228 python developer jobs at 97 companies in Jefferson, WI
3w
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Python Engineer
Milwaukee, Wisconsin, United States
$100k-$130k/yr HybridFull Time
3+ YOEBachelor's degree,3-5 years Python development,experience with enterprise Python apps,APIs,data processing,Pandas/NumPy,SQL,FastAPI,AWS familiarity,Agile experience;must be authorized to work in the US.
Python 3.10+, Pandas, NumPy, Matplotlib, Plotly, Bokeh, Streamlit, PostgreSQL, Microsoft SQL Server, Snowflake, FastAPI, Swagger/OpenAPI, Postman, AWS ECS, AWS EC2, AWS Lambda, IAM, pytest, Jira, GIT, Jenkins, Docker, Kubernetes, Microsoft Power Platform, Power BI, Dataverse
2mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
3mo
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Engineer II
Austin or Madison
OnsiteFull Time
3+ YOE3+ years professional software development; experience with Python and ReactJS preferred; strong SQL, ORM and NoSQL knowledge; experience with microservices; clear technical communication and on-call participation.
Python, ReactJS, SQL
1mo
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Software Developer (GIS)
Waukesha, Wisconsin, United States
OnsiteFull Time
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.
ArcGIS Pro, ArcGIS Online, ArcGIS Enterprise, ArcGIS Dashboards, ArcGIS Field Maps, Survey123, VertiGIS Studio, AWS, SQL, NoSQL, REST APIs, Python, JavaScript, TypeScript
1mo
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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
1w
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Senior Palantir Engineer
Austin or Charlotte or Naples or Hudson or Milwaukee
OnsiteFull Time
4+ YOE4+ years relevant experience, Bachelor’s degree, Palantir Foundry experience preferred, proficiency with TypeScript, JavaScript, Python, SQL, APIs, Git, CI/CD, and agentic/LLM development.
Palantir Foundry, TypeScript, JavaScript, Python, SQL, APIs, Git, CI/CD, MCP, LLMs
4d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
1w
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Software Developer
Middleton, Wisconsin, United States
$90k-$120k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience and 3+ years developing production software. Requires web development, relational and NoSQL databases, command-line scripting, and proficiency in listed programming languages.
TypeScript, JavaScript, C#, Python, Ruby, Ruby on Rails, HTML, CSS, MySQL, PostgreSQL, Elasticsearch, Mongo, PowerShell, Bash, SAP
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
2d
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Integration Developer (840017)
Pewaukee or Illinois or Iowa or Michigan or Minnesota
$1/yr HybridFull Time
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
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
2w
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AI Engineer
Middleton, Wisconsin, United States
OnsiteFull Time
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
2mo
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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
2d
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Software Engineer II
Milwaukee, Wisconsin, United States
$98k-$147k/yr OnsiteFull Time
1+ YOEBachelor's degree or equivalent experience; 1–3 years of software engineering experience; programming with Java, JavaScript, Python, or .NET; cloud, CI/CD, analytical, communication, and collaboration skills.
Java, JavaScript, Python, .NET, AWS, Azure, CI/CD
2w
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Senior Software Engineer – Sensor Acquisition
Waukesha, Wisconsin, United States
OnsiteFull Time
4+ YOEBachelor's in EE/CS/STEM and 4+ years software engineering experience; 2+ years in data acquisition and sensor interfaces; Linux, C/C++, Python, RTOS experience; familiarity with IEC/ISO 62304 and embedded product development.
C++, Python, C, Linux, Unix, I2C, SPI, UART, USB, CAN, IEC/ISO 62304, microservices
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
2mo
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AI Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
2+ YOE2+ years in software engineering or applied AI, strong applied AI and software engineering fundamentals, experience with AI development tools and cloud/frontier AI platforms, product judgment and ability to ship and operate production systems.
Python, C#, TypeScript, PostgreSQL, Anthropic, OpenAI, Docker, Terraform, AWS
1mo
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Sr. Software Engineer
Glendale or Milwaukee
$85k-$127k/yr OnsiteFull Time
7+ YOE7+ years software engineering (5+ years building/deploying AI/ML systems), ML lifecycle experience, Python and ML framework proficiency, cloud and container deployment experience, LLM/GenAI and MLOps experience, strong system design and mentoring skills.
Python, PyTorch, TensorFlow, scikit-learn, Microsoft Azure, Microsoft Azure OpenAI, AWS Bedrock, Anthropic, OpenAI, Docker, Kubernetes, LangGraph, CrewAI, LlamaIndex, LangSmith, LangFuse, OpenTelemetry, Model Context Protocol (MCP), BACnet, MQTT, OPC UA
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
1mo
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Research Software Engineer
Madison, Wisconsin, United States
OnsiteFull Time
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.
Go, Python, C++, GitHub, GitHub Actions, Jenkins, JIRA, HTCondor, Containers, Kubernetes, Pelican, CI/CD
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