Fort Atkinson • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Fort Atkinson • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Fort Atkinson • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Fort Atkinson • 50 milesRemote · Hybrid · Onsite · Field · All Environments
56 sr java developer jobs at 29 companies in Fort Atkinson, WI
5d
Save
Mark Applied
Hide
Java Developer
Madison, Wisconsin, United States
$79k-$112k/yr HybridFull Time
Experience translating business requirements, troubleshooting Java applications, developing with Java 8+ and Spring/Spring Boot, and using IntelliJ and GitHub.com. Experience upgrading, testing, or applying development methodologies preferred.
Java, Spring, Spring Boot, IntelliJ, GitHub.com, Agile, Scrum, Kanban, Waterfall
2mo
Save
Mark Applied
Hide
Senior Java Engineer (Hybrid)
Madison or Boston
$99k-$167k/yr HybridFull Time
5+ YOERequires 5+ years of AWS-backed Java development with Spring Boot, RESTful APIs, Python, SQL, software architecture, testing, integration technologies, SDLC, and insurance experience.
Java, Amazon Web Services (AWS), Spring Boot, RESTful API, Python, SQL, Microsoft Copilot, Claude Code
2mo
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
Senior Software Developer - Java
Pleasant Prairie or Kenosha or Milwaukee
$96k-$148k/yr OnsiteFull Time
7+ YOEBachelor's degree in computer science, software engineering, or equivalent education and experience; 7+ years of Java full-stack development; Spring, REST, microservices, Git, JPA, SQL, JSON, SOAP, XML, CI/CD, and Agile experience.
Java, Spring, REST, Git, JPA, SQL, JSON, SOAP, XML, CI/CD, Agile
3w
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
1w
Save
Mark Applied
Hide
Sr. Software Engineer (Data & Application Engineer)
Cincinnati or Atlanta or Hopkins or Chicago or Gresham or Denver or Charlotte or Brookfield or Irving or Earth City
$112k-$131k/yr HybridFull Time
5+ YOEBachelor’s degree or equivalent experience and 5–6 years of relevant experience; strong programming, data engineering, API, cloud, DevOps, database, and secure software development skills.
Java, Python, SQL, JavaScript, Git, CI/CD, DevOps
1mo
Save
Mark Applied
Hide
Sr Engineer Systems - Thermal/CFD
Wauwatosa, Wisconsin, United States
$93k-$145k/yr OnsiteFull Time
5+ YOEBachelor's in mechanical/aerospace/applied physics,5+ years CFD/thermal experience, proficiency in CFD/thermal tools, programming (Matlab/Java/Python), Creo, and strong communication skills.
Star-CCM+, Converge, GT-Power, modeFrontier, Sculptor, TaiTherm, Simulink, Optistruct, Matlab, EES, Java, Python, Creo
2mo
Save
Mark Applied
Hide
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
1mo
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
2w
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
3mo
Save
Mark Applied
Hide
Principal Software Engineer, Android
Milwaukee or West Allis
$112k-$154k/yr HybridFull Time
5+ YOEBachelor’s or master’s degree in computer science or related field, 5+ years of software engineering, 2+ years of Android development, and experience with Android tools, Java/Kotlin, testing, architecture, and Agile methods.
Java, Kotlin, JavaScript, TypeScript, C++, Android SDK, Android NDK, Android Studio, Azure DevOps, Jira, Git, SVN, Lean, Agile, XP, CI/CD, TDD, SOLID, IEC 62304
2w
Save
Mark Applied
Hide
Lead AI / ML Engineer
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$80k-$294k/yr HybridFull Time
6+ YOERequires 6+ years developing AI/ML solutions, programming in Python, R, or Java, machine learning frameworks, data analysis, cloud platforms, and strong communication skills.
Python, R, Java, TensorFlow, PyTorch, Hadoop, Spark, AWS, Azure, Google Cloud, D3.js, ggplot
2mo
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
21h
Save
Mark Applied
Hide
Senior Backend Engineer
Chicago or Milwaukee or Atlanta or Jacksonville
$123k-$209k/yr HybridFull Time
5+ YOE5+ years of software engineering experience preferred, with Java, Spring Boot, Micronaut, RESTful APIs, microservices, PostgreSQL, Redis, AWS, Kubernetes, and Docker experience.
Java, JavaScript, TypeScript, RESTful APIs, Spring Boot, Micronaut, PostgreSQL, Redis, AWS, Kubernetes, Docker, Jenkins, Git, Jira, Confluence, Temporal, ActiveMQ, ReactJS
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Innovation (Python/C#)
Milwaukee or Mequon or Austin or Mayfield Heights
HybridFull Time
5+ YOESenior-level software engineer with 5+ years preferred, bachelor's degree or equivalent, US work authorization (no sponsorship), ability to travel up to 25%, experience with Python/C#/C++/Java, ML frameworks, Git, databases, and cloud platforms.
Python, C#, C++, Java, TensorFlow, PyTorch, Scikit-learn, OpenClaw, GitHub, GitLab, MySQL, PostgreSQL, Oracle, Grafana, AWS, Azure, Google Cloud
4d
Save
Mark Applied
Hide
Senior Software Instrumentation Engineer II
Madison, Wisconsin, United States
$97k-$184k/yr OnsiteFull Time
10+ YOEBachelor’s degree with 10+ years, master’s with 8+ years, or Ph.D.; C/C++ Linux development; 2+ years developing laboratory, scientific, medical, or complex instrumentation software.
C, C++, Linux, Python, C#, Java, XML, JSON, Git, GitHub, RS-232, RS-485, TCP/IP, Tecan, Hamilton, Windows
1mo
Save
Mark Applied
Hide
Leo Cancer Care: Senior Software Engineer – Interoperability
Middleton, Wisconsin, United States
HybridFull Time
5+ YOEDeep DICOM-RT interoperability experience, medical device software under IEC 62304, network integration, 5+ years domain experience, strong Python and C++/C#/Java skills, Linux and Git proficiency, HL7/FHIR familiarity.
DICOM-RT, HL7, FHIR, UML, Python, C++, C#, Java, Linux, Git, gRPC, REST
3mo
Save
Mark Applied
Hide
Principal Software Engineer
Madison, Wisconsin, United States
$153k-$259k/yr OnsiteFull Time
Senior individual contributor with expertise in OO languages, REST/DB, cloud, Agile, and enterprise-scale digital engineering.
C, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit, JPA, Hibernate, Azure, AWS, JIRA, Confluence
1mo
Save
Mark Applied
Hide
Sustaining Engineer – Computer / Software
Madison, Wisconsin, United States
OnsiteFull Time
Bachelor's in engineering required. Strong LabVIEW, NI TestStand, Python, C++/Java skills; experience with automated test systems, industrial PCs, embedded systems, GitHub, SDLC, RCA/CAPA, and FDA/GMP regulated environments.
LabVIEW, NI TestStand, Python, C++, Java, Windows 11, GitHub, DAQ modules, Industrial PCs
6d
Save
Mark Applied
Hide
Computer Vision Engineer
Madison, Wisconsin, United States
$74k/yr OnsiteFull Time, Temporary
10+ YOERequires over 10 years of scientific computing, image analysis, and machine-learning image segmentation experience; MATLAB, Python, Java, light-sheet microscopy, and sCMOS camera experience. MS preferred in a relevant field.
MATLAB, Python, Java, Machine Learning, Graphical User Interfaces (GUIs), sCMOS