49 sr api developer jobs at 31 companies in Milwaukee, 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
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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Sr Developer - Enterprise Integration
Milwaukee or Glendale
$89k-$105k/yr OnsiteFull Time
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)
1mo
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Sr. Software Quality Engineer, Android/Mobile
Milwaukee or United States
OnsiteFull Time
4+ YOEBachelor's in STEM and 4 years manual/automation testing experience; Android device testing with ADB/DDMS/Monkey/Memory Analyzer; automation in C++, Java, Python or JavaScript; experience with JIRA, MySQL, Jenkins, Git; REST API and SQL testing.
ADB, DDMS, Monkey, Memory Analyzer, C++, Java, Python, JavaScript, JIRA, MySQL, Jenkins, Git, SQL, REST API, Android emulator
2d
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Sr Data Engineer
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
5+ YOEBachelor's degree in a technical field and 5+ years of data or software engineering experience; SQL, programming, ETL/ELT, cloud platforms, data modeling, and data quality expertise required.
SQL, Python, C#, Java, Scala, Azure, AWS, Spark, Databricks, Airflow, dbt, Fabric, APIs
3w
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Sr Threat Hunt Engineer
Milwaukee or New York City or Wisconsin
$119k-$178k/yr HybridFull Time
5+ YOE5+ years in threat intelligence/hunting/detection engineering; strong scripting (Python), SIEM/EDR experience, REST API and automation skills, MITRE ATT&CK knowledge, ability to communicate technical findings.
Python, PowerShell, Bash, REST APIs, SIEM, EDR, SOAR, CI/CD, MITRE ATT&CK, OSINT
2w
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Sr. Automation Test Engineer
North Chicago, Illinois, United States
RemoteFull Time
8+ YOEUS citizen able to pass IT-II background; 8+ years software testing,5+ years Java+Selenium automation; experience with API, performance and CI/CD testing; familiarity with Jenkins,AWS,JMeter,POSTMAN; strong communication and Agile experience.
Java, Selenium, JMeter, POSTMAN, Cucumber, Jenkins, AWS, TestNG, Gatling, OWASP, Zephyr, TestRail, JIRA, Confluence, SpecFlow
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Software Engineer
Delafield, Wisconsin, United States
OnsiteFull Time
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
3d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City 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 Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2mo
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Software Engineer lll - ERP
Waterloo, Wisconsin, United States
OnsiteFull Time
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
2d
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AI & Automation Engineer
North Chicago, Illinois, United States
$85k-$162k/yr HybridFull Time
4+ YOEBachelor's degree plus 5 years or master's degree plus 4 years in software engineering, automation, or integration development. Requires Python, Golang, RESTful APIs, Agile/Scrum, Git, testing, and cross-functional collaboration.
Python, Golang, Cortex XSOAR, Retrieval-Augmented Generation (RAG), Model Context Protocol (MCP), RESTful API, Git, Splunk SOAR, Tines, Docker, Kubernetes
3w
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Senior Software Engineer II
Boston or Milwaukee or Maitland
$104k-$178k/yr HybridFull Time
6+ YOE6+ years developing distributed web applications using C#, .NET, ASP.NET, cloud and microservices; experience with RDBMS/NoSQL, event-driven frameworks, Kubernetes, API design; bachelor\u0002s degree required.
C#, .NET Core 3.1, .NET 5+, ASP.NET, Azure, Kafka, EventHub, ServiceBus, Kubernetes, RDBMS, NoSQL
1w
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Automation Engineer
Milwaukee, Wisconsin, United States
$85k-$90k/yr OnsiteFull Time
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
1w
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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
3w
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Senior ServiceNow Developer
Chicago or Milwaukee
$140k-$150k/yr OnsiteFull Time
5+ YOE5+ years ServiceNow platform experience, proficiency in ServiceNow scripting and integrations, JavaScript and web technologies, strong analytical and communication skills, ServiceNow CSA and CAD required, ITIL foundation required.
ServiceNow, JavaScript, GlideScript, Jelly, AJAX, JSON, AngularJS, Web Services, MySQL, XML, HTML, CSS, Flow Designer, Integration Hub, Workflow Data Fabric, REST API, SOAP, MID Server, JDBC, Git, App Engine Studio, UI Builder, CMDB, CSDM
1mo
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Enterprise AI Enablement Engineer
Milwaukee or United States
RemoteFull Time
5+ YOEHands-on prototyping with Python/JavaScript/TypeScript, LLM APIs (Claude preferred), TrueFoundry, REST API integrations with Salesforce/Atlassian/Microsoft 365, CI/CD and cloud (Microsoft Azure) experience, stakeholder-facing business analysis, security-minded.
Claude (Anthropic), TrueFoundry, Claude Code, Cowork, Atlassian, Jira, Confluence, Salesforce, Microsoft 365, Microsoft Azure, Replit, Snowflake, GitHub, Slack, Python, JavaScript, TypeScript, REST APIs, CI/CD, Model Context Protocol (MCP)
1mo
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Senior AI Engineer
Abbott Park or United States
$99k-$199k/yr RemoteFull Time
8+ YOEBachelor's in CS/Engineering/Mathematics (or related) and 8+ years (Master's +6+), strong applied AI/ML experience, Go backend engineering, cloud-native services, distributed systems, REST APIs, SQL/PostgreSQL, Linux, CI/CD, and strong communication.
Go, RESTful APIs, SQL Server, PostgreSQL, Kubernetes, Docker, Terraform, Linux, CI/CD, MLOps, message queues, vector databases
4w
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Windchill Engineer
Milwaukee, Wisconsin, United States
$120k-$140k/yr OnsiteFull Time
8+ YOE8+ years experience developing and integrating Windchill modules using Java and Windchill APIs; CI/CD knowledge; technical design and documentation skills; bachelor's in computer science.
Windchill, PDMLink, ProjectLink, MPMLink, Java, CI/CD Pipeline, Windchill APIs
2mo
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Product Technical Lead - Software Engineer II
New York or Boston or Philadelphia or Milwaukee or Denver or Seattle or Raleigh or Charlotte or Richmond or Atlanta or Orlando or Miami or Chicago or Dallas or Houston or Grand Rapids or Washington
$170k-$250k/yr HybridFull Time
8+ YOEBachelor's in STEM/Finance/Accounting; 8+ years architecting Microsoft Dynamics Project Operations/CE and CI/CD on Azure; expertise with SQL Server/Azure SQL, PowerShell, Graph API, Azure CLI, App Insights, Power BI, and PowerApps; strong software engineering and leadership skills.
Microsoft Dynamics CE, Project Operations, Project Service Automation, Canvas App, Microsoft Visual Studio, Microsoft Azure Dev Ops, GitHub, Microsoft SQL Server, Azure SQL, Azure functions, Azure Portal, PowerShell, Graph API, Azure CLI, App Monitoring, App Insights, Microsoft Power BI, Microsoft PowerApps, HTTP Debug Tools
3w
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Senior Configuration Management Engineer
Pleasant Prairie or Milwaukee or Waukegan or Glenview or Kenosha
OnsiteFull Time
10+ YOEBachelor's or equivalent, 10+ years IT experience, familiarity with ServiceNow/Flexera One/HP Service Manager/BMC Atrium, scripting with PowerShell/Python/SQL/APIs, strong analytical and problem-solving skills.
ServiceNow, Flexera One, HP Service Manager, BMC Atrium, PowerShell, Python, SQL, APIs
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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