85 api developer jobs at 45 companies in Greenfield, WI
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yrHybridFull Time
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Neostella: Provides legal case management and workflow automation software.
2+ YOE2+ years software development experience, proficiency in Python, API/backend development, familiarity with AWS serverless services, strong communication and problem-solving skills.
Stamm: Provides event technology rentals and managed IT services.
Strong Unity and C# proficiency, professional Unity development experience, experience integrating SDKs/APIs and hardware, familiarity with networking protocols (OSC, TCP/IP, UDP, WebSockets, HTTP/REST), camera/sensor/tracking experience preferred, strong problem-solving and communication skills.
Ruekert & Mielke: Civil engineering and infrastructure services for municipal governments.
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.
5+ YOE5+ years backend development experience with C#/.NET, building REST APIs and SQL databases; experience with Git, cloud (Azure/AWS) and Docker preferred; Bachelor\u0002s degree in CS or equivalent experience.
C#, .NET, .NET 9, REST APIs, SQL, Git, Microsoft Azure, Microsoft Azure SQL, AWS, Docker
Milford or Cocoa Beach or Orlando or Sioux Falls or Orlando or Jacksonville or Columbus or York Haven or Birmingham or Augusta or Nashville or Houston or Dallas or Albuquerque or Columbia or Milwaukee or McAllen or El Paso or San Antonio or Salt Lake City or Charlotte or Phoenix or Sunrise or Louisville or Sunrise
$150k-$175k/yrOnsiteFull Time
BeneLynk: Provides social care advocacy and government benefit enrollment assistance.
8+ YOE8+ years software development; strong in C#/.NET; REST APIs; Azure; scalable SaaS; distributed teams; healthcare/regulatory context.
AccentureNYSE: ACN: Global provider of management consulting and technology services.
1+ YOE1+ year IT/application support experience; familiarity with parts/inventory/order management or supply chain processes; basic SQL, APIs, batch processing knowledge; experience with ticketing tools.
ServiceNow, Remedy, Jira Service Management, SQL, APIs
Integration Developer - Integrations, Data & AI Solutions
Pewaukee, Wisconsin, United States
HybridFull Time
Boelter: Designs commercial kitchens and supplies professional foodservice equipment.
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
Milwaukee or Charlotte or Alabama or Alaska or Arkansas or Arizona or Delaware or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Louisiana or Kansas or Kentucky or Maine or Michigan or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Wisconsin or West Virginia or Wyoming
$38-$56/hrRemoteFull Time
Advocate Health: Provides integrated clinical care through a network of hospitals.
3+ YOEBachelor's in Computer Science or related; typically 3 years Workday integration development experience; expertise with Workday Studio, EIB/Core Connectors, Extend, BIRT, REST/SOAP APIs, XSLT/XML/JSON; Jira/ServiceNow and Microsoft Office experience; rotational on-call support.
Workday Studio, EIB (Enterprise Interface Builder), Connector, Core Connectors, Workday Integration Cloud, Extend, Workday Extend, Orchestrate, Workday BIRT, Workday REST/SOAP APIs, XSLT, XML, JSON, Java, Python, Jira, ServiceNow, Microsoft SharePoint, Microsoft Teams, Microsoft OneNote, Microsoft Excel, Microsoft Word, Microsoft Outlook
Baker Tilly: Provides audit, tax, and consulting services to business clients.
3+ YOEBachelor's in CS/IT or equivalent; 3+ years in cloud apps (AWS); AI/Agent-based solutions; API data integration; Python/JavaScript; AWS containers/serverless; experience with AI tools; US work authorization.
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
6+ YOE6+ years integration development experience; deep expertise with Azure Integration Services and Azure API Management; strong C#, .NET, REST, JSON, XML skills; CI/CD using Azure DevOps/GitHub Actions; observability with Azure Monitor and Application Insights.
Microsoft Azure Integration Services, Logic Apps, Microsoft Azure Functions, Microsoft Azure Data Factory, Microsoft Azure Service Bus, Microsoft Azure Event Grid, Microsoft Azure API Management (APIM), Microsoft Azure DevOps, GitHub Actions, GitHub Copilot, M365 Copilot, Microsoft Azure Monitor, Microsoft Application Insights, MuleSoft, C#, .NET, REST APIs, JSON, XML, Infrastructure as Code (IaC)
FiservNew York Stock Exchange: FI: Provides financial technology solutions for merchants and financial institutions.
4+ YOEBachelor's in CS/Engineering or related and 4 years software development experience in credit/debit payment processing. Experience with .NET, C#, REST APIs, Microsoft SQL, cloud platforms (AWS/Azure/GCP), GitLab CI/CD, TCP/IP, and multithreaded architectures.
Alegeus: Provides technology platforms for managing healthcare benefit accounts.
6+ YOE6+ years developing distributed web applications using C#, .NET, ASP.NET, cloud and microservices; experience with RDBMS/NoSQL, event-driven frameworks, Kubernetes, API design; bachelor\u0002s degree required.
Aldridge: Builds electrical and foundation systems for critical infrastructure projects.
3+ YOE3+ years AEC experience, proficiency in C# (.NET) and Python, expertise with Dynamo/Grasshopper, advanced Revit and Navisworks knowledge, experience building plugins using Revit API, and SQL/NoSQL familiarity.
Autodesk Revit, Navisworks, Python, Dynamo, C# (.NET), Revit API, Autodesk Construction Cloud, Grasshopper, Rhino, SQL, NoSQL, AI
Milliman: Global provider of actuarial and risk management consulting services.
2+ YOE2+ years full-stack development experience; strong C#, .NET Core, SQL, RESTful API skills; experience with data/statistical or ML model integration; Azure cloud familiarity preferred; strong communication and testing practices.
C#, .NET Core, SQL, RESTful APIs, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure SQL, Python, CI/CD Pipelines, DevOps, Automated Testing Frameworks, Agile
Direct Supply: Supplies equipment and technology to senior living communities.
5+ YOE5-7+ years software development; 2+ years AI-powered apps; Bachelor's in CS or related; cloud experience (AWS/Azure); AI integration and mentoring.