42 api engineer jobs at 27 companies in Eden, WI

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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. 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.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
1mo
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Controls Engineer
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
Milwaukee Tool
Milwaukee ToolHong Kong Stock Exchange: 0669: Manufacturer of professional-grade power tools and jobsite solutions.
2+ YOEBachelor's in engineering, 2+ years in machine controls/automation, PLC/HMI programming, Python, industrial networking and data systems, project leadership, and ability to support equipment commissioning and supplier integration.
PLCs, HMIs, Python, OPC-UA, MQTT, SQL, APIs, data historians, edge devices, robots, vision, safety devices, laser systems, drives, Microsoft Office, Microsoft Project, Microsoft Power BI, Microsoft Visio
4w
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Senior Integrations Engineer
Delafield, Wisconsin, United States
OnsiteFull Time
Evans Transportation Services
Evans Transportation Services: Provides third-party logistics and end-to-end transportation management solutions.
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
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Sr Software Engineer
Raleigh or Neenah
OnsiteFull Time
Jewelers Mutual
Jewelers Mutual: Provides insurance and risk management for the jewelry industry.
5+ YOE5+ years software engineering experience with deep React expertise, JavaScript/TypeScript, state management, RESTful/GraphQL APIs, platform modernization, mentoring, and Agile experience.
React, JavaScript, TypeScript, GraphQL, RESTful APIs, Angular, C#, Node, AWS, Databricks, CI/CD, Scrum, Kanban
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Integration Developer - Integrations, Data & AI Solutions
Pewaukee, Wisconsin, United States
HybridFull Time
Boelter
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
2w
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Software Engineer
Wauwatosa or Bellevue or Grand Rapids or Atlanta
$77k-$105k/yr OnsiteFull Time
KION Group
KION GroupXETRA: KGX: Provides industrial trucks and automated supply chain solutions globally.
2+ YOEBachelor's degree in CS or Software Engineering, minimum 2 years professional software development, proficiency in C/C++/C#, version control (Azure TFS or Git), RESTful APIs, Agile methodologies, strong communication and problem-solving.
C, C++, C#, Azure TFS, Git, RESTful API
2mo
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Marketing Technology Engineer
West Bend or United States
$76k-$96k/yr HybridFull Time
Delta Defense
Delta Defense: Provides operational support and insurance for the USCCA.
3+ YOE3+ years MarTech/marketing operations experience; HS diploma required, bachelor’s preferred; authorized to work in the U.S.; working knowledge of JSON, dataLayer/event schemas, Regex, Liquid, HTML/CSS, SQL, JavaScript, APIs/webhooks; experience with Braze, Segment, GTM, GA4, Salesforce, CMS, testing tools.
JSON, Regex, Liquid, HTML, CSS, SQL, JavaScript, APIs, Webhooks, Braze, Segment, Google Tag Manager, GA4, Salesforce, CMS tools, A/B testing tools, analytics platforms, browser developer tools
2mo
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Software Engineer lll - ERP
Waterloo, Wisconsin, United States
OnsiteFull Time
Trek Bicycle
Trek Bicycle: Designs, manufactures, and retails bicycles and related cycling gear.
5+ YOE5+ years ERP development; JDE expertise; end-to-end ERP lifecycle; mentor junior engineers.
JDE Orchestrator, Form Design Aid, Report Design Aid, Business Function development, APIs, EDI, web services, middleware, data integration
2w
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Software Engineer
Wauwatosa or Bellevue or Grand Rapids or Atlanta
$77k-$105k/yr OnsiteFull Time
KION Group
KION GroupFrankfurt Stock Exchange: KGX: Supplies industrial trucks and automated supply chain technology.
2+ YOEBachelor's in CS or related, 2+ years professional software development, proficiency in C/C++/C#, Azure TFS or Git, RESTful API and microservices experience, strong communication and problem-solving.
C, C++, C#, Azure TFS, Git, RESTful API, microservices
3mo
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Senior AI Solutions Engineer
Oconomowoc, Wisconsin, United States
OnsiteFull Time
Bruno
Bruno: Manufactures stair lifts and home accessibility equipment.
6+ YOEBachelor's in computer science or related,6+ years experience (3+ in manufacturing preferred),proven AI-first agentic LLM development workflow,polyglot coding across stacks,SQL,REST APIs,GIT,BI,prompt engineering.
Claude Code, GitHub Copilot Workspace, Cursor, Windsurf, .NET, C#, JavaScript, TypeScript, Python, Epicor, Jitterbit, Salesforce, SQL, RESTful APIs, GIT, Microsoft Office
2d
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Integration Developer (840017)
Pewaukee or Illinois or Iowa or Michigan or Minnesota
$1/yr HybridFull Time
Waukesha County Technical College
Waukesha County Technical College: Public college providing vocational and technical higher education.
2+ YOEBachelor’s degree in Computer Science, Information Systems, or related field; 2+ years of API/SDK integration experience; proficiency in Python, PHP, JavaScript, Java, JSON, REST APIs, Git, and integration tools.
Python, JSON, RESTful APIs, PHP, Postman, Bruno, Swagger/OpenAPI, Git, JavaScript, Java, OAuth, OpenID Connect, SQL, ETL, WCAG, FERPA, Banner, Ellucian
3d
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Lead Software Engineer
Fond du Lac or Appleton or Oshkosh
HybridFull Time
J. F. Ahern Co.
J. F. Ahern Co.: Mechanical and fire protection contracting and pipe fabrication services.
7+ YOE2+ MgmtRequires 7 years developing full-stack software, including 2 years in technical leadership, strong communication, collaboration, and experience with business applications, APIs, integrations, and databases.
C#, .NET Core, Angular, SQL, TypeScript, JavaScript
2mo
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PHP Developer
Auburn Hills or Juneau
OnsiteFull Time
Whisker
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.
PHP, Laravel, Symfony, REST APIs, SQL, JavaScript, React, Vue, Angular, SASS/LESS, Webpack, Gulp, Grunt, Docker, Git, Azure
2w
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SERVICENOW PLATFORM DEVELOPER, FCH - ITSM (1023586001)
Menomonee Falls, Wisconsin, United States
$38-$65/hr RemoteFull Time
Froedtert Health
Froedtert Health: Provides academic healthcare, medical research, and education in Wisconsin.
3+ YOEMinimum 3 years ServiceNow development experience, ServiceNow CSA/CAD/CIS required, proficiency in JavaScript/AngularJS/HTML/CSS, experience with Glide/REST/SOAP APIs, ITSM/ITOM/IRM/SPM exposure, bachelor's-level technical knowledge.
ServiceNow, Glide API, REST API, SOAP API, JavaScript, AngularJS, HTML, CSS, PowerShell, Python
1mo
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Senior Power Platform Developer, Dynamics 365 CRM
Appleton or United States
$95k-$125k/yr RemoteFull Time
The Boldt Company
The Boldt Company: General contractor and construction management firm for large-scale projects.
5+ YOEBachelor’s degree or equivalent experience; 5+ years development with Microsoft Power Platform and Dynamics 365 CRM; expertise in Power Apps, Dataverse, Power Automate, integrations (APIs, Logic Apps), Azure DevOps, deployments and release pipelines; driver's license may be required.
Power Apps, Power Automate, Dataverse, Dynamics 365, Dynamics 365 Sales, Azure DevOps, Databricks, Power BI, Microsoft Copilot, GitHub Copilot, Logic Apps, APIs
1mo
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Software Developer (GIS)
Waukesha, Wisconsin, United States
OnsiteFull Time
Ruekert & Mielke
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.
ArcGIS Pro, ArcGIS Online, ArcGIS Enterprise, ArcGIS Dashboards, ArcGIS Field Maps, Survey123, VertiGIS Studio, AWS, SQL, NoSQL, REST APIs, Python, JavaScript, TypeScript
1w
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Front End Developer
Germantown, Wisconsin, United States
HybridFull Time
Ellsworth Corporation
Ellsworth Corporation: Global distributor and manufacturer of specialty chemicals and adhesives.
5+ YOE5+ years front-end experience with HTML/CSS/JavaScript and modern frameworks; experience with Makeswift or BigCommerce page builders, accessibility (WCAG), responsive design, API integration, and Git. Bachelor's degree preferred.
HTML, CSS, JavaScript, Makeswift, Big Commerce B2B Page Builder, BigCommerce B2B Page Builder, React, Vue, Angular, Git
1mo
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Sr Developer - Enterprise Integration
Milwaukee or Glendale
$89k-$105k/yr OnsiteFull Time
Johnson Controls
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)
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Director Engineering, PCS IoMT Core
Waukesha, Wisconsin, United States
OnsiteFull Time
GE HealthCare
GE HealthCareNasdaq: GEHC: Develops and sells medical imaging and diagnostic technology.
8+ YOE3+ MgmtBachelor's in CS or related, 8+ years software engineering experience with 3+ years people management; experience with SDKs, platform services, cloud/edge deployments, containerization, CI/CD, API design, vendor management; healthcare/regulatory experience preferred.
Axone SDK, Kubernetes, CI/CD
3mo
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Senior Product Support Specialist
Menasha, Wisconsin, United States
HybridFull Time
Faith Technologies
Faith Technologies: Provides electrical engineering, construction, and sustainable energy solutions.
5+ YOEBachelor’s degree in a related technical field with 5 years of relevant industrial/utility electrical equipment experience, or equivalent technical training with 8 years of experience. Experience with troubleshooting electrical distribution systems and protocols (Modbus, Ethernet, CAN, BMS, APIs). ERP/CRM experience (Salesforce, Service Cloud, Acum...
Salesforce, Service Cloud, Acumatica, Modbus, Ethernet, CAN, BMS, APIs