36 api developer jobs at 28 companies in Portage, 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.
Whisker: Designs and manufactures automated pet care products and appliances.
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.
Horace MannNYSE: HMN: Providing insurance and financial solutions to educators and their families.
7+ YOEBachelor's in CS/IT or equivalent, 7+ years software development experience, technical leadership experience, strong proficiency with Java, .NET, SQL, DB2, SSIS, C#, COBOL, APIs; DevOps/CI/CD and AI experience preferred.
Alliant EnergyNASDAQ: LNT: Provides regulated electricity and natural gas services to customers.
3+ YOE3 years related experience; preferred bachelor's in IT; experience with React, APIs, Azure, Sitecore, integrations, Agile; apply AI and DevSecOps practices.
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOEU.S. citizen with eligibility for Public Trust clearance; 8+ years software development experience with strong back-end focus (Java/NodeJS), RESTful API design, Angular front-end, AWS cloud, Git/GitHub, and healthcare data experience.
Java, NodeJS, Angular, C#, .Net, TypeScript, XML, JSON, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams
Sentry Insurance: Provides commercial insurance, life insurance, and retirement plans.
2+ YOEBachelors required; minimum 2 years data engineering experience. Proficiency with Microsoft .NET, C#, REST API, JavaScript, ASP.NET MVC, SQL Server, Visual Studio/VS Code/SSMS, Git, Postman, Bootstrap, AutoMapper; agile and software design principles.
Microsoft .NET, C#, REST API, JavaScript, ASP.NET MVC, HTML, CSS, SQL Server, Microsoft Visual Studio, Microsoft Visual Studio Code, Microsoft SQL Server Management Studio, Git, Postman, Bootstrap, AutoMapper
Duluth Trading CompanyNASDAQ: DLTH: Retailer of workwear, casual apparel, and outdoor accessories.
5+ YOEBachelor's in CS (or equivalent), 5+ years software development, full-stack and PWA experience, proficiency with JavaScript/Python/Ruby, HTML5/CSS3/Node.js, REST APIs, strong communication, and US work authorization required.
InsperityNew York Stock Exchange: NSP: Provides human resources and business performance solutions to businesses.
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.
Flexion: Enterprise software development and agile consulting firm.
5+ YOE5+ years enterprise development experience with Java and Spring Boot, RESTful APIs, SQL/NoSQL, TDD and Agile practices; bachelor's degree or commensurate experience; strong collaboration and communication skills; ability to deliver high-quality code.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
Recovery.com: Matches patients with mental health and addiction treatment centers.
10+ YOE10+ years professional software engineering experience; deep TypeScript/full-stack expertise; proven architecture, API, scalability, and reliability experience; strong communication and mentorship skills.
Resource Innovations: Provides clean energy services and software solutions for utilities.
6+ YOEExpertise in PHP, Laravel, Vue.js; 10+ years with PHP frameworks; 6+ years with Vue; API design; AWS; Git; SaaS experience; testable code with Pest/PHPUnit; agile team experience.
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.
2+ YOEUS citizen with active/current Top Secret/SCI clearance, Bachelor's in CS/Engineering/GIS/STEM, 2+ years backend development experience using Python/Node.js/Java, ArcGIS Enterprise experience, containerization (Docker/Kubernetes), REST API design, and cloud familiarity.
Zendesk: Provides cloud-based software for customer service and support.
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.
Sub-Zero Group: Manufactures premium luxury kitchen refrigeration and cooking appliances.
3+ YOE3-5 years mobile development; 2+ years Flutter/Dart; RESTful APIs; cross-platform mobile app experience; UI/UX consistency; data modeling and database knowledge.
Flutter, Dart, RESTful APIs, Microsoft Dynamics CRM, Web-based CMS
Software Engineer - AI & Cloud Engineering (Early to Mid Career, WI Based)
Madison, Wisconsin, United States
OnsiteFull Time
Flexcompute: Develops GPU-native multiphysics simulation software for hardware engineers.
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
Johnson Health TechTaiwan Stock Exchange: 1736: Designs and manufactures commercial and residential fitness equipment.
4+ YOE4+ years application development / systems integration; 3+ years Power Automate and Power Platform; REST APIs, JSON, OAuth; Dynamics 365, SAP, Azure; Bachelor's degree.
Power Automate, Azure Logic Apps, Azure Functions, Dataverse, REST APIs, JSON, OAuth, Service Principals, Power Platform governance, DLP policies