14 api developer integration engineer jobs at 13 companies in Janesville, WI
3d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Integration Solutions Engineer - Integration Solutions Engineer - Careers (Accessibility)
Madison, Wisconsin, United States
OnsiteFull Time
Bachelor's degree or higher in engineering, math, information systems, or related field; strong analytical skills; eligible to work in the U.S. without visa sponsorship; relocation to Madison, WI area (reimbursed); COVID-19 vaccination.
APIs, Data Integration, Relational Databases
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Java Engineer (Hybrid)
Madison or Boston
$99k-$167k/yr HybridFull Time
5+ YOE5+ years AWS-backed Java development experience building Spring Boot and RESTful APIs; proficiency with Python and SQL; experience with integration, SDLC, testing, and cloud services; insurance experience preferred; ability to travel up to 10%.
Java, Spring Boot, RESTful API, Python, SQL, AWS, Microsoft Copilot, Claude Code
1w
Save
Mark Applied
Hide
Solutions Engineer
Madison, Wisconsin, United States
OnsiteFull Time
3+ YOEBachelor's degree, 3+ years product sales engineer experience, hands-on API integrations in payments, ability to script/understand integration code, Office 365 experience, US work authorization required.
Office 365, Salesforce
1w
Save
Mark Applied
Hide
O'Connor Lab Software Developer
Madison, Wisconsin, United States
$113k/yr OnsiteFull Time
4+ YOERequires 4+ years building production web applications, experience with interactive data visualizations, API integrations, version control, collaborating with researchers, and demonstrated portfolio of deployed systems.
GitHub, Python, TypeScript, JavaScript, D3, Plotly, Apache ECharts, LabKey
4w
Save
Mark Applied
Hide
Senior Software Engineer - IBM App Connect Enterprise
Irving or Middleton or Denver or Seattle
$95k-$150k/yr HybridFull Time
4+ YOE4+ years software engineering with hands-on IBM App Connect Enterprise, ESQL/Java, integration patterns, APIs, messaging (MQ/Kafka), Kubernetes/OpenShift, CI/CD and strong troubleshooting skills.
IBM App Connect Enterprise, ACE, ESQL, Java, REST, SOAP, IBM MQ, MQ, Kafka, DFDL, JSON, XML, Docker, Kubernetes, Red Hat OpenShift, Git, Jenkins, Tekton, UrbanCode, AppDynamics, Splunk, ELK, HTTP(S), JDBC
3w
Save
Mark Applied
Hide
Mobile iOS Engineer (Hybrid)
Madison or Boston
$80k-$131k/yr HybridFull Time
Experience building customer-facing iOS apps with Swift, iOS architectures (MVVM/MVC), REST API integration, Git and CI/CD, unit testing (XCTest), Xcode, and strong communication and debugging skills.
Swift, MVVM, MVC, REST APIs, Git, CI/CD, App Store, XCTest, Xcode, Airship, Optimizely, ForgeRock
3mo
Save
Mark Applied
Hide
Senior Fullstack Engineer, Solve
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
3+ YOE3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.
Python, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, LLM / speech
1mo
Save
Mark Applied
Hide
Senior AI Integration Analyst
Madison, Wisconsin, United States
$91k-$155k/yr OnsiteFull Time
5+ YOE5+ years IT integrations experience, 3+ years interface engine development, Epic Bridges certification, ability with Corepoint, HL7 v2/XML/CSV/HTML parsing, REST/FHIR APIs and Python; US work authorization required.
MuleSoft, Dell Boomi, Azure Integration Services, Microsoft Azure, REST, FHIR, Python, Corepoint, Epic Bridges, HL7 v2, XML, CSV, HTML, Epic Cogito, Epic Clarity, Caboodle, Interconnect, App Orchard, Java, C#, SOAP, LLM APIs, Snowflake, AWS, SAP, Oracle, Workday
2mo
Save
Mark Applied
Hide
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
2+ YOEActive US citizenship with TS/SCI, bachelor\u0002s degree in STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), API and geoprocessing experience.
Python, Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
2mo
Save
Mark Applied
Hide
Power Automate/Power Platform Developer
Cottage Grove, Wisconsin, United States
OnsiteFull Time
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
1w
Save
Mark Applied
Hide
Microsoft Word Add-In Developer (Contract)
Madison, Wisconsin, United States
OnsiteContract
Experience building and publishing Word add-ins with Office.js/Word JavaScript API, production-level TypeScript and React, REST API integration, OAuth2/MSAL authentication, cross-platform Word compatibility, and strong testing/documentation practices.
Office.js, Word JavaScript API, TypeScript, React, Microsoft Authentication Library (MSAL), OAuth 2.0, Fluent UI, RESTful APIs, Microsoft 365, Microsoft marketplace