197 api developer jobs at 117 companies in Wisconsin
🚀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.
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.
Florida or Texas or Illinois or New York or New Jersey or Alabama or Arizona or Arkansas or Colorado or Connecticut or Delaware or Georgia or Indiana or Kansas or Massachusetts or Missouri or North Carolina or Tennessee or Utah or Wisconsin
$174k-$189k/yrRemoteFull Time
TradeStation: Provider of online brokerage services and trading technology.
7+ YOE7+ MgmtLead API platform strategy, manage teams, design API governance, and drive cloud-native infrastructure—REST/GraphQL/gRPC with AWS/Kubernetes.
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.
Utah or Wisconsin or Alaska or Arkansas or Washington or Arizona or Virginia or Alabama or Texas or Pennsylvania or Oregon or Oklahoma or Ohio or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Idaho or Florida or Delaware or Connecticut or Missouri or Colorado or California or Wyoming
$125k-$135k/yrRemoteFull Time
Harris Computer: Provides mission-critical vertical market software and service solutions.
8+ YOEExpertise in Kotlin and Swift, modern mobile UI frameworks, mobile architectures and DI, REST API integration, mobile testing, CI/CD tooling, AI-assisted development experience, bachelor's or equivalent, 8+ years software development.
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.
2+ YOE2–6 years software development experience; Bachelor’s or Associate’s in CS or related preferred; full-stack development, API design, unit testing, cloud and container familiarity, version control, Agile experience.
Tennessee or Idaho or Arkansas or Nebraska or Louisiana or Missouri or Texas or Indiana or Nevada or Kentucky or Mississippi or Florida or South Carolina or West Virginia or New Mexico or North Carolina or Oklahoma or South Dakota or Alabama or Utah or Kansas or Iowa or Pennsylvania or Michigan or Wisconsin or Georgia or Montana or Arizona or North Dakota or Wyoming
RemoteFull Time
Sedgwick: Provides global insurance claims management and risk services.
7+ YOEBachelor's in CS/Engineering, 7+ years backend development, proficiency in Java/C#/Python/Node.js, REST/microservices, legacy integrations, SQL/NoSQL, Docker/Kubernetes, Kafka/RabbitMQ, API security and observability.
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.
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.
Green Bay or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
RemoteFull Time
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years software development with strong back-end focus (Java and/or NodeJS), Angular front-end, AWS cloud experience, RESTful API design, Public Trust eligibility, and U.S. citizenship.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, Microsoft Teams, XML, JSON, Electronic Data Interchange X.12 (EDI)
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
Arkansas or Arizona or Colorado or Florida or Georgia or Idaho or Indiana or Illinois or Iowa or Kansas or Massachusetts or Maryland or Minnesota or Missouri or Montana or North Carolina or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia
$130k-$160k/yrRemoteFull Time
OpenEd: Personalized online education program partnering with public schools.
3+ YOE3-5 years professional software development experience; strong React and modern Typescript skills; CS degree, bootcamp, or equivalent; experience with HTML/CSS and API integration; strong communication and remote work ability.
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.
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yrRemoteFull Time
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years backend software development with Java and Spring Boot, experience in microservices, GraphQL/REST APIs, databases, cloud-native patterns, CI/CD, code reviews, and mentoring.
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
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
6+ YOE6+ years software engineering with strong SQL/Oracle/PL/SQL and Unix scripting; production support experience; experience with Snowflake, Kafka, GitHub, CI/CD, Apache Airflow, APIs and AI/ML; on-call production support experience.