28 java software engineer jobs at 23 companies in Deerfield, WI

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Senior Java Engineer (Hybrid)
Madison or Boston
$99k-$167k/yr HybridFull Time
American Family Insurance
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
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Software Engineer 2- (Java/Spring Boot/DevOps)
Atlanta or Charlotte or Chicago or Gresham or Cincinnati or Englewood or Brookfield or Minneapolis or Irving or Earth City
$98k-$116k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
3+ YOEBachelor's degree or equivalent experience, 3+ years relevant experience, strong Java/Spring Boot and microservices experience, REST/API design, cloud-native and DevOps practices, strong communication and debugging skills.
Java, J2EE, Spring Boot, Spring Cloud, Hibernate, JPA, RESTful API, REST, GraphQL, Azure, AWS, GCP, Apache Kafka, Spark, PostgreSQL, MS SQL, Cassandra, MongoDB, Jenkins, Cloud bees, Apigee, Kubernetes, Rancher, OAuth, JWT
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Software Engineer
Sun Prairie, Wisconsin, United States
$70k-$100k/yr OnsiteFull Time
i3 Product Development
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
1mo
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Backend Software Engineer
Madison, Wisconsin, United States
$130k-$140k/yr HybridFull Time
EnsoData
EnsoData: AI software for automated sleep study analysis and diagnostics.
3+ YOE3+ years backend engineering, Bachelor’s or Master’s in CS/Software Engineering, proficiency in Python/Go/Java, PostgreSQL/MongoDB, cloud (AWS/GCP/Azure), Docker/Kubernetes, CI/CD, Git, and familiarity with HIPAA/GDPR.
Python, Go, Java, PostgreSQL, MongoDB, AWS, GCP, Azure, Docker, Kubernetes, CI/CD, Git, HL7, FHIR, DICOM, Claude
3w
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Senior Java Developer
Madison, Wisconsin, United States
$61k-$104k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Experience with microservices, AWS, JDK 17, JUnit, Spring Boot, Postgres, Docker, Git/GitLab/GitHub, CI/CD, Sonar; payments domain and project lead experience preferred; testing with JMeter/Playwright; AI tool (Claude) preferred.
Microservices, AWS, JDK 17, JUnit, Spring Boot, Postgres, Sonar, CICD, Docker, GitHub, GitLab, Git, JMeter, Playwright, Claude
4w
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Senior Software Engineer - IBM App Connect Enterprise
Irving or Middleton or Denver or Seattle
$95k-$150k/yr HybridFull Time
Paradigm
Paradigm: A software transforming residential and construction industries with modern engineering and cloud-native integration solutions.
4+ YOE4+ years software engineering with hands-on IBM App Connect Enterprise, ESQL/Java, integration patterns, APIs, messaging (MQ/Kafka), Kubernetes/OpenShift, CI/CD and strong troubleshooting skills.
IBM App Connect Enterprise, ACE, ESQL, Java, REST, SOAP, IBM MQ, MQ, Kafka, DFDL, JSON, XML, Docker, Kubernetes, Red Hat OpenShift, Git, Jenkins, Tekton, UrbanCode, AppDynamics, Splunk, ELK, HTTP(S), JDBC
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Sustaining Software Engineer
Cottage Grove, Wisconsin, United States
OnsiteFull Time
Johnson Health Tech
Johnson Health TechTaiwan Stock Exchange: 1736: Designs and manufactures commercial and residential fitness equipment.
Experience with OOP (C++, C#, Java, Kotlin), scripting (Python, JavaScript), unit testing, technical documentation, cross-team communication, and willingness to travel domestically and internationally.
C++, C#, Java, Kotlin, Python, JavaScript
2mo
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Software Engineer - AI & Cloud Engineering (Early to Mid Career, WI Based)
Madison, Wisconsin, United States
OnsiteFull Time
Flexcompute
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
Python, C++, Rust, Go, Java, JavaScript, Linux, Git, Docker, Kubernetes, AWS, GCP, Azure
2w
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Leo Cancer Care: Senior Software Engineer – Interoperability
Middleton, Wisconsin, United States
HybridFull Time
Centaur Health Holdings
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.
DICOM-RT, HL7, FHIR, UML, Python, C++, C#, Java, Linux, Git, gRPC, REST
3mo
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Principal Software Engineer
Madison, Wisconsin, United States
$153k-$259k/yr OnsiteFull Time
Exact Sciences
Exact SciencesNASDAQ: EXAS: Provides molecular diagnostic tests for early cancer detection.
Senior individual contributor with expertise in OO languages, REST/DB, cloud, Agile, and enterprise-scale digital engineering.
C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit, JPA, Hibernate, Azure, AWS, JIRA, Confluence
2mo
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Technical Lead Software Engineer (Java, React, Spring boot)
Minnetonka or Madison or St Louis or Omaha
$100k-$150k/yr OnsiteFull Time
Medica
Medica: Provides health insurance coverage and health plan administration services.
5+ YOE5+ years product-related work experience; proficient with Java and React.
Java, React, Spring Boot, Oracle, SQL Server, Azure DevOps, GitHub, Jenkins, CI/CD
1w
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Software Engineering Lead
United States or Middleton
$135k-$145k/yr RemoteFull Time
Natus Medical
Natus Medical: Provides medical devices for neurodiagnostics, newborn care, and hearing
10+ YOE2+ Mgmt10+ years software development experience with 2+ years technical leadership; bachelor's degree in computer science or related field; expertise in React, Java/C#/Python, cloud platforms, CI/CD, and strong architecture and communication skills.
React.js, Angular, Java, C#.NET, Python, Flask, Django, FastAPI, Microsoft Azure, AWS, GCP, Git, CI/CD, Docker, Kubernetes, Terraform, Bicep, ARM templates, OAuth, JWT, Azure AD
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Sustaining Engineer – Computer / Software
Madison, Wisconsin, United States
OnsiteFull Time
Keenova
Keenova: Develops and sells medicines for rare and complex conditions.
Bachelor's in engineering required. Strong LabVIEW, NI TestStand, Python, C++/Java skills; experience with automated test systems, industrial PCs, embedded systems, GitHub, SDLC, RCA/CAPA, and FDA/GMP regulated environments.
LabVIEW, NI TestStand, Python, C++, Java, Windows 11, GitHub, DAQ modules, Industrial PCs
2mo
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Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
Blain's Farm & Fleet
Blain's Farm & Fleet: Retailer of farm, home, automotive, and outdoor goods.
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Java, C#, Python, JavaScript, Adobe, Oracle
1mo
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Software Engineering Manager
Verona, Wisconsin, United States
OnsiteFull Time
Extreme Engineering Solutions
Extreme Engineering Solutions: Designs and manufactures rugged embedded computing for extreme environments.
7+ YOEBachelor's in CS/CE or related, 7+ years engineering experience, strong communication and problem-solving, ability to manage multiple projects, onsite work in Verona, WI.
Python, Java, Git, CI/CD
1mo
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Senior Specialist, Software Engineering
Brookfield or New York
$150k/yr OnsiteFull Time
BetaNXT
BetaNXT: Wealth management infrastructure and securities processing software solutions
10+ YOE10+ years experience with cost basis/tax operations in financial services, Bachelor's in Computer Science (or equivalent), cloud platform proficiency (AWS/OCI/Azure/GCP), Java, Oracle/PL/SQL, Unix/Linux scripting, CI/CD and Git, and experience integrating AI/ML/LLM capabilities.
Git, Git CI/CD pipeline, CI/CD, Jenkins, GitOps, Oracle, PL/SQL, Unix/Linux shell scripting, Java, AI/ML, LLM APIs, AWS, OCI, Azure, GCP
2mo
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Fullstack Engineer
Madison, Wisconsin, United States
OnsiteFull Time
Accuray
AccurayNASDAQ: ARAY: Develops and manufactures radiation therapy systems for cancer treatment.
Develop and maintain software for a complex medical device; design, test, and integrate software with hardware; collaborate across disciplines; BS in CS/CE; proficient in OO languages; travel <10%.
C#, Java, C++, Python, DICOM, HL7v2, FHIR
4d
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Integration Developer (840017)
Pewaukee or Illinois or Iowa or Michigan or Minnesota
$1/yr HybridFull Time
Waukesha County Technical College
Waukesha County Technical College: Public college providing vocational and technical higher education.
2+ YOEBachelor’s degree in Computer Science, Information Systems, or related field; 2+ years of API/SDK integration experience; proficiency in Python, PHP, JavaScript, Java, JSON, REST APIs, Git, and integration tools.
Python, JSON, RESTful APIs, PHP, Postman, Bruno, Swagger/OpenAPI, Git, JavaScript, Java, OAuth, OpenID Connect, SQL, ETL, WCAG, FERPA, Banner, Ellucian
6d
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Production Support Developer Specialist
Madison, Wisconsin, United States
$46-$49/hr HybridFull Time
State of Wisconsin
State of Wisconsin: State government entity providing public services and administration.
Requires experience with at least two listed programming languages, IT project development, complex applications, production troubleshooting, and mentoring software developers.
Microsoft .NET, C#, VB.NET, ASP.NET, Java, PL/SQL, SQL, LAN, Microsoft Word, PDF
1mo
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Software Systems Administrator
Waukesha, Wisconsin, United States
OnsiteFull Time
Generac
GeneracNYSE: GNRC: Manufactures backup power generators and energy technology solutions.
5+ YOE5+ years software administration experience, led large system migrations, managed multiple platforms; bachelor’s in CS/IS/Engineering or equivalent; proficiency in Visual Studio and multiple programming languages; strong collaboration and communication.
Visual Studio, Python, C#, C++, Java, Go, Rust, QA Trax, LabView, Nation Instruments, SQL, Git, GitHub, GitHub Co-Pilot, Claude Code