API jobs

Remote

•

Today

Integration Architect 6 months, Contract to hire 100% Remote Required Qualifications Core Concepts Deep understanding of API design and REST principles (focus on why vs. how )Strong knowledge of Microservices architecture and SOADomain-Driven Design () and canonical data modelingAPI-first development using OpenAPI 3.0Event-driven and loosely coupled architecturesStrong design thinking, analytical reasoning, and problem-solving skillsAbility to clearly communicate design intent, trade-offs, a

Easy Apply

Contract

$70 - $80

API Customer Experience Professional

Minneapolis, Minnesota

•

Today

Join our team as an API Customer Experience Professional, where you'll play a crucial role in enhancing digital experiences and ensuring the successful launch of APIs. Collaborate with diverse teams to drive innovation and maintain high standards of security and reliability. Responsibilities Guide product teams in preparing APIs for launch, ensuring compliance with enterprise standards. Facilitate a seamless partner experience by addressing documentation and support gaps. Implement standards a

Full-time

USD 23.00 - 55.00 per hour

Senior Mainframe API Developer

Hybrid in Hartford, Connecticut

•

6d ago

Hybrid role urgent client needs Senior Mainframe API Developer Senior Mainframe API Developer (z/OS Connect) Hartford, CT 06103 Hybrid 6 Months Must Have Skills: 5+ years of experience in IBM z/OS application development (multiple client engagements). Hands-on experience with z/OS Connect Enterprise Edition. Proven experience with: o Inbound APIs: Cloud z/OS Connect CICS and/or IMS o Outbound APIs: CICS Cloud-based REST APIs Strong knowledge of CICS TS and/or IMS TM environments. Experience work

Easy Apply

Contract

$60 - $65

Direct Client // SDET (UI & API Automation)

Hybrid in Dallas, Texas

•

Today

Job Title: Software Development Engineer in Test (SDET) Location: Westlake, TX (Hybrid) Required Skills Strong hands-on experience with Java Expertise in Selenium WebDriver for UI automation Experience designing and building API automation frameworks using Rest Assured Strong experience with DB2 testing and database validation Job Summary We are seeking a highly skilled SDET with strong experience in UI and API automation framework design and development. The ideal candidate will have expertise

Easy Apply

Contract

Depends on Experience

Integration Architect and API Lead

Arlington, Virginia

•

Today

Job Number: R0238682 Integration Architect and API Lead The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact on national security? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. As a systems engineer on our team, you

Full-time

USD 86,800.00 - 198,000.00 per year

Technical Service Owner(AS400/API)

Remote

•

Yesterday

Job Role: Technical Service Owner(AS400/API) Location: Remote Job Description: Must Have Technical/Functional Skills Technical Service Owner, with ability coordinate across customer stakeholders and guide project team, and with ability to provide hands on expertise for coding and debugging tasks. Technical Skills: .Net Core, AS400 / API, REST API, Salesforce REST API and platform event integration, OAuth 2.0 / JWT authentication and API key management / RBAC, OpenAPI / Swagger contract document

Easy Apply

Full-time

$80,000 - $100,000

API Architect

Hybrid in Phoenix, Arizona

•

20d ago

13+ years of IT experience.Design API-first architecture using REST, GraphQL, and gRPC.Define API gateway patterns (Apigee, Kong, AWS API Gateway).Implement security standards (OAuth2, mTLS, rate limiting, throttling).Design versioning, lifecycle, and deprecation strategies.Build scalable API ecosystems supporting microservices.Define API governance and developer portal strategies.Work with event-driven APIs and async patterns.Optimize APIs for latency, throughput, and caching.Implement observab

Easy Apply

Contract, Third Party

Depends on Experience

AI Tool Development Software Engineer -NLP Chatbot- OpenAI's API

Philadelphia, Pennsylvania

•

Today

AI Tool Development Software Engineer Join our dynamic team where innovation meets impact! We are seeking a Senior Software Developer to pioneer AI tool development and optimize in-house and third-party applications, enhancing operational efficiencies across diverse fields. Be a part of a collaborative environment, working alongside experts to create best-in-class technical solutions while growing both personally and professionally. **Key Qualifications:** - Bachelor's degree in Computer Science

Easy Apply

Full-time

Java Developer with API Testing Experience ( Cupertino,CA)

Cupertino, California

•

Today

Responsibilities Creating new tests to verify APIs built by third-party partners to ensure they correctly implemented Apple Pay features Defining test coverage for new features, creating and maintaining automated server test cases, reporting test results Contributing to the design and development of testing tools Prioritizing, scheduling, and communicating the status of your work Diving deep to resolve highly technical issues in complex systems Triaging automation failures and driving them to qu

Easy Apply

Third Party, Contract

Depends on Experience

Senior DOT NET Developer with experience on creating APIs

Hybrid in Dallas, Texas

•

Today

We are looking for a highly skilled and experienced Senior .NET Developer to join our development team. The ideal candidate will have a strong background in designing and developing scalable, secure, and high-performing APIs using .NET technologies. You will be responsible for end-to-end API development and integration, collaborating with cross-functional teams to deliver high-quality solutions. Key Responsibilities: Design, develop, and maintain RESTful APIs using ASP.NET Core/.NET Framework. W

Easy Apply

Contract, Third Party

Depends on Experience

Integration Architect (ETL + Middleware + API + Reporting)

Dallas, Texas

•

Today

Job Title: Integration Architect ETL, Middleware, API & Reporting Location: Dallas, TX Duration: Long Term Job Description: We are seeking an experienced Integration Architect to design and manage data and system integrations across ETL, middleware, APIs, and reporting platforms. The role involves building scalable integration solutions, ensuring seamless data flow, and supporting business intelligence needs. Key Responsibilities: Design and implement ETL, API, and middleware integrations Ensure

Easy Apply

Contract

Depends on Experience

Portfolio Accounting API Software Engineer

Boston, Massachusetts

•

7d ago

Multiple openings - work is onsite (not remote) at client office in metro-Boston area. We are building a next gen portfolio and investment accounting system. General skillsets: Work w Blitzy a plus as we are leveraging across the board Senior backend / fullstack engineer (Java, Spring Boot)React (working knowledge; lightweight UI / operational screens)Microservices with Event streaming & messaging (Kafka / Azure Event Hubs)API design (REST and messaging contracts, schema & versioning)Relational

Contract

Depends on Experience

Product Manager - Card Functionality & API's (Hybrid NYC)

New York, New York

•

Today

Job Title: Product Manager - Card Functionality & API's Location: Hybrid NYC 3 days a week in office in Midtown. Our client is a global leader in financial services, dedicated to delivering seamless digital experiences for millions of customers. This technology-driven organization is currently scaling its consumer-facing digital platforms, specifically focusing on its co-branded credit card ecosystem. This is a long-term contract opportunity through February 2027 based in New York City, requiri

Easy Apply

Contract

$55 - $70

Senior Lead Product Manager (API/Mobile)

Scottsdale, Arizona

•

Today

At Early Warning, we've powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle , Paze , and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and protect transactions for hundreds of millions of consumers and small businesses. Positions located in Scottsdale, San Francisco, Chicago, or New York follow a hybrid work model to allow for a more collaborative working env

Full-time

USD 150,000.00 - 200,000.00 per year

API Engineer

North Carolina

•

Today

Senior API Engineer Charlotte, NC (Hybrid - 3 days onsite / 2 days remote) Onsite/Hybrid Compensation: $68/hour ABOUT THE ROLE Join a high-impact API Platform team within a leading financial services organization in Charlotte, NC. As a Senior API Engineer, you will take end-to-end ownership of mission-critical APIs that power consumer-facing money movement and account services, supporting tens of billions of transactions annually. This role offers the opportunity to lead greenfield API deve

Contract

$65.00 - $70.00

API Tech Lead

Denver, Colorado

•

Today

Job#: 3032600 Job Description: API Tech Lead Location: 100% REMOTE (US) Employment Type: Contract Role Overview The ideal candidate is a Ruby engineer and technical leader who can balance hands-on development with team leadership. The person in this role is responsible for leading a technical team through the design, development, and maintenance of Application Programming Interfaces (APIs) that enable communication between different software systems. Key Responsibilities Lead the design an

Easy Apply

Full-time

API Senior Software Engineer

Milwaukee, Wisconsin

•

Today

Job#: 3031195 Job Description: Our great client in Downtown Milwaukee has an immediate opening for a API Software Engineer. If you are interested please apply with resume to . Collaborate with the API Enablement team to build and maintain enterprise-grade internal tooling, API governance automation, and developer experience platforms. Contributes to the design and delivery of cross-cutting technical solutions - including API quality enforcement engines, SDK generators, and the enterprise API cat

Easy Apply

Full-time

FS Springboot Rest APIs

Westlake, Texas

•

Today

RESPONSIBILITIES: Kforce has a client in Westlake, TX that is seeking a FS Springboot Rest APIs. Summary: In this role, you will design, build, and deliver complex software systems end to end, taking ownership of implementation details and technical quality. You will contribute directly to code, make thoughtful design decisions, and help evolve our systems through practical innovation. The ideal candidate is passionate about crafting well-designed solutions, comfortable working deep in the code

Contract

$68 - $78 hourly

API lead - Need Local To Illinois - W2 Position

Schaumburg, Illinois

•

5d ago

Role - API lead Location: Schaumberg IL (onsite) Technical Skills Strong experience with API and integration platforms (MuleSoft, API Gateways, Java APIs, Azure APIM). Solid understanding of enterprise middleware and messaging systems. Experience with Azure cloud ecosystem (Azure preferred). Familiarity with CI/CD, DevOps pipelines, and operational monitoring tools. Leadership & Delivery Skills Proven onsite leadership experience in large enterprise programs. Strong ownership of transitio

Easy Apply

Contract

$40 - $55

API Developer

Columbus, Ohio

•

Today

Description Position Overview We are seeking a highly skilled Senior Software Engineer to design and implement complex IT solutions aligned with an enterprise architecture roadmap. This role requires a hands-on technical leader capable of delivering scalable, high-quality software while partnering with business and technology stakeholders to drive impactful solutions. The ideal candidate will bring deep expertise in Java development, microservices architecture, integration platforms, and DevOp

Easy Apply

Contract

USD 55.00 - 60.00 per hour

Filter Results

Job post features

Posted date

Work settings

Employment type

Distance

Employer type

Work authorization