45 api engineer jobs at 33 companies in Deerfield, WI
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Piping Engineer
Madison, Wisconsin, United States
OnsiteFull Time
5+ YOEBachelor's in Mechanical Engineering, 5+ years piping design experience in industrial/process sectors, proficiency in 2D/3D CAD, knowledge of piping codes (ASME B31.3, API), valid U.S. driver's license.
2D CAD, 3D CAD
1w
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Quality Engineer I
Madison, Wisconsin, United States
$61k-$123k/yr OnsiteFull Time
1+ YOE1+ years software testing experience; bachelor’s in computer science or HS+4 years experience acceptable; test strategy, test case creation, SQL, REST API and UI testing; Agile experience preferred.
Selenium, Postman, SOAPUI, JMeter, SQL, REST API
1mo
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Senior Electrical Engineer -Power (Madison, WI, US, 53706)
Duluth or Minneapolis or Saint Paul or Omaha or Nashville or Pittsburgh or Houston or Traverse City or Madison
$120k-$170k/yr HybridFull Time
10+ YOEBachelor's in Electrical Engineering, PE license, 10+ years electrical engineering experience, technical leadership, experience with SKM or ETAP, strong knowledge of NEC/NFPA/IEEE/API/AGA and industrial power systems.
SKM, ETAP
1mo
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Senior Integrations Engineer
Delafield, Wisconsin, United States
OnsiteFull Time
Hands-on experience implementing enterprise API and event-driven integrations, knowledge of JSON/XML/data mapping, OAuth/OpenID Connect, AWS, and ability to lead technical discovery and communicate with stakeholders.
REST, JSON, XML, OAuth, OpenID Connect, Amazon Web Services (AWS), Boomi, MuleSoft, EDI, .NET
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
1w
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Solutions Engineer
Madison, Wisconsin, United States
OnsiteFull Time
3+ YOEBachelor's degree, 3+ years product sales engineer experience, hands-on API integrations in payments, ability to script/understand integration code, Office 365 experience, US work authorization required.
Office 365, Salesforce
1mo
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Senior Staff Engineer
Madison, Wisconsin, United States
$180k-$220k/yr HybridFull Time
10+ YOE10+ years professional software engineering experience; deep TypeScript/full-stack expertise; proven architecture, API, scalability, and reliability experience; strong communication and mentorship skills.
TypeScript, React, Next.js, Node.js, PostgreSQL, Algolia, AWS, GCP, Vercel, Cloudflare
2mo
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Integration Developer - Integrations, Data & AI Solutions
Pewaukee, Wisconsin, United States
HybridFull Time
3+ YOE3+ years software/integration or data engineering experience; hands-on enterprise integrations, APIs, databases, middleware, EDI; familiarity with SAP, Microsoft Fabric, Power BI, SQL, ETL/ELT; strong communication and AI curiosity.
SAP, Microsoft Fabric, Cleo Integration Cloud, Microsoft Power BI, SQL, ETL/ELT, EDI, APIs
1mo
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Metrology Data, Systems, and Automation Engineer
Brookfield, Wisconsin, United States
OnsiteFull Time
3+ YOE3+ years in metrology/quality/manufacturing or related fields; bachelor's degree preferred (or equivalent experience); experience with metrology hardware, data handling, automation, scripting, and systems integration.
CMMs, CT/X-ray, PC-DMIS, PolyWorks, Zeiss Inspect, Calypso, Geomagic, DataLoop, Python, VBA, SQL, Microsoft Excel, Microsoft SharePoint, Microsoft Power BI, Microsoft Power Automate, APIs
1w
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Xformative - Fintech Software Engineer
Madison, Wisconsin, United States
RemoteFull Time
5+ YOE5+ years software development experience in payments, strong Node.js and TypeScript skills, API and backend engineering, AWS experience, knowledge of payment compliance (PCI-DSS/SOC2), bachelor\u0002s degree preferred.
Node.js, TypeScript, AWS, AWS CloudWatch, PCI-DSS, SOC2
2mo
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Software Engineer lll - ERP
Waterloo, Wisconsin, United States
OnsiteFull Time
5+ YOE5+ years ERP development; JDE expertise; end-to-end ERP lifecycle; mentor junior engineers.
JDE Orchestrator, Form Design Aid, Report Design Aid, Business Function development, APIs, EDI, web services, middleware, data integration
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
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
4d
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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
4w
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Senior Software Engineer - IBM App Connect Enterprise
Irving or Middleton or Denver or Seattle
$95k-$150k/yr HybridFull Time
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
2mo
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Integration Solutions Engineer - Integration Solutions Engineer - Careers (Accessibility)
Madison, Wisconsin, United States
OnsiteFull Time
Bachelor's degree or higher in engineering, math, information systems, or related field; strong analytical skills; eligible to work in the U.S. without visa sponsorship; relocation to Madison, WI area (reimbursed); COVID-19 vaccination.
APIs, Data Integration, Relational Databases
2mo
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PHP Developer
Auburn Hills or Juneau
OnsiteFull Time
2+ YOE2–3+ years web development with PHP; experience with MVC (Laravel or Symfony); REST APIs; relational databases; Agile; BS in CS/CE or equivalent.
PHP, Laravel, Symfony, REST APIs, SQL, JavaScript, React, Vue, Angular, SASS/LESS, Webpack, Gulp, Grunt, Docker, Git, Azure
3w
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Mobile iOS Engineer (Hybrid)
Madison or Boston
$80k-$131k/yr HybridFull Time
Experience building customer-facing iOS apps with Swift, iOS architectures (MVVM/MVC), REST API integration, Git and CI/CD, unit testing (XCTest), Xcode, and strong communication and debugging skills.
Swift, MVVM, MVC, REST APIs, Git, CI/CD, App Store, XCTest, Xcode, Airship, Optimizely, ForgeRock
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
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