30 java python developer jobs at 19 companies in Beloit, WI
1mo
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Senior Java Engineer (Hybrid)
Madison or Boston
$99k-$167k/yr HybridFull Time
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
3w
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Lead Java Software Engineer
Madison, Wisconsin, United States
$85k-$160k/yr RemoteFull Time
8+ YOEBachelor's or Master's in CS/Engineering,8+ years building scalable enterprise applications; strong Java, Python, Spring Boot; MySQL and NoSQL; OpenSearch/Elasticsearch; Apache Camel; RabbitMQ; AWS; microservices experience.
Java, Python, Spring Boot, MySQL, NoSQL, OpenSearch, Elasticsearch, Apache Camel, RabbitMQ, AWS, CI/CD, Kubernetes, REST, SOAP, Angular, GitHub Copilot, Claude, Jira, Confluence, Git
3w
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Software Engineer
Sun Prairie, Wisconsin, United States
$70k-$100k/yr OnsiteFull Time
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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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
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.
ArcGIS Enterprise, Python, Node.js, Java, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
1mo
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Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
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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Sustaining Software Engineer
Cottage Grove, Wisconsin, United States
OnsiteFull Time
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
6d
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Senior Software Engineer
Madison, Wisconsin, United States
$78k-$156k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Data Science/IS/Math/Engineering or HS+4yrs; strong OOP, REST, relational DBs, ORMs, cloud (Azure/AWS), Agile tools; experience with C++, Java, JavaScript, Python, SQL, .NET; ability to design and lead software efforts.
Postgres, SQL Server, JPA2, Hibernate, Entity Framework, Azure, AWS/SDKs, JIRA, Confluence, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit, Java 21+, SpringBoot 4+, Angular 20+, GraphQL, CI/CD, ECS, Lambda
1mo
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Backend Software Engineer
Madison, Wisconsin, United States
$130k-$140k/yr HybridFull Time
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
2w
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Leo Cancer Care: Senior Software Engineer – Interoperability
Middleton, Wisconsin, United States
HybridFull Time
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
2mo
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Software Engineer - AI & Cloud Engineering (Early to Mid Career, WI Based)
Madison, Wisconsin, United States
OnsiteFull Time
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
3d
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Sr. Software Engineer
Madison, Wisconsin, United States
$78k-$156k/yr OnsiteFull Time
4+ YOEBachelor's in CS/data science/engineering or HS+4yrs experience, strong Java and OOP skills, Spring/Spring Boot, REST, databases, cloud experience, EMR of healthcare interoperability (HL7/FHIR) preferred.
Java, Spring Boot, Spring, Maven, Kafka, HL7, FHIR, RESTful web services, Postgres, Microsoft SQL Server, JPA2, Hibernate, Entities Framework, Azure, Amazon AWS Services/SDKs, JIRA, Confluence, C++, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit
2mo
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Fullstack Engineer
Madison, Wisconsin, United States
OnsiteFull Time
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
17h
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Software Developer (Onsite - Huntley, IL)
Huntley, Illinois, United States
$60k-$80k/yr OnsiteFull Time
0+ YOEBachelor's degree in a relevant computer field and 0–2 years of software development experience. Requires knowledge of programming, databases, APIs, web services, and testing.
Python, Java, JavaScript, APIs, ERP, HSA, FSA, Microsoft 401k, Roth 401k
1mo
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Sustaining Engineer – Computer / Software
Madison, Wisconsin, United States
OnsiteFull Time
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
3mo
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Principal Software Engineer
Madison, Wisconsin, United States
$153k-$259k/yr OnsiteFull Time
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
5d
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Data Engineer - REMOTE
Madison or United States
$120k-$160k/yr RemoteFull Time
5+ YOE5+ years development experience, SQL and programming language expertise, ETL/ELT pipeline design, cloud data platform experience, data modeling and governance knowledge, Databricks experience.
SQL, Python, Java, Scala, Databricks, AWS, Azure, Google Cloud, Claude Code, Codex, Copilot
1d
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Software Engineering Lead
United States or Middleton
$135k-$145k/yr RemoteFull Time
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
2w
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Student Researcher, PhD, Fall 2026
Mountain View or Ann Arbor or Atlanta or Austin or Cambridge or Chicago or Irvine or Kirkland or Los Angeles or Madison or New York or Palo Alto or Pittsburgh or Goleta or San Bruno or Seattle or San Francisco or Sunnyvale or Washington D.C.
$118k-$157k/yr OnsiteInternship
PhD student in CS or related field, research experience, proficiency in English and programming (e.g., Python, Java, JavaScript, C/C++); submit CV and transcript.
Python, Java, JavaScript, C, C++
1mo
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Technical Support Sr Manager
Madison or Portland or Illinois or United States
$180k-$341k/yr HybridFull Time
8+ YOERequires a 4-year degree and 8+ years professional experience; strong Python and full-stack development experience (Anvil preferred); familiarity with AWS/Azure/Google Cloud, Git, databases, and DevOps practices.
Anvil, AWS SageMaker, AWS, Azure DevOps, Tableau, Python, Java, C#, .NET, Node.js, Django, Flask, Git
1mo
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Software Engineering Manager
Verona, Wisconsin, United States
OnsiteFull Time
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