16 python api developer jobs at 12 companies in Beloit, WI
5d
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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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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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Artificial Intelligence Engineer III
Madison or Kingwood
HybridFull Time
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
2mo
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Senior Backend Software Engineer, Solve Voice
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
3+ YOE3+ years backend engineering; real-time systems (WebRTC/SIP); Python or equivalent; API design; async architectures; frontend basics.
Python, WebRTC, WebSockets, SIP, APIs, Async frameworks
1d
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AI Agent Developer Intern
Madison or Wisconsin
$15/hr HybridMultiple Commitments Available
Basic JavaScript or Python, MCP and A2A knowledge, APIs, data structures, web technologies, Git, npm, prompt engineering, analytical thinking, and strong communication skills required.
JavaScript, Python, MCP, A2A, Git, npm, Microsoft Copilot Studio, Power Platform, Power Automate, Azure Functions, Next.js, React, Vercel Chat SDK, AI Gateway, LangChain
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
1w
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O'Connor Lab Software Developer
Madison, Wisconsin, United States
$113k/yr OnsiteFull Time
4+ YOERequires 4+ years building production web applications, experience with interactive data visualizations, API integrations, version control, collaborating with researchers, and demonstrated portfolio of deployed systems.
GitHub, Python, TypeScript, JavaScript, D3, Plotly, Apache ECharts, LabKey
2mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
2+ YOEActive US citizenship with TS/SCI, bachelor\u0002s degree in STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), API and geoprocessing experience.
Python, Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
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
3mo
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Senior Fullstack Engineer, Solve
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
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
2mo
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Software Developer 2
Monroe, Wisconsin, United States
OnsiteFull Time
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
3mo
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Senior Staff Quality Engineer
Madison or Austin
OnsiteFull Time
5+ YOE5+ years QA experience in agile environments; strong automation skills with Python/PyTest; experience with API automation, test frameworks (keyword-driven, POM), Google Cloud, Elastic Stack, and web technologies; coaching and mentoring experience.
Python, PyTest, Robot Framework, Playwright, Javascript, React, Google Cloud, Elastic Stack
3mo
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Senior Staff Quality Engineer
Austin or Madison
OnsiteFull Time
5+ YOE5+ years QA experience in agile environments; designing and implementing test automation (keyword-driven, POM); API automation; Python and PyTest proficiency; familiarity with Robot Framework or Playwright, JavaScript/React, Google Cloud, and Elastic Stack.
Python, PyTest, Robot Framework, Playwright, Javascript, React, Google Cloud, Elastic Stack (Elasticsearch, Kibana), CI/CD, RESTful, SOAP
1mo
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Sr. Data Engineer
Madison, Wisconsin, United States
$101k-$172k/yr OnsiteFull Time
Bachelor's in data/computer field or HS+4yrs; expertise with Spark on Snowflake/Databricks, Python/Scala/SQL, ETL pipelines, database architecture, Big Data formats, cloud services, and Tableau.
Spark, Snowflake, Databricks, Python, Scala, SQL, Parquet, Avro, Delta Lake, AWS, SQS, S3, GitLab, JIRA, Confluence, REST API, Tableau, Model Context Protocol (MCP), Braze
3mo
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Senior AI Solutions Engineer
Oconomowoc, Wisconsin, United States
OnsiteFull Time
6+ YOEBachelor's in computer science or related,6+ years experience (3+ in manufacturing preferred),proven AI-first agentic LLM development workflow,polyglot coding across stacks,SQL,REST APIs,GIT,BI,prompt engineering.
Claude Code, GitHub Copilot Workspace, Cursor, Windsurf, .NET, C#, JavaScript, TypeScript, Python, Epicor, Jitterbit, Salesforce, SQL, RESTful APIs, GIT, Microsoft Office
1mo
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Senior AI Integration Analyst
Madison, Wisconsin, United States
$91k-$155k/yr OnsiteFull Time
5+ YOE5+ years IT integrations experience, 3+ years interface engine development, Epic Bridges certification, ability with Corepoint, HL7 v2/XML/CSV/HTML parsing, REST/FHIR APIs and Python; US work authorization required.
MuleSoft, Dell Boomi, Azure Integration Services, Microsoft Azure, REST, FHIR, Python, Corepoint, Epic Bridges, HL7 v2, XML, CSV, HTML, Epic Cogito, Epic Clarity, Caboodle, Interconnect, App Orchard, Java, C#, SOAP, LLM APIs, Snowflake, AWS, SAP, Oracle, Workday