129 api developer jobs at 78 companies in Sturtevant, WI
3d
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Software Developer (Onsite - Huntley, IL)
Huntley, Illinois, United States
$60k-$80k/yr OnsiteFull Time
0+ YOEBachelor's degree in a relevant computer field and 0–2 years of software development experience. Requires knowledge of programming, databases, APIs, web services, and testing.
Python, Java, JavaScript, APIs, ERP, HSA, FSA, Microsoft 401k, Roth 401k
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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Android Developer Experience Lead
Holtsville or Lincolnshire or Austin or Kennesaw
$139k-$208k/yr HybridFull Time
10+ YOELead Android Developer Experience; 10+ years with Bachelor's or 7+ years with Advanced Degree; Android platform expertise; API/SDK design; Java and Kotlin proficiency.
Android Studio, Gradle, Java, Kotlin, APIs, SDKs
1mo
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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
1mo
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API Product Manager
Itasca or United States
$150k-$180k/yr RemoteFull Time
5+ YOE5+ years product management experience (fraud, identity, payments, or SaaS); knowledge of RESTful APIs and OAuth/SAML; vendor and data provider management; developer experience and partner integrations.
RESTful APIs, OAuth, SAML, Shopify, Salesforce, Ping Identity
3mo
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Lead Web Technologies Developer
Deerfield, Illinois, United States
$105k-$165k/yr HybridFull Time
8+ YOEBachelor’s degree in CS or related field; 8+ years web development; Next.js, React, Angular, Node.js; Git, CI/CD; experience with commerce platforms, CMS, APIs, CDNs, PIM/DAM; enterprise/open-source; agile; data privacy; strong documentation.
Next.js, React, Angular, Node.js, Git, CI/CD, Shopify, Commercetools, Bloomreach CMS, Sitecore, WordPress, Embraco, Web Services, Web API, Akamai, Cloudflare, Widen, Salsify, Stibo, JIRA, Azure DevOps, AI tools for testing, Agile/Scrum/Kanban/xp
4d
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Senior AI/ML Engineer
Glenview, Illinois, United States
$162k-$203k/yr HybridFull Time
7+ YOERequires 7+ years of software development experience, including 2+ years delivering enterprise AI solutions; Python, AI/ML, LLM APIs, prompt engineering, RAG, embeddings, vector search, and production software experience.
Python, GitHub Copilot, Claude Code, Azure AI Foundry, Azure AI Search, Copilot Studio, Amazon Bedrock, Amazon SageMaker, Amazon Q, OpenSearch, Pinecone, pgvector, SQL Server, Oracle, Microsoft Fabric, Microsoft SharePoint, AWS Lambda, Azure Functions, RAG, LLM APIs, APIs, embeddings, vector search, Microsoft Azure, AWS
1mo
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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
2d
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Software Engineer
Schaumburg, Illinois, United States
$73k-$130k/yr RemoteFull Time
3+ YOEBachelor's degree in computer science or engineering; 3+ years full-lifecycle software development; 2+ years HTMX; 1+ year Go building services, APIs, and web applications.
Go, HTMX, Microsoft .NET, React, Tailwind, Microsoft Azure, GitHub Copilot, Microsoft 365, Terraform, Helm, Flux, Kubernetes, Splunk, Grafana, Prometheus, Dynatrace, Application Insights, OWASP, HIPAA, MS SQL, PostgreSQL
3w
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yr OnsiteFull Time
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
AWS Lambda, AWS Step Functions, Amazon CloudWatch, Amazon CloudFront, Amazon Cognito, Amazon Route 53, Amazon DynamoDB, Amazon ECS, Amazon EC2, Amazon S3, Amazon RDS, Amazon RDS - Aurora Postgres, Active MQ, Secrets Manager, Parameter Store, Amazon EFS, Git, Python, Bash, PowerShell, Node.js, Java, Springboot, Angular 15, Github, Harness, Artifactory, Kubernetes, Microsoft .Net Framework, Microsoft .Net Core, SQL, NoSQL, JSON, XML, OAuth, Claude, Agentic AI, CoPilot, AWS, Azure, GCP, Jira, Confluence, Microsoft Azure DevOps
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
1mo
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Full Stack Engineer
Schaumburg, Illinois, United States
$115k-$130k/yr HybridFull Time
2+ YOE2+ years full stack development experience with React, Python, SQL and AWS; ability to read and improve existing codebase, consume/develop REST APIs, and work in a hybrid team environment.
React, Python, SQL, AWS, Athena, S3, DynamoDB, API Gateway, Amplify, CloudFront, Git, TypeScript, REST, Jira
1mo
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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
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
4w
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ABAP Developer Analyst
Northbrook, Illinois, United States
OnsiteContract
5+ YOE5+ years hands-on SAP ABAP development experience; ability to translate functional requirements into ABAP code, create technical designs and unit tests, strong debugging and communication skills.
SAP ABAP, ABAP Structured Programming, Object-Oriented ABAP, OOABAP, Dialog Programming, User Exits, Enhancements, SAP BTP, SAP Build, SAP ERP SD, SAP MM, SAP FI, SAP ECC 6.0, SAP HANA, mySAP.com, Classes & Methods, BADIs, IDOCs, ALE, Workflow, BAPIs, APIs, Web Services, SAP Fiori, CDS Views, AMDP Views
2d
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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
4d
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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
1mo
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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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