88 api developer jobs at 45 companies in Jackson, 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
1w
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Senior Palantir Engineer
Austin or Charlotte or Naples or Hudson or Milwaukee
OnsiteFull Time
4+ YOE4+ years relevant experience, Bachelor’s degree, Palantir Foundry experience preferred, proficiency with TypeScript, JavaScript, Python, SQL, APIs, Git, CI/CD, and agentic/LLM development.
Palantir Foundry, TypeScript, JavaScript, Python, SQL, APIs, Git, CI/CD, MCP, LLMs
2mo
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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
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Interactive Technology Developer (Unity)
Milwaukee, Wisconsin, United States
RemoteFull Time
Strong Unity and C# proficiency, professional Unity development experience, experience integrating SDKs/APIs and hardware, familiarity with networking protocols (OSC, TCP/IP, UDP, WebSockets, HTTP/REST), camera/sensor/tracking experience preferred, strong problem-solving and communication skills.
Unity, C#, DMX, OSC, WebSockets, TCP/UDP, HTTP APIs, TCP/IP, UDP, REST APIs, MediaPipe, OpenCV, ZED, Azure Kinect, Intel RealSense, TouchDesigner, Linux, JavaScript, HTML, V systems, AI
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Software Developer (GIS)
Waukesha, Wisconsin, United States
OnsiteFull Time
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
2w
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Software Engineer
Wauwatosa or Bellevue or Grand Rapids or Atlanta
$77k-$105k/yr OnsiteFull Time
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
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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
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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
3w
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Python Engineer
Milwaukee, Wisconsin, United States
$100k-$130k/yr HybridFull Time
3+ YOEBachelor's degree,3-5 years Python development,experience with enterprise Python apps,APIs,data processing,Pandas/NumPy,SQL,FastAPI,AWS familiarity,Agile experience;must be authorized to work in the US.
Python 3.10+, Pandas, NumPy, Matplotlib, Plotly, Bokeh, Streamlit, PostgreSQL, Microsoft SQL Server, Snowflake, FastAPI, Swagger/OpenAPI, Postman, AWS ECS, AWS EC2, AWS Lambda, IAM, pytest, Jira, GIT, Jenkins, Docker, Kubernetes, Microsoft Power Platform, Power BI, Dataverse
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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
2w
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Software Engineer
Wauwatosa or Bellevue or Grand Rapids or Atlanta
$77k-$105k/yr OnsiteFull Time
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
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
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Integration Developer - Integrations, Data & AI Solutions
Pewaukee, Wisconsin, United States
HybridFull Time
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
2mo
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AI Solutions Engineer
Milwaukee or United States
$124k-$235k/yr HybridFull Time
3+ YOEBachelor's in CS/IT or equivalent; 3+ years in cloud apps (AWS); AI/Agent-based solutions; API data integration; Python/JavaScript; AWS containers/serverless; experience with AI tools; US work authorization.
AWS, Python, JavaScript, Node.js, React, SQL, NoSQL, Sage Intacct, APIs, Amazon Bedrock, Cursor, Windsurf, Claude Code
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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)
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Senior Software Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
4+ YOEBachelor's in CS/Engineering or related and 4 years software development experience in credit/debit payment processing. Experience with .NET, C#, REST APIs, Microsoft SQL, cloud platforms (AWS/Azure/GCP), GitLab CI/CD, TCP/IP, and multithreaded architectures.
.NET, C#, REST APIs, Microsoft SQL, AWS, Azure, GCP, GitLab, TCP/IP
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
2w
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Process Automation Software Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
Bachelor's degree, legal US work authorization, experience with Logix/FactoryTalk platforms, cloud/edge integrations, APIs/microservices, JavaScript/TypeScript or C#/.NET.
Studio 5000 Logix Designer, Logix Designer, FactoryTalk Design Studio, FactoryTalk Optix, FactoryTalk DataMosaix, Plex, Fiix, OPC UA, JavaScript, TypeScript, C#, .NET, Time-Series Databases, APIs, microservices, container-based systems
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
3w
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Software Engineer II (Oracle Fusion)
Menomonee Falls, Wisconsin, United States
OnsiteFull Time
3+ YOE3+ years application or Oracle development experience; knowledge of Oracle Fusion, VBS/VBCS, reporting (OTBI, BI Publisher), FBDI/ESS/BICC, Oracle Integration Cloud; SQL, JavaScript, REST APIs, JSON, HTML, CSS; strong problem-solving and Agile experience.
Oracle Fusion, VBS, VBCS, BI Publisher, OTBI, FBDI, ESS, BICC, Oracle Integration Cloud, SQL, JavaScript, REST APIs, JSON, HTML, CSS
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