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Java Application Developer Jobs in Janesville, WI

Genome International Corp

Java SpringBoot

Madison, WI · On-site

$51.50 - $66.50/hr

Within this modernization effort the candidate will provide technical expertise in migrating application(s) to Spring Boot, upgrading Java versions, updating presentation layer technologies ...

NovaLink Solutions

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

We are seeking a highly skilled and experienced Senior Java Developer with strong hands-on ... the application development unit for the Criminal History (CH) Improvements and modernization ...

Novalink Solutions LLC

Java Developer

Madison, WI

$78 - $85/mo

We are seeking a highly skilled and experienced Senior Java Developer with strong hands-on ... the application development unit for the Criminal History (CH) Improvements and modernization ...

SV Tech Systems Inc

Java Developer

Madison, WI

$51.50 - $66.50/hr

Java Developer Location : Madison, WI Duration : 6 months A Madison, WI client is looking for a ... of application middleware such as Tomcat Knowledge of professional software engineering practices ...

SmartIPlace

Java Developer

Madison, WI · Remote

$50 - $55/hr

Our client is looking for a Java Developer with strong core Java/spring framework/Messaging queue/Caching experience for the application development unit Improvements project. The ideal candidate ...

TrafficCast

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

In addition to producing high quality code, the Java developer is expected to contribute in the following areas: application design, traffic model implementation, troubleshooting and problem solving ...

TrafficCast

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

In addition to producing high quality code, the Java developer is expected to contribute in the following areas: application design, traffic model implementation, troubleshooting and problem solving ...

LRS

Java Developer

Madison, WI · On-site

$55 - $65/hr

Codeworks, an LRS company, is seeking a Senior Java Full Stack Developer for a contract role. In ... and application design 4+ years of experience designing and developing microservices-based ...

PlayStation Global

Software Engineer II (Java)

Madison, WI

$52.25 - $71.50/hr

As a full-stack developer, you will work across the stack, contributing to both the front-end and ... Hands-on practical experience in system design, application development, testing, and operational ...

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All JobsJava Application Developer JobsJava Application Developer Jobs in Janesville, WI

Java Application Developer information

See Janesville, WI salary details

$23

$53

$78

How much do java application developer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for java application developer in Janesville, WI is $53.76, according to ZipRecruiter salary data. Most workers in this role earn between $44.23 and $63.70 per hour, depending on experience, location, and employer.

What is the difference between Java Application Developer vs Java Software Engineer?

AspectJava Application DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science or related field, Java certificationsBachelor's in Computer Science or related field, Java certifications
Work EnvironmentDevelops, tests, and maintains Java applicationsDesigns and implements Java-based solutions, often involved in architecture
Employer & Industry UsageTech companies, software firms, enterprise applicationsTech firms, consulting, enterprise software development
Common Search & ComparisonFocuses on application development tasksBroader role including system design and architecture

Java Application Developers primarily focus on building, testing, and maintaining Java applications, while Java Software Engineers often have a broader role involving system design and architecture. Both roles require similar credentials and are used across tech and enterprise industries, but their day-to-day responsibilities differ slightly.

What are some common challenges Java Application Developers face when working on large-scale enterprise projects?

Java Application Developers working on large-scale enterprise projects often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining robust security practices. Coordinating with cross-functional teams like QA, DevOps, and UI/UX can also present integration and communication hurdles. Staying up-to-date with evolving Java frameworks and best practices is essential to address performance bottlenecks and optimize application efficiency. Proactive problem-solving and effective collaboration are key to overcoming these challenges.

What does a Java Application Developer do?

A Java Application Developer designs, develops, and maintains software applications using the Java programming language. They are responsible for writing clean, efficient code, debugging and resolving technical issues, and collaborating with other developers, designers, and stakeholders to ensure applications meet user needs. Java Application Developers often work on both frontend and backend components, integrate databases, and ensure the security and scalability of applications. They may also participate in code reviews, testing, and documentation throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a Java Application Developer, and why are they important?

To thrive as a Java Application Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, typically supported by a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and experience with build tools and IDEs are highly valued, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving abilities, effective communication, and strong teamwork skills set top developers apart. These competencies ensure the delivery of robust, maintainable applications and facilitate collaboration in dynamic development environments.
What are popular job titles related to Java Application Developer jobs in Janesville, WI? For Java Application Developer jobs in Janesville, WI, the most frequently searched job titles are:
What job categories do people searching Java Application Developer jobs in Janesville, WI look for? The top searched job categories for Java Application Developer jobs in Janesville, WI are:
What cities near Janesville, WI are hiring for Java Application Developer jobs? Cities near Janesville, WI with the most Java Application Developer job openings:
Java Application Developer jobs near you
Infographic showing various Java Application Developer job openings in Janesville, WI as of July 2026, with employment types broken down into 74% Full Time, 21% Part Time, 1% Temporary, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $111,830 per year, or $53.8 per hour.
Java SpringBoot

Java SpringBoot

Genome International Corp

Madison, WI • On-site

$51.50 - $66.50/hr

Other

Posted 13 days ago

Job description

Overview:

The selected candidate will play a hands-on senior technologist/lead role in modernizing State of Wisconsin, Department of Transportation web application(s). Within this modernization effort the candidate will provide technical expertise in migrating application(s) to Spring Boot, upgrading Java versions, updating presentation layer technologies, migrating applications to container hosted environments, and provide guidance in the development of a DevSecOps and CI/CD development pipeline following industry best practices. The candidate will be responsible for the design, development, and support of enterprise-wide application(s). We are looking for someone with strong experience in Java, MVC pattern implementation (Struts, Spring), full lifecycle testing, microservice architecture patterns, and Agile Scrum project management methodology.  Strong candidates should also have experience with container creation and deployment, DevSecOps best practices, and modern presentation layer technologies.

Responsibilities:

-        Enhance existing application(s) with new features as well as modernizing existing application(s)

-        Solve complex technical problems

-        Design, develop and provide technical leadership to the modernization effort.

-        Develop testing methodology and criteria and implement them on automated build processes.

-        Lead efforts for modernizing Java application(s) to Spring Boot following industry best practices.

-        Develop application presentation layers using modern JavaScript/TypeScript technologies such as Angular.

-        Provide technical leadership to moving application(s) toward a microservices and modern looking architecture.

Required Experience:

-        Java/J2EE (5+ years)

-        Spring Framework (5+ years)

-        Spring boot (5+ years)

-        Micro services (4+ years)

-        API development (4+ years)

-        Angular (5+ years)

-        SQL experience (5+ years)

-        Hands on Architecture/Design experience (4+ years)

-        Experience working in Hybrid and Agile Methodologies (5+ years)

-        Experience working with industry standard patterns for modernization (i.e. lift and shift, strangler, etc.)

Nice to Have Experience:

-        Java Batch experience (4+ years)

-        Oracle and PL/SQL stored procedure experience (4+ years)

-        DevSecOps Best Practices (3+ years) including leveraging SonarQube

-        Automated Testing Best Practices (5+ years)

-        AWS Cloud based development experience (4+) years

-        Experience working with Liberty, Maven, IntelliJ, Java 21

-        Leveraging GitHub Co-Pilot or similar GenAI based IDE tools to accelerate software development and testing practices

-        Experience working with Box APIs

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