237 api engineer jobs at 126 companies in Wisconsin

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Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
U.S. Bank
U.S. BankNew York Stock Exchange: USB: Diversified financial services and banking institution.
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.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
2w
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Sr MES Platform Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
Milwaukee Tool
Milwaukee Tool: Professional power tool, hand tool, and accessory manufacturer.
8+ YOEBachelor's degree in engineering, information technology, computer science, or related field; 8+ years in manufacturing IT; platform integrations, API development, industrial connectivity, troubleshooting, networking, and stakeholder communication.
API, OPC, MQTT, Modbus, Tulip, Kepware, Litmus, Oracle ERP
1w
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Staff IoT Cloud Engineer
Madison, Wisconsin, United States
OnsiteFull Time
Sub-Zero Group, Inc.
Sub-Zero Group, Inc.: Family-owned luxury kitchen-appliance manufacturer serving high-end homes with refrigeration, cooking, and dishwashing products.
Defines cloud architecture and technical strategy; designs distributed systems, APIs, event-driven architectures, and data platforms; leads reviews, automation, governance, collaboration, and engineering mentorship.
APIs, CI/CD, Infrastructure as Code
1w
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Sr. Software Engineer II, Platform/API
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yr HybridFull Time
NinjaTrader
NinjaTrader: Privately held futures trading platform and brokerage serving retail and professional futures traders.
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
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Automation Engineer
Milwaukee, Wisconsin, United States
$85k-$90k/yr OnsiteFull Time
Milwaukee Bucks
Milwaukee Bucks: American professional basketball team competing in the NBA, serving Milwaukee through games, entertainment, and community programs.
5+ YOEBachelor's or equivalent experience,5+ years software development and API experience,Python/C/C++ preferred,Anthropic Claude preferred,Agile and project management experience,ability to travel and work flexible hours.
Anthropic Claude, Python, C, C++, APIs, Agile Framework
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Quality Engineer I
Madison, Wisconsin, United States
$61k-$123k/yr OnsiteFull Time
Exact Sciences
Exact SciencesNASDAQ: EXAS: Molecular diagnostics focused on cancer screening and tests.
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
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Knowledge Engineer - Back End
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$26-$94/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent experience.
R2RML, SPARQL, StarDog, GraphWise, Neo4J, Elasticsearch, OpenSearch, SQL, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Python, Java, REST API, Docker, Kubernetes, GraphQL, D3.js, Cytoscape.js, AWS Neptune, Azure Cosmos DB, Kafka, RabbitMQ, Terraform, Helm
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Technology providing integrated management software, websites, payments, and services to self-storage, marine, RV, and campground operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
2w
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AI Engineer III
Arkansas or Colorado or Georgia or Illinois or Iowa or Kansas or Louisiana or Minnesota or Missouri or Montana or Nebraska or New Mexico or North Dakota or Oklahoma or South Dakota or Texas or Wisconsin or Wyoming or Tulsa
$114k-$172k/yr RemoteFull Time
ONEOK
ONEOKNYSE: OKE: Publicly traded U.S. midstream transports natural gas, NGLs, refined products and crude oil for energy markets.
5+ YOEBachelor's degree and 5+ years of software engineering experience shipping production AI/ML systems. Requires Python, LLM systems, cloud platforms, APIs, production operations, and strong communication skills.
Python, R, SQL, Spark, Databricks, Snowflake, Large Language Models (LLMs), Anthropic, AWS Bedrock, OpenAI, AWS, Azure, Terraform, Software Development Lifecycle (SDLC), Continuous Integration/Continuous Deployment (CI/CD), ADO, GitHub, GitLab
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Senior Engineer, Internal Developer Platform
Madison or Boston or Englewood or Denver
$99k-$167k/yr HybridFull Time
American Family Insurance
American Family Insurance: Mutual U.S. insurance providing auto, home, life and business coverage to individuals and businesses.
Experience with cloud platforms, Kubernetes, Terraform, CI/CD, Backstage, observability, SRE, programming, APIs, Linux, networking, and DevSecOps practices.
AWS, GCP, Kubernetes, Infrastructure-as-Code, Backstage.io, TypeScript, Node.js, React, Backstage Software Catalog, Backstage's Scaffolder, VPC, IAM, S3, EKS, GKE, Terraform, Crossplane.io, Docker, GitLab CI/CD, JFrog Artifactory, Python, Go, Bash, Datadog, APM, JavaScript, REST, GraphQL, Git, Agile, CloudFormation, Jenkins, GitHub Actions, Bitbucket pipelines, GitOps, Argo CD, Flux, VNet, DNS, Linux, DevSecOps, SBOM
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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
Lake Superior Consulting
Lake Superior Consulting: Private engineering consulting firm serving energy infrastructure operators with pipeline engineering, integrity management, inspection, and field services.
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
4d
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Cloud Engineer Intern
Spring or Westford or Fort Collins or Chippewa Falls or Durham or Sunnyvale or Roseville or San Jose or Bloomington or Andover
$35-$46/hr HybridFull Time, Internship
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Global edge-to-cloud advancing how people live and work.
Pursuing a bachelor's or master's degree in computer science, computer engineering, software development, or IT; knowledge of programming, cloud systems, OOP, databases, Linux, networking, and software development.
C, C++, Python, JavaScript, Java, Object-Oriented Programming (OOP), Model View Controller (MVC), SQL, NoSQL, GNU, Linux, IPC, TCP/IP, Java frameworks, SOAP, REST API, Angular, Node, React.js, Git
1mo
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Senior Integrations Engineer
Delafield, Wisconsin, United States
OnsiteFull Time
Evans Transportation Services
Evans Transportation Services: Privately owned U.S. third-party logistics provider delivering customized transportation-management solutions to North American shippers.
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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Software Engineer I
Columbus or Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Vermont or Washington or West Virginia or Wisconsin or Wyoming
$82k-$101k/yr HybridFull Time
Cummins Inc.
Cummins Inc.NYSE: CMI: Global power leader in engines, powertrains, and energy solutions.
Bachelor's degree in computer science, engineering, or related field; software engineering experience preferred. Requires AWS, APIs, databases, cloud, Agile, testing, and distributed systems familiarity.
AWS, APIs, databases, telemetry, logging platforms, Microsoft Excel
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Sr Electrical & Controls Engineer
Illinois or Indiana or Wisconsin or North Carolina or Iowa or Ohio or Texas or Michigan
RemoteFull Time
Güntner Group
Güntner Group: A world-leading in the manufacture of refrigeration and heat exchange products with a strong global presence.
4+ YOEPE preferred (EIT required),4+ years electrical engineering experience focused on NEC/UL508A and controls, NEC/UL508A knowledge, project management, Modbus/BACnet familiarity, strong communication and technical leadership.
Modbus, BACnet, Ethernet/IP, MQTT, API, webhook, Microsoft Azure, PLC, HMI
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Lead Automation Engineer
Green Bay, Wisconsin, United States
OnsiteContract
Bridgenext
Bridgenext: U.S.-based global digital consultancy engineering AI, data, digital products, infrastructure, and customer experiences for enterprise clients.
10+ YOE10+ years IT experience, coding in Java or Python, API/web/mobile automation, UI automation, CI/CD (Jenkins/Circle CI/Gitlab), relational and NoSQL DB exposure, Jira, test planning, and QA leadership.
Java, Python, Jenkins, Circle CI, Gitlab, Jira, Springboot, Kubernetes, Gherkin, NoSQL
4d
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Responsible AI Engineer
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$68k-$220k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOEBachelor's degree or equivalent experience, 3+ years developing AI and machine learning solutions, 3+ years with programming, frameworks, APIs, version control, databases, and cloud platforms; responsible AI experience preferred.
Python, R, Java, Scikit-learn, TensorFlow, PyTorch, Django, Flask, FastAPI, GitHub, Bitbucket, AWS, Azure, Google Cloud, Hadoop, Spark
2w
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Marketing Engineer — AI Enablement & Automation
United States or Logan or Alaska or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$140k-$160k/yr HybridFull Time
iFIT
iFIT: Private health-and-fitness technology providing connected workout software, content, and exercise equipment to consumers worldwide.
3+ YOE3+ years in technical marketing or data roles; strong Python and SQL; ad-platform API automation; agentic AI coding tools; AWS cloud fundamentals; U.S. work authorization without sponsorship.
Claude Code, Snowflake, GA4, SAP, AWS, Python, SQL, Meta, Google Ads, Reddit, Impact.com, Search Console, AWS Secrets Manager, Lambda, S3, IAM, dbt, BigQuery, MCP, n8n, Airflow, Step Functions, Branch, AppsFlyer
4d
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Cloud Engineer Graduate
Spring or Westford or Fort Collins or Chippewa Falls or Durham or Sunnyvale or Roseville or San Jose or Bloomington or Andover
$82k-$188k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Global edge-to-cloud advancing how people live and work.
0+ YOEBachelor's degree in statistics, operations research, computer science, or equivalent; 0–2 years of experience; programming knowledge and familiarity with cloud systems, OOP, MVC, databases, Linux, networking, and Git.
C, C++, Python, JavaScript, Java, SQL, NoSQL, GNU, Linux, TCP/IP, Git, Angular, Node.js, React.js, SOAP, REST API, WebSockets, Object-Oriented Programming (OOP), Model View Controller (MVC)
5d
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Principal Sales Engineer
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Maine or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Hampshire or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington or Wisconsin
$200k-$210k/yr RemoteFull Time
IDC
IDC: Private U.S. market intelligence and advisory providing technology research, data, consulting, and events to technology decision-makers.
8+ YOERequires 8+ years in SaaS sales engineering or pre-sales, leadership or player-coach experience, enterprise deal expertise, and technical knowledge of APIs, integrations, security, and AI/LLM platforms.
APIs, MCP, AI, LLM, Claude, Gemini, MCP connectors