36 api engineer jobs at 19 companies in Fond du Lac, WI
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Controls Engineer
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
2+ YOEBachelor's degree in engineering and 2+ years of machine controls or automation experience. Requires PLC/HMI programming, controls integration, commissioning, and knowledge of industrial connectivity and safety standards.
PLCs, HMIs, Python, OPC-UA, MQTT, SQL, APIs, Power BI, Microsoft Office, Microsoft Project, Visio, AI/ML, robots, machine vision, motion control, drives, laser systems, data historians, edge devices, digital twins
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Controls Engineer
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
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
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Senior Integrations Engineer
Delafield, Wisconsin, United States
OnsiteFull Time
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
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
2mo
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Marketing Technology Engineer
West Bend or United States
$76k-$96k/yr HybridFull Time
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
3mo
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Senior AI Solutions Engineer
Oconomowoc, Wisconsin, United States
OnsiteFull Time
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
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Integration Developer (840017)
Pewaukee or Illinois or Iowa or Michigan or Minnesota
$1/yr HybridFull Time
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
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Lead Software Engineer
Fond du Lac or Appleton or Oshkosh
HybridFull Time
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
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PHP Developer
Auburn Hills or Juneau
OnsiteFull Time
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
3w
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SERVICENOW PLATFORM DEVELOPER, FCH - ITSM (1023586001)
Menomonee Falls, Wisconsin, United States
$38-$65/hr RemoteFull Time
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
2mo
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Senior Power Platform Developer, Dynamics 365 CRM
Appleton or United States
$95k-$125k/yr RemoteFull Time
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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Front End Developer
Germantown, Wisconsin, United States
HybridFull Time
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
6d
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Staff Data Engineer, Data Platform - IntelliScript (Remote)
Brookfield or United States or Alaska or California or Connecticut or Illinois or Maryland or Massachusetts or New Jersey or New York or New York City or Pennsylvania or Virginia or Washington or District of Columbia
$132k-$250k/yr RemoteFull Time
15+ YOERequires 15+ years designing data platform solutions, expert Databricks and AWS experience, relational and non-relational databases, healthcare standards, data modeling, APIs, ETL, Terraform, GitHub, and strong collaboration skills.
Databricks, AWS, SQL Server, PostgreSQL, DynamoDB, DocumentDB, Delta Live Tables, Python, Scala, Fivetran, Salesforce, Terraform, GitHub, FHIR, OMOP, C-CDA, HL7, ICD10, SNOMED, NDC, LOINC, RxNorm, Asset Bundles, SQL
6d
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Full-Stack Software Engineer (React, .NET/C#)
Neenah, Wisconsin, United States
$93k-$98k/yr RemoteFull Time
3+ YOEAssociate degree in computer science or technology preferred, bachelor's preferred; 3+ years software development experience; React, .NET/C#, REST APIs, SQL Server, SDLC, AI-assisted tools, and secure coding knowledge.
React, ASP.NET MVC, .NET, C#, SQL Server, REST APIs, GitHub Copilot, Software Development Life Cycle (SDLC), OWASP
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Senior Product Support Specialist
Menasha, Wisconsin, United States
HybridFull Time
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
6d
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IT ERP Product Lead, Senior
Grafton, Wisconsin, United States
$131k-$186k/yr HybridFull Time
5+ YOEBachelor's degree in computer science, electronic engineering, or related field plus 5 years of software development experience, including integration, security, testing, messaging, and API architecture.
Software AG WebMethods Suite, Rabbit MQ, Mulesoft MQ, Azure MQ, JMS, Kafka, ActiveMQ, RESTful, SOA, microservices
2mo
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Visual Inspector - CWI
Neenah, Wisconsin, United States
OnsiteFull Time
2+ YOECertified Welding Inspector (CWI) required; 5–10 years' experience or minimum 2 years on-site; API experience a plus; in-depth knowledge of CWI and ASME standards; experience supporting petrochemical engineers.
1mo
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IT Enterprise Solution Architect
Hartland, Wisconsin, United States
OnsiteFull Time
7+ YOEBachelor's degree in CS/IS/Engineering, 7+ years in solution architecture, expertise with API-first, microservices, cloud-native and serverless, Microsoft Azure, .NET, Angular/React, CI/CD and DevOps practices, experience with enterprise retail platforms.
Microsoft Azure, .NET, Angular, React, CI/CD pipelines, POS, ERP, CRM, eCommerce, WMS, PIM
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Data Architect
Mequon, Wisconsin, United States
HybridFull Time
6+ YOEBachelor's degree or equivalent experience, 6+ years in data architecture/engineering, experience with enterprise data ecosystems, data governance, cloud data technologies, and strong communication skills.
Azure Data Services, Snowflake, Databricks, PySpark, SQL, Python, Tableau, Power BI, Alteryx, Kafka, CDC, APIs, Oracle EBS
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Software Test Engineering Manager (IGEN)
Appleton, Wisconsin, United States
HybridFull Time
5+ YOE3+ MgmtBachelor's degree or equivalent, 5+ years QA/automation/SDET experience, 3+ years leadership, strong automation, API/CI-CD, cloud-native (Azure) experience, programming (C#, JavaScript, Python, Java).
Microsoft Azure, Microsoft Azure DevOps, GitHub, GitHub Actions, .NET, Selenium, Playwright, Cypress, C#, JavaScript, Python, Java, Microsoft Entra, IAM
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