34 api engineer jobs at 24 companies in Waupun, WI

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
3w
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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
1mo
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Automation Systems Engineer
Oshkosh, Wisconsin, United States
OnsiteFull Time
Amcor
AmcorNYSE: AMCR: Develops and produces flexible and rigid packaging solutions globally.
5+ YOE5+ years in automation/packaging environments; BS in Electrical/Mechanical/Mechatronics/Systems/Automation Engineering; experience with PLCs, SCADA, IoT, MES, robotics; travel ~30%; multiple certifications in robotics and industrial networking.
Rockwell Automation, Inductive Automation Ignition, Fanuc Robotics, Cognex Vision Systems, Keyence Vision Systems, SQL, OPC UA, MQTT, REST API, AGVs, AMRs, AS/RS, EtherNet/IP, Profinet, Modbus, IoT, MES, SCADA, Industrial Networking
1w
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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
3w
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Software Engineer
Neenah, Wisconsin, United States
OnsiteFull Time
SECURA Insurance
SECURA Insurance: Provides property and casualty insurance to businesses and farms.
5+ YOEBachelor's in CS/IT, 5+ years software engineering experience, proficiency with Java and .NET; experience with integrations, APIs, and maintaining web applications; AI tooling experience and mentoring ability preferred.
Java, .NET, Blazor, Duck Creek Software Solutions, REST, Azure DevOps (ADO), Azure AppServices
3w
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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
1mo
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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
1mo
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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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Senior AI Solutions Engineer
Oconomowoc, Wisconsin, United States
HybridFull Time
Bruno Independent Living Aids
Bruno Independent Living Aids: Manufacturer of mobility and accessibility products for homes and vehicles.
6+ YOEBachelor’s in CS or related field; 6+ years progressive exp, 3 in manufacturing; AI-first development with agentic LLM tools; polyglot across languages; SQL, REST APIs, system integrations, GIT, BI, vendor mgmt; strong prompt engineering.
Claude Code, GitHub Copilot, Cursor, Windsurf, Epicor, Jitterbit, Salesforce, SQL, GIT
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
2mo
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Senior Software Engineer - Digital
Waukesha, Wisconsin, United States
OnsiteFull Time
GE HealthCare
GE HealthCareNasdaq: GEHC: Develops and sells medical imaging and diagnostic technology.
4+ YOEBachelor's in Computer Science/ STEM with 4+ years experience; EHR system experience; RESTful APIs; C#; Windows/Linux knowledge.
REST APIs, C#, Relational Database, Windows, Unix, Linux
3d
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Software Developer
Appleton or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years back-end software development with Java and/or NodeJS, Angular front-end experience, AWS cloud skills, RESTful API design, Git/GitHub, unit/integration testing, Public Trust clearance eligibility, U.S. citizenship required.
Java, NodeJS, Angular, C#/.Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams
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
2w
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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
1mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Saint Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
NV5
NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.
2+ YOEUS citizen with active/current Top Secret/SCI, bachelor’s in CS/Engineering/GIS/STEM, 2+ years backend engineering experience, Python/JavaScript/Node.js/Java, REST APIs, ArcGIS Enterprise, Docker/Kubernetes, cloud familiarity and strong collaboration skills.
Esri, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Python, JavaScript, Node.js, Java, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL/PostGIS, SQL Server, REST
2mo
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Full Stack Engineer, Senior
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/yr HybridFull Time
Ascendiun
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.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
2w
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Software Developer - Milwaukee P&C Mortgage Solutions - Hybrid
Brookfield, Wisconsin, United States
HybridFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
2+ YOE2+ years full-stack development experience; strong C#, .NET Core, SQL, RESTful API skills; experience with data/statistical or ML model integration; Azure cloud familiarity preferred; strong communication and testing practices.
C#, .NET Core, SQL, RESTful APIs, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure SQL, Python, CI/CD Pipelines, DevOps, Automated Testing Frameworks, Agile
2mo
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Power Automate/Power Platform Developer
Cottage Grove, Wisconsin, United States
OnsiteFull Time
Johnson Health Tech
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
2mo
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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
2mo
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Partner Solutions Architect
Denver or Appleton
$120k-$140k/yr HybridFull Time
Render Networks
Render Networks: SaaS platform for digitizing telecom and energy infrastructure construction.
5+ YOETechnical bachelor’s degree and 5+ years in software/API integration, cloud, or systems engineering; strong API/middleware experience; programming skills; GIS/geospatial knowledge; architecture and prototyping experience.
Python, JavaScript, Go, DotNet, Java, GIS, APIs
3w
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AI Adoption and Implementation Lead
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
Alto-Shaam
Alto-Shaam: Manufactures professional foodservice equipment for commercial kitchens.
3+ YOEBachelor's degree or equivalent, 3+ years in systems integration/automation/software development or AI implementation; hands-on LLM and prompt engineering experience; experience integrating AI with ERP/CRM/SharePoint/MES via APIs; strong communication and project management skills.
Oracle Fusion Cloud, Microsoft 365, SharePoint, CRM, MES, Large language models (LLMs), Retrieval-augmented generation (RAG), APIs