8 api java developer jobs at 5 companies in Madison, WI
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Senior Java Engineer (Hybrid)
Madison or Boston
$99k-$167k/yrHybridFull Time
American Family Insurance: Provides insurance for vehicles, homes, businesses, and lives.
5+ YOERequires 5+ years of AWS-backed Java development with Spring Boot, RESTful APIs, Python, SQL, software architecture, testing, integration technologies, SDLC, and insurance experience.
Java, Amazon Web Services (AWS), Spring Boot, RESTful API, Python, SQL, Microsoft Copilot, Claude Code
American Family Insurance: Provides diverse insurance products and comprehensive financial services.
5+ YOE5+ years AWS-backed Java development experience building Spring Boot and RESTful APIs; proficiency with Python and SQL; experience with integration, SDLC, testing, and cloud services; insurance experience preferred; ability to travel up to 10%.
Java, Spring Boot, RESTful API, Python, SQL, AWS, Microsoft Copilot, Claude Code
American Family Insurance: Provides insurance for vehicles, homes, businesses, and lives.
3+ YOEMinimum 3 years of heavy Node.js experience, Java application and API development, complex software development, systems integration, SDLC, design specifications, testing, and technical communication.
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
2+ YOEActive Top Secret/SCI clearance, bachelor’s degree in STEM, 2+ years backend development with Python/Node.js/Java, experience with ArcGIS Enterprise, containerization, API design, and geoprocessing workflows.
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
2+ YOEActive US citizenship with TS/SCI, bachelor\u0002s degree in STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), API and geoprocessing experience.
Software Engineer - AI & Cloud Engineering (Early to Mid Career, WI Based)
Madison, Wisconsin, United States
OnsiteFull Time
Flexcompute: Develops GPU-native multiphysics simulation software for hardware engineers.
3+ YOE3-6 years software engineering; strong programming in Python/C++/Rust/Go/Java/JavaScript; backend systems/APIs/distributed services; Linux/Git; ability to drive projects; degree in technical field
Exact SciencesNASDAQ: EXAS: Provides molecular diagnostic tests for early cancer detection.
5+ YOE5+ years IT integrations experience, 3+ years interface engine development, Epic Bridges certification, ability with Corepoint, HL7 v2/XML/CSV/HTML parsing, REST/FHIR APIs and Python; US work authorization required.