OpenAPI jobs in Wisconsin

MuleSoft Developer_Healthcare Domain_Remote

Remote

•

3d ago

Overview We are looking for an experienced MuleSoft Developer to design, develop, integrate, and support enterprise-level APIs and integration solutions.The ideal candidate will have strong hands-on experience with MuleSoft, API architecture, ESB, microservices, messaging middleware, API security, and healthcare/pharma domain projects.Key Responsibilities Design, develop, and implement scalable APIs and integration solutions using MuleSoft API Platform.Develop and maintain APIs integrating API P

Easy Apply

Third Party, Contract

Depends on Experience

Java Full stack Developer

Wisconsin

•

Today

Role name: Java full stack developer Work Location: Waukesha, WI This is a platform team that does backend development for MR Software for NPI. We require a contractor with this skillset: Experience working with Java/JEE, Swagger/OpenAPI and Springboot/Spring Experience working with BDD/Cucumber, GIT, Artifactory, Gradle/Maven and Docker Experience with Unix / Linux based programming Experience working on complex applications that interface with physical devices (ideally) Experience developing a

Easy Apply

Contract

$DOE

Senior AI Engineer

Remote

•

3d ago

Senior AI EngineerPosition OverviewWe are seeking a Senior AI Engineer to join a team responsible for developing the foundational platforms and services that enable agentic commerce and next-generation AI-powered digital experiences. In this role, you will work at the intersection of software engineering, cloud-native architecture, API platform development, and AI application engineering. You will design and build scalable APIs, Model Context Protocol (MCP) servers, AI agents, enterprise integra

Easy Apply

Contract

Depends on Experience

API Backend Developer/Engineer

Remote

•

6d ago

Hi All, Please find the details below Title: API Backend Location: Remote Hiring Mode: Contract This role will focus on developing scalable API products, enabling API consumers, enforcing API governance standards, and supporting secure API onboarding and consumption patterns. The ideal candidate has strong hands-on experience with REST APIs, API management, API product design, Swagger/OpenAPI documentation, security controls, and modern integration patterns, including hands-on experience buil

Easy Apply

Contract

Depends on Experience

Cloud API Architect || W2 & C2C

Remote

•

12d ago

Cloud API ArchitectLocation: RemoteExperience: 15+ YearsRole Overview: We are seeking a highly experienced Cloud API Architect to design, develop, and govern enterprise-grade API platforms for a leading banking client. This role will be responsible for defining API architecture strategy, implementing secure and scalable cloud-native APIs, and enabling seamless integration across enterprise applications, digital channels, and third-party systems. The ideal candidate will have deep expertise in AP

Easy Apply

Contract

Depends on Experience

Azure API Engineering

Remote

•

2d ago

Title: Azure API Engineering Location: Remote (USA) Role Overview The Senior API Engineer will be responsible for building and supporting scalable, secure, and high-performance APIs on Microsoft Azure. The ideal candidate will have hands-on experience with Azure API Management, Azure Functions, cloud networking, security, infrastructure automation, and CI/CD practices. Experience with MuleSoft and AI-assisted development tools is highly desirable. Key Responsibilities Design, develop, dep

Easy Apply

Contract, Third Party

$Dependence on the experience

Azure API Engineer

Remote

•

4d ago

Position: Senior API Engineer AzureLocation: Remote (USA) Rate: $55 - $59 per hour on C2C Role OverviewThe Senior API Engineer will be responsible for building and supporting scalable, secure, and high-performance APIs on Microsoft Azure. The ideal candidate will have hands-on experience with Azure API Management, Azure Functions, cloud networking, security, infrastructure automation, and CI/CD practices. Experience with MuleSoft and AI-assisted development tools is highly desirable. Key Respon

Easy Apply

Contract, Third Party

65 - 70

API Product & MCP Engineer

Remote

•

6d ago

Job OverviewWe are seeking a highly skilled API Product & MCP Engineer to design, develop, govern, and support scalable API products and modern integration solutions. This role will focus on enabling API consumers, establishing API governance standards, supporting secure API onboarding and consumption patterns, and building reliable API platforms that meet enterprise scalability, security, and usability requirements. The ideal candidate has strong hands-on experience with REST APIs, API manageme

Easy Apply

Contract

30 - 40

TypeScript/Golang Engineer

Remote

•

20d ago

Role: TypeScript/ Golang Engineer Location: Phoenix, Atlanta, or Sunrise (Remote) Duration of contract: Long Term contract Employment Type: W2 Responsibilities: Design and develop production-grade CLI tools using Golang and/or TypeScript.Build command-line experiences for API governance, review automation, developer workflows, and platform operations.Create extensible plugin architectures and SDKs for internal and external consumers.Design and implement software distribution strategies across m

Easy Apply

Contract

Depends on Experience

Apigee Architect

Remote

•

19d ago

Title-Apigee Architect Role Overview Location-Remote We are seeking an experienced Apigee Architect to lead the design, architecture, implementation, and governance of enterprise API platforms using Google Apigee. The ideal candidate will have deep expertise in API management, API security, cloud-native integration, microservices, and enterprise architecture. This role requires close collaboration with business stakeholders, architects, development teams, and DevOps to deliver secure, scalabl

Contract, Third Party

Depends on Experience

Sr. z/OS Connect Specialist

Remote

•

14d ago

Job Title: z/OS Connect Specialist Location: Remote Duration: 6-12 months Contract (with possible extension) Key Responsibilities Install, configure, customize, upgrade, and maintain IBM z/OS Connect environments.Perform end-to-end administration of z/OS Connect Enterprise Edition, including runtime setup, server configuration, API/service deployment, security configuration, and operational support.Configure and manage z/OS Connect server.xml, started tasks, runtime libraries, configuration fil

Easy Apply

Contract

Depends on Experience

Software Developer

Remote

•

9d ago

Software Developer AI Developer Skills Required: Python, FastAPI, AWS, PostgreSQL, Async Programming, Background Job Orchestration, Distributed Systems, Retrieval-Augmented Generation (RAG), Vector Search, Embeddings, Multi-Tenant Architecture, RBAC, Audit Logging, LangGraph, Agentic Workflows, Tool-Calling, State Machines, Human-in-the-Loop Approval Patterns, LLM Cost Optimization, Prompt Engineering, Eval Design, API Design, Schema-Driven APIs, CI/CD Plus: Amazon Bedrock, OpenAI, Anthropic, La

Easy Apply

Contract

Depends on Experience

Full Stack Developer II

Remote

•

2d ago

NOTE: Must have Retail/ E-Commerce exp. Tell us about your department: EIP Enterprise Information Protection Project Description: Developing application and building system integrations Position Summary/Job Description: Developer Skills Overview: What are the top five skills and number of years of experience required to perform this job? Design, develop, and maintain highly scalable, secure, and resilient microservices using Java, Spring Boot, and cloud-native technologies, ensuring high perfor

Easy Apply

Contract

Depends on Experience

Principal Architect - Node.js, TypeScript, React, experience using AI Agent tools || Remote || W2 & C2C

Remote

•

2d ago

Job Description:We are seeking a Principal Architect with strong hands-on experience in Node.js, TypeScript, React, API architecture, and AI Agent technologies to lead architecture initiatives for an API Discovery, Inventory & Rationalization workstream. The ideal candidate will have deep expertise in modern application architecture, API ecosystems, enterprise integration, and AI-assisted engineering. This role will define architecture patterns and technical strategies for discovering, catalogin

Easy Apply

Contract, Third Party

60 - 65

Staff Software Engineer - Python / Django

Remote

•

12d ago

As a Staff Software Engineer you will be part of the new Product Engineering team tasked with designing and building the next generation of Agentic AI-powered products. Acting as the Technical Lead and Primary Architect, you will be a hands-on leader responsible for the teams overall delivery. You will lead a small team by decomposing complex product requirements into actionable tasks, providing technical mentorship, and guiding the architectural direction while remaining deeply embedded in the

Easy Apply

Full-time

140,000 - 180,000

Lead z/OS Connect Specialist / System Administrator

Remote

•

9d ago

We're seeking for an Lead z/OS Connect Specialist / System Administrator for our direct client. Please review the below job Description and revert with your interest for the same. Job details: Role: Lead z/OS Connect Specialist / System Administrator Duration : 6 Months Shift: 08:00 AM EST to 5:00 PM EST Remote (US) Total Experience: 15+ Years Relevant Experience: 10+ Years Job description: As a z/OS Connect Specialist / System Administrator you will solve complex technical problems and support

Easy Apply

Contract

Depends on Experience

Lead Automation Tester

Remote

•

Today

Role Summary Title: Cypress Automation QA Engineer (BDD/Gherkin) Mission: To build, scale, and maintain front-end test automation for React-based applications using Cypress with a BDD/Gherkin workflow. Integrate tests into CI/CD, reduce flakiness, and provide high-signal quality feedback for releases. Primary focus: React UI automation (E2E and component testing) with Cypress. API testing: Yes. Validate REST APIs consumed by the frontend using Cypress (cy.request) and/or Postman/MSW. Light contr

Easy Apply

Full-time

Senior Python Developer (Data Automation)

Wisconsin

•

25d ago

MARS Solutions Group is looking for a Python Developer in Franklin, WI. Our client is a (Technology/Financial Services) industry leader looking for high-quality talent to make a difference. They are known to respect a traditional work week and often extend contracts for added job security and stability. Preferred: candidates can come on site periodically Not Preferred: Starting someone remote Minimum onsite expectation: A coupled days per month would likely be sufficient Overall Preference:

Easy Apply

Contract, Third Party

Lead Software Engineer (API Management)

Remote

•

4d ago

Terms of Employment: Contract Duration: 4 Months (Short-term contract, potential extension based on performance and budget) Location: Remote (Must be based in approved East Coast states; must attend final round interview on-site in Reston, VA and be available for occasional on-site visits as required) Overview: Client is seeking an experienced Lead Software Engineer to join a dynamic enterprise integration team at a industry-leading organization. In this role, you will lead critical API migratio

Easy Apply

Contract

$80+

Cypress Automation QA Engineer

Remote

•

6d ago

Job Title: Cypress Automation QA Engineer (BDD/Gherkin) Location- Remote Full-time Role Summary- Mission: To build, scale, and maintain front-end test automation for React-based applications using Cypress with a BDD/Gherkin workflow. Integrate tests into CI/CD, reduce flakiness, and provide high-signal quality feedback for releases. Primary focus: React UI automation (E2E and component testing) with Cypress. API testing: Yes. Validate REST APIs consumed by the frontend using Cypress

Full-time, Third Party

$100 - $110

OpenAPI jobs in Wisconsin, USA