86 java developer jobs at 36 companies in Jefferson, WI
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
1mo
Save
Mark Applied
Hide
Senior Software Developer - Java
Pleasant Prairie or Kenosha or Milwaukee
$96k-$148k/yr OnsiteFull Time
7+ YOEBachelor's degree or equivalent,7+ years Java full-stack development experience,expertise with Spring,REST/microservices,Git,JPA,SQL,JSON,SOAP,XML,CI/CD and Agile;strong communication and leadership skills.
Spring Framework, Git, JPA, SQL, JSON, SOAP, XML
3w
Save
Mark Applied
Hide
Senior Java Developer
Madison, Wisconsin, United States
$61k-$104k/yr HybridFull Time
Experience with microservices, AWS, JDK 17, JUnit, Spring Boot, Postgres, Docker, Git/GitLab/GitHub, CI/CD, Sonar; payments domain and project lead experience preferred; testing with JMeter/Playwright; AI tool (Claude) preferred.
Microservices, AWS, JDK 17, JUnit, Spring Boot, Postgres, Sonar, CICD, Docker, GitHub, GitLab, Git, JMeter, Playwright, Claude
1mo
Save
Mark Applied
Hide
Software Engineer 2- (Java/Spring Boot/DevOps)
Atlanta or Charlotte or Chicago or Gresham or Cincinnati or Englewood or Brookfield or Minneapolis or Irving or Earth City
$98k-$116k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years relevant experience, strong Java/Spring Boot and microservices experience, REST/API design, cloud-native and DevOps practices, strong communication and debugging skills.
Java, J2EE, Spring Boot, Spring Cloud, Hibernate, JPA, RESTful API, REST, GraphQL, Azure, AWS, GCP, Apache Kafka, Spark, PostgreSQL, MS SQL, Cassandra, MongoDB, Jenkins, Cloud bees, Apigee, Kubernetes, Rancher, OAuth, JWT
2mo
Save
Mark Applied
Hide
Technical Lead Software Engineer (Java, React, Spring boot)
Minnetonka or Madison or St Louis or Omaha
$100k-$150k/yr OnsiteFull Time
5+ YOE5+ years product-related work experience; proficient with Java and React.
Java, React, Spring Boot, Oracle, SQL Server, Azure DevOps, GitHub, Jenkins, CI/CD
1mo
Save
Mark Applied
Hide
Staff Engineer
Milwaukee or United States
OnsiteFull Time
4+ YOEBachelor's in CS/Engineering and 4 years Android development experience; Java, Kotlin, MySQL/SQLite, Gradle, GIT, Jenkins; algorithms, software architecture, technical leadership; experience with Mockito/Robolectric/Espresso.
Android Operating System, Java, MySQL, SQLite, Kotlin, Gradle, GIT, Jenkins, Mockito, Robolectric, Espresso
4w
Save
Mark Applied
Hide
Software Engineer
Sun Prairie, Wisconsin, United States
$70k-$100k/yr OnsiteFull Time
5+ YOEBachelor's degree,5+ years professional software development experience,proficiency with Java,Python or C#,REST/SOAP,cloud platforms (AWS/Azure/GCP),Git,CI,Agile and strong communication.
Java, Python, C#, RESTful, SOAP, AWS, Microsoft Azure, Google Cloud, Git
3d
Save
Mark Applied
Hide
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
1d
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
Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Java, C#, Python, JavaScript, Adobe, Oracle
2mo
Save
Mark Applied
Hide
Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia or Sun Prairie
OnsiteFull Time
2+ YOEActive Top Secret/SCI clearance, bachelor’s degree in STEM, 2+ years backend development with Python/Node.js/Java, experience with ArcGIS Enterprise, containerization, API design, and geoprocessing workflows.
ArcGIS Enterprise, Python, Node.js, Java, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
1d
Save
Mark Applied
Hide
Software Engineer II
Milwaukee, Wisconsin, United States
$98k-$147k/yr OnsiteFull Time
1+ YOEBachelor's degree or equivalent experience; 1–3 years of software engineering experience; programming with Java, JavaScript, Python, or .NET; cloud, CI/CD, analytical, communication, and collaboration skills.
Java, JavaScript, Python, .NET, AWS, Azure, CI/CD
5d
Save
Mark Applied
Hide
Sr. Software Engineer
Madison, Wisconsin, United States
$78k-$156k/yr OnsiteFull Time
4+ YOEBachelor's in a related field or equivalent experience; strong Java and Spring Boot skills; experience with REST, relational databases, cloud frameworks, agile tools; able to mentor others and work independently.
Java, Spring Boot, Spring, Maven, Kafka, HL7, FHIR, Postgres, SQL Server, JPA2, Hibernate, Entities Framework, Azure, Amazon AWS Services/SDKs, JIRA, Confluence, C++, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit, RESTful web services
3d
Save
Mark Applied
Hide
Production Support Developer Specialist
Madison, Wisconsin, United States
$46-$49/hr HybridFull Time
Requires experience with at least two listed programming languages, IT project development, complex applications, production troubleshooting, and mentoring software developers.
Microsoft .NET, C#, VB.NET, ASP.NET, Java, PL/SQL, SQL, LAN, Microsoft Word, PDF
5d
Save
Mark Applied
Hide
Sr. Software Engineer
Madison, Wisconsin, United States
$78k-$156k/yr OnsiteFull Time
4+ YOEBachelor's in CS/data science/engineering or HS+4yrs experience, strong Java and OOP skills, Spring/Spring Boot, REST, databases, cloud experience, EMR of healthcare interoperability (HL7/FHIR) preferred.
Java, Spring Boot, Spring, Maven, Kafka, HL7, FHIR, RESTful web services, Postgres, Microsoft SQL Server, JPA2, Hibernate, Entities Framework, Azure, Amazon AWS Services/SDKs, JIRA, Confluence, C++, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit
1mo
Save
Mark Applied
Hide
Sustaining Software Engineer
Cottage Grove, Wisconsin, United States
OnsiteFull Time
Experience with OOP (C++, C#, Java, Kotlin), scripting (Python, JavaScript), unit testing, technical documentation, cross-team communication, and willingness to travel domestically and internationally.
C++, C#, Java, Kotlin, Python, JavaScript
2mo
Save
Mark Applied
Hide
Fullstack Engineer
Madison, Wisconsin, United States
OnsiteFull Time
Develop and maintain software for a complex medical device; design, test, and integrate software with hardware; collaborate across disciplines; BS in CS/CE; proficient in OO languages; travel <10%.
C#, Java, C++, Python, DICOM, HL7v2, FHIR
1mo
Save
Mark Applied
Hide
Backend Software Engineer
Madison, Wisconsin, United States
$130k-$140k/yr HybridFull Time
3+ YOE3+ years backend engineering, Bachelor’s or Master’s in CS/Software Engineering, proficiency in Python/Go/Java, PostgreSQL/MongoDB, cloud (AWS/GCP/Azure), Docker/Kubernetes, CI/CD, Git, and familiarity with HIPAA/GDPR.
Python, Go, Java, PostgreSQL, MongoDB, AWS, GCP, Azure, Docker, Kubernetes, CI/CD, Git, HL7, FHIR, DICOM, Claude
1mo
Save
Mark Applied
Hide
Forward Deployed Engineer
Jacksonville or Atlanta or Milwaukee or New York City or United States
$179k-$305k/yr FieldFull Time
4+ YOE4+ years in technical customer-facing roles; strong systems programming (Go, Rust, Java), distributed systems, Kafka, cloud (AWS/GCP/Azure), Kubernetes/OpenShift, data pipelines, and AI/LLM integration experience.
Go, Rust, Java, Kafka, AWS, GCP, Azure, Kubernetes, OpenShift
3w
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
Explore Jobs