13 api engineer jobs at 7 companies in Black River Falls, 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.
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$85k-$115k/yrRemoteFull Time
Schurz Communications: Broadband, cloud services, and digital media provider.
5+ YOE5+ years with BSS/OSS in telecom, experience with CRM, billing, provisioning, scripting (Python, Bash, SQL), REST APIs, data flows/ETL, IP networking fundamentals, strong troubleshooting and cross-functional communication.
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$85k-$115k/yrRemoteFull Time
Schurz Communications: Family-owned provider of broadband, cloud, and IT services.
5+ YOE5+ years with BSS/OSS in telecom/ISP, hands-on CRM, billing and BI platforms, scripting in Python/Bash/SQL, REST API integration, IP networking fundamentals, strong troubleshooting and communication, bachelor’s degree or equivalent.
Blair or British Columbia or Manitoba or Ontario or Alberta or Saskatchewan or Wisconsin or Arizona or Nebraska or Utah or Texas or Minnesota or Tennessee or South Dakota or Kansas or Iowa or Illinois or North Dakota or Missouri or Colorado
$40k-$65k/yrRemoteFull Time
Harris Computer: Provides mission-critical vertical market software and service solutions.
Proven software development experience with MSSQL, REST API, C#, .NET Core, and Angular; associates degree in CS/Engineering; valid passport and ability to travel ~10%; strong communication and problem‑solving.
Menards: Operates a chain of big-box home improvement retail stores.
5+ YOE5+ years software testing/quality engineering experience; proficiency with JavaScript/TypeScript, Playwright, SQL, Git, CI/CD; experience with performance testing tools and API/integration testing; ability to lead testing and mentor engineers.
Menards: Operates a chain of big-box home improvement retail stores.
3+ YOE3+ years software testing experience, 3+ years with JavaScript/TypeScript and Playwright or similar, strong SQL and API testing skills, experience with CI/CD and Git, performance testing tools, Agile/DevOps experience, and ability to mentor junior QA engineers.
Trane TechnologiesNYSE: TT: Global provider of heating, ventilation, and air conditioning solutions.
5+ YOE5+ years in software QA, 1+ year with LLM/agent systems, hands-on with AI coding agents and Anthropic/OpenAI APIs, prompt engineering, test design across layers, ability to read/modify C#, Python, or JavaScript code, experience with GitHub Actions, Jira, Playwright/BUnit/xUnit/NUnit.
Claude Code, Cursor, Copilot Workspace, Anthropic API, OpenAI API, C#, Python, JavaScript, GitHub Actions, Jira, Playwright, BUnit, xUnit, NUnit, JSON Schema, Microsoft .NET 10.0, Blazor, ASP.NET Core, Razor, PostgreSQL, EF Core, EnergyPlus
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years backend-focused software development experience with Java and/or NodeJS, RESTful API design, Angular, cloud (AWS), healthcare EDI knowledge, US citizenship and ability to obtain Public Trust.
Java, NodeJS, JavaScript, TypeScript, Angular, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOEU.S. citizen with 8+ years developing back-end services (Java/NodeJS), RESTful APIs, Angular front-end, cloud (AWS/Azure), Git/GitHub, EMR/EDI healthcare data familiarity, and ability to obtain Public Trust clearance.
Java, NodeJS, JavaScript, TypeScript, Angular, C#/.Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JIRA, JUnit, Jest, Docker, ECS, EKS, Microsoft Teams, RESTful APIs, XML, JSON, Electronic Data Interchange X.12 (EDI)
Menards: Operates a chain of big-box home improvement retail stores.
Design and build infrastructure automation using Linux shell, Python, Ansible/AWX; develop IaC and APIs, containerized execution environments, and Git/Bitbucket source control; bachelor's or associate degree or equivalent experience; must be eligible to work in the US and relocate to Eau Claire, WI.
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
8+ YOE8+ years in contact center telephony; 2+ in Amazon Connect; 4+ in routing/CTI/WFM/telephony; 1+ in AI/GenAI in contact centers; CI/CD/IaC; Python/Node.js/Java; US citizenship; ability to obtain security clearance.
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
12+ YOEBachelor’s or Master’s in computer science or information systems; 12+ years embedded software experience; strong C/C++, Python, Go; Linux development; RESTful APIs; firmware security features (HWRot, IDEVID, Platform Certificates); SDLC mastery.
C, C++, Python, Go, Linux, RESTful API, Firmware Security Features
Davidson or Minneapolis or La Crosse or Dublin or Galway or Clarksville
$147k-$205k/yrHybridFull Time
Trane TechnologiesNYSE: TT: Global provider of heating, ventilation, and air conditioning solutions.
8+ YOEBachelor's in CS/Engineering, 8+ years IT experience in integration/middleware architecture, API and event-driven design, on‑prem and SaaS integration, strong communication and leadership, diagramming and Git experience.
Miro, Draw.io, Google Apigee, AWS integration services, Oracle Integration, Oracle Fusion Middleware, SOA Suite, GitHub