35 senior software engineer python jobs at 27 companies in Sun Prairie, WI

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Senior Embedded Software Engineer-Innovation Team
Cottage Grove, Wisconsin, United States
OnsiteFull Time
Johnson Health Tech
Johnson Health TechTaiwan Stock Exchange: 1736: Designs and manufactures commercial and residential fitness equipment.
Senior embedded software engineer with degree in CS/EE and experience in C/C++, RTOS, Python/JS, and cross-functional collaboration.
C++, C#, Java, C, Python, JavaScript, RTOS
2mo
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Senior Staff Software Engineer
Madison or Austin
OnsiteFull Time
Findhelp
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.
Python, ReactJS, SQL, GCP
2w
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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
4d
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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
2mo
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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
2w
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Lead Java Software Engineer
Madison, Wisconsin, United States
$85k-$160k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
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
1w
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Senior Software Engineer Applied AI
Madison or United States
RemoteFull Time
AMC Health
AMC Health: Provides remote patient monitoring and virtual care technology.
7+ YOE7+ years building and operating production backend systems, production LLM/ML experience, cloud distributed-systems expertise, and disciplined practices for regulated environments.
Python, AWS, LLMs
1w
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Software Developer II
Janesville, Wisconsin, United States
OnsiteFull Time
Data Dimensions
Data Dimensions: Digitizes and automates paper-intensive business processes and document workflows.
5+ YOEAssociate degree plus 5 years related experience (or equivalent); knowledge of networking, SDLC, Microsoft technologies, Visual Studio, C#, .NET; strong communication and problem-solving skills.
Microsoft Visual Studio, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Windows API, C#, .Net, Microsoft SQL Server, SQL Management Studio, Python, PHP
1d
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Software Engineer
United States or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Madison or Milwaukee or Minneapolis or Nashville or Omaha or Providence or Springfield or Saint Louis or Washington
$76k-$234k/yr HybridFull Time
Husch Blackwell
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
5+ YOEBachelor's or equivalent,5+ years application engineering experience,full‑stack proficiency with backend focus,experience with generative AI and cloud deployment (Azure preferred),strong architecture and communication skills.
Python, Javascript, TypeScript, React, Vue, Azure, CI/CD, LLM APIs
2mo
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Technical Architect/Staff Software Engineer
Minnetonka or Madison
$113k-$194k/yr OnsiteFull Time
Medica
Medica: Provides health insurance coverage and health plan administration services.
7+ YOELead architecture and hands-on software engineering in Python/Java; 7+ years experience; healthcare domain a plus.
Python, Java, AWS, Azure, Docker, Kubernetes
2mo
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Senior Fullstack Engineer, Solve
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
Zendesk
Zendesk: Provides cloud-based software for customer service and support.
3+ YOE3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.
Python, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, LLM / speech
1mo
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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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Software Developer 2
Monroe, Wisconsin, United States
OnsiteFull Time
Colony Brands
Colony Brands: Operates multi-channel retail brands and catalog sales for consumer products.
5+ YOEBS or equivalent, 5+ years software development experience, 3+ years with .NET Core/C#, REST APIs, microservices, MySQL/Dynamo, Azure DevOps, Git, AWS; strong problem solving, Agile collaboration, and mentoring ability.
.NET Core, C#, RESTful API, Python, microservices, MySQL, Dynamo, Azure DevOps, Azure Pipelines, Git, AWS, CI/CD
2mo
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Senior Applied ML Engineer
Middleton or Irving or Denver or Seattle
$125k-$184k/yr HybridFull Time
Paradigm
Paradigm: A software transforming the residential, construction, and building product industries.
5+ YOE5+ years designing and deploying applied ML systems; expertise in computer vision and NLP; strong Python and ML frameworks; ML Ops; cloud platforms; clear communicator; degree in CS/ML or related field.
Python, PyTorch, TensorFlow, Hugging Face, MLflow, Kubeflow, AWS, Azure, GCP
1mo
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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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IT Software Engineering Manager
Madison, Wisconsin, United States
$136k-$203k/yr OnsiteFull Time
TruStage
TruStage: Provides insurance and financial services to credit union members.
7+ YOE3+ MgmtBachelor's or equivalent, 7+ years software engineering experience with 3+ years in management; proficient in Java/C#/Python, SDLC, CI/CD, DevOps, Azure, microservices, RESTful APIs, scaled agile; strong leadership and stakeholder skills.
Java, C#, Python, SDLC, version control systems, CI/CD, DevOps, Azure, microservices, RESTful APIs, Salesforce, scaled agile
1mo
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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
1mo
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Principal Agentic Engineer
San Francisco or Madison
$175k-$300k/yr OnsiteFull Time
MGT Insurance
MGT Insurance: AI-driven neo-insurer providing commercial insurance for small businesses.
6+ YOE6+ years experience building LLM-based agents and autonomous systems; expertise with OpenAI GPT/Anthropic Claude, LangChain/CrewAI; strong software engineering in Python and TypeScript; agent architecture and observability experience.
OpenAI GPT, Anthropic Claude, LangChain, CrewAI, Python, TypeScript, React
1w
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Artificial Intelligence Engineer III
Madison or Kingwood
HybridFull Time
Insperity
InsperityNew York Stock Exchange: NSP: Provides human resources and business performance solutions to businesses.
5+ YOEBachelor's or equivalent experience, 5+ years in software/ML/AI engineering, advanced Python and API skills, experience with large-scale data platforms and LLM systems, familiarity with AI orchestration frameworks, strong communication.
Python, APIs, Snowflake, Databricks, Amazon Redshift, Microsoft Synapse, LangChain, LangGraph, LlamaIndex, Semantic Kernel
4d
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AI Engineer
Middleton, Wisconsin, United States
OnsiteFull Time
Springs Window Fashions
Springs Window Fashions: Manufacturer of custom window coverings for residential and commercial buildings.
5+ YOE5+ years building production software and shipping ML/generative AI solutions; fluent Python; experience with ML frameworks, cloud platforms, AI governance, and integrating AI into enterprise systems.
Python, TensorFlow, PyTorch, LangChain, Hugging Face, Microsoft Azure, AWS, Google Cloud, Microsoft Copilot, Azure OpenAI, Microsoft Power BI, Tableau, MLOps, vector databases