143 software developers jobs at 90 companies in Janesville, WI
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Software Engineer
Sun Prairie, Wisconsin, United States
$70k-$100k/yrOnsiteFull Time
i3 Product DevelopmentNYSE: HLIO: Integrated product design and engineering firm for connected solutions.
5+ YOEBachelor's degree,5+ years professional software development experience,proficiency with Java,Python or C#,REST/SOAP,cloud platforms (AWS/Azure/GCP),Git,CI,Agile and strong communication.
Java, Python, C#, RESTful, SOAP, AWS, Microsoft Azure, Google Cloud, Git
Ruekert & Mielke: Civil engineering and infrastructure services for municipal governments.
3+ YOEBachelor's degree or equivalent experience; 3+ years software development or GIS application experience; proficiency with JavaScript/TypeScript, Python, Esri/ArcGIS tools, AWS, SQL/NoSQL, REST APIs; strong communication and problem-solving skills.
5+ YOE5+ years backend development experience with C#/.NET, building REST APIs and SQL databases; experience with Git, cloud (Azure/AWS) and Docker preferred; Bachelor\u0002s degree in CS or equivalent experience.
C#, .NET, .NET 9, REST APIs, SQL, Git, Microsoft Azure, Microsoft Azure SQL, AWS, Docker
Findhelp: Building digital infrastructure for connecting people to social services.
8+ YOE8+ years professional software development, strong Python and ReactJS experience preferred, good SQL and database knowledge, experience with cloud (GCP preferred), technical writing, design, and mentoring skills.
Horace MannNYSE: HMN: Providing insurance and financial solutions to educators and their families.
7+ YOEBachelor's in CS/IT or equivalent, 7+ years software development experience, technical leadership experience, strong proficiency with Java, .NET, SQL, DB2, SSIS, C#, COBOL, APIs; DevOps/CI/CD and AI experience preferred.
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEUS citizenship required. Typically requires a university degree and ~2 years experience. Experience with NI LabVIEW (object-oriented), C/C++, and Python; ability to develop, test, document, and support production equipment software.
University of Wisconsin–Madison: Public research university providing academic programs and clinical healthcare.
5+ YOE5+ years designing and developing full-stack applications with Microsoft .NET and SQL Server; 2+ years Angular; proficiency with C#, ASP.Net Core, TypeScript, HTML5, CSS, JavaScript, Microsoft Entity Framework, relational databases, and Git.
Microsoft .NET, SQL Server, Angular, C#, ASP.Net Core, TypeScript, HTML5, CSS, JavaScript, Microsoft Entity Framework, Git, OpenIDConnect, Canvas LMS, Salesforce, Salesforce APEX, ClaudeCode, Codex, GitHub Copilot
Morgridge Institute for Research: Conducts interdisciplinary biomedical research to improve human health.
1+ YOEBachelor's degree required (Master's preferred),1+ years software engineering (3+ preferred),programming in Go/Python/C++,experience with large-scale computing,GitHub,JIRA and CI/CD familiarity.
AccurayNASDAQ: ARAY: Develops and manufactures radiation therapy systems for cancer treatment.
BS in Computer Science or related field; proficiency in C++, C#, automated testing; strong OO design; team collaboration; regulated environment preferred.
Oakland or Waukesha or Toronto or South Portland or North Billerica or Santa Monica
$239k-$323k/yrOnsiteFull Time
GeneracNYSE: GNRC: Manufactures backup power generators and energy technology solutions.
15+ YOE5+ Mgmt15+ years software engineering with 5+ years senior leadership; experience delivering mobile and cloud software; hands-on AI/LLM deployment; strong leadership.
Claude Code, Amazon Bedrock, Mobile (iOS/Android), Cloud, Backend services, AI/LLM tooling
2+ YOEBachelor's degree or equivalent practical experience; 2 years programming in C++, Python, or Java; experience with algorithms, large-scale systems, debugging, and performance analysis.
Electronic ArtsNASDAQ: EA: Develops and publishes video games and interactive entertainment software.
Experienced AI/Bots engineer to design, build, and maintain scalable, performant bot systems for live-service multiplayer games; strong collaboration and technical leadership expected.
Leo Cancer Care: Senior Software Engineer – Interoperability
Middleton, Wisconsin, United States
HybridFull Time
Centaur Health Holdings: Developing innovative radiotherapy and veterinary diagnostic imaging solutions.
5+ YOEDeep DICOM-RT interoperability experience, medical device software under IEC 62304, network integration, 5+ years domain experience, strong Python and C++/C#/Java skills, Linux and Git proficiency, HL7/FHIR familiarity.