Requirement: 1 Role: ServiceNow Developer Location: Mclean/Richmond, VA/Plano, TX Contract: Long term Looking for 10+ years consultants who can work only on W2 CERTIFICATIONS ARE PLUS CMDB, Discovery, scripting, and Service Catalogs, ServiceNow Workflows, Service Catalog, REST/SOAP API, IntegrationHub, Flow Designer Requirement: 2 Role: ServiceNow Platform Administrator Location: Mclean/Richmond, VA/Plano, TX Contract: Long term Looking for 10+ years consultants who can work only on W2 CER

Easy Apply

Contract

$55 - $60

Programmer Standard II - Python

Hybrid in Washington, District of Columbia

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18d ago

Title: Programmer Standard II - Python Duration: 3 Months - Long Term Location: Washington, DC 20433 Hybrid Onsite: 4 days onsite per week from Day1 with a transition to 100% onsite expected soon. Skills and Experience Needed for this role: Serverless architecture experience with Azure Functions or AWS Lambda (serverless scalable design, geospatial familiarity)2. Python backend development for data management with cloud storage and database integration (familiarity with data lake/HNS)PostgreSQL

Easy Apply

Third Party, Contract

Depends on Experience

API Testing Consultant

Remote

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8d ago

For our Detroit based Energy company client we are looking for a API Testing Consultant

Easy Apply

Full-time

$45 - $55

Senior Software Engineer

Arlington, Virginia

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Today

We are looking for a full-stack software engineer to support the development of web and mobile apps for an intelligence company. This is a remote, full-time position. A high-quality candidate must be well-versed in both front-end and back-end technologies, databases, and infrastructure tools. The company's stack is TypeScript, React, React-Native, Node, and AWS. An ideal applicant would thrive in a fast-paced environment and be able to put in 40-50 hours a week. Though the position is remote, th

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Full-time

150k - 210k

Verkada API Consultant

Remote or Las Cruces, New Mexico

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Today

Description We are looking for a skilled Verkada API consultant experienced with programming (Python preferred) and knowledge of the Microsoft Graph API and Verkada APIs. This role involves developing and maintaining software solutions to enhance application functionality and automation processes. Responsibilities: Manage service accounts, including selecting accounts from an available pool and assigning active timeframes. Configure access codes and define location access for service accounts

Easy Apply

Contract

CJA Developer - Remote. Must have strong experience in Strong expertise in Adobe Customer Journey Analytics (CJA) and Analysis Workspace, AEP datasets, schemas, and connections, SQL, data transformation, and API integration.

Remote

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7d ago

Role: CJA Developer Location: Remote Roles/Responsibilities: 12+Years Configure and manage CJA connections, data views, and metrics. Integrate data from AEP and other systems into Customer Journey Analytics. Build dashboards and visualizations using Analysis Workspace. Ensure data accuracy, validation, and consistency across channels. Collaborate with business stakeholders to define KPIs and reporting needs. Optimize performance of queries and visualizations. Skillset: Strong expertise in Adob

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Contract, Third Party

Depends on Experience

Front-End Tech Owner Adobe WebSDK, Delivery API Modernization, and Identity Governance in USA - remote

Remote

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2d ago

Front-End Tech Owner Contract Position USA- remote The Front-End Tech Owner leads the modernization of Adobe Experience Cloud front-end implementation by driving the migration from legacy tagging (AppMeasurement.js / at.js) to the Adobe WebSDK (Alloy.js) framework. This role also manages hybrid Target implementations that leverage both WebSDK (client-side) and Adobe Delivery Service API v1 (server-side Target delivery). The position is responsible for guiding the transition from Delivery API v1

Easy Apply

Contract

$60 - $65

Lead Full Stack Software Engineer – API Lead for Web Team

Remote

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Today

Lead Full Stack Engineer About the Opportunity: A technology-driven organization is seeking a hands-on and people-oriented Lead Full Stack Engineer to join their growing software engineering team and lead 3-5 direct reports. This is a new position based on growth of the organization and new product lines, and will act as a hybrid technical and managerial role, driving both backend architecture and front-end delivery across critical digital platforms used in the transportation industry. The idea

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Full-time

Depends on Experience

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API jobs in Washington, DC, USA