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Contract Java Developer Jobs in Wisconsin (NOW HIRING)

IO Datasphere

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

We are an approved vendor on contract to provide software development and IT staff augmentation ... Our client is looking for a Java Developer to help administer our data catalog through the Collibra ...

Sonoma Consulting Inc.

Java Developer

Waukesha, WI

$51 - $66/hr

This Senior Java Developer will join the Global Service Technology team and will work on a Scrum ... Qualifications Long term or contract to hire Application Development (Java/JEE, C++, scripting, and ...

IO Datasphere

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

Our client seeks a Java Developer to be involved with the development and support of Java and ... Location: Madison, WI Contract: 1 year Skills Required: · 4 years - Java experience · 3 years ...

Luminoustec LLC

Java Developer

Milwaukee, WI

$50.25 - $65/hr

Senior Java Programmer Job Type: Contract to Hire (6 months) Location: Menominee Falls, Wisconsin What we look for here are the following: 1. Very strong communication skills, especially over the ...

Luminoustec LLC

Java Developer

Milwaukee, WI · On-site

$50.25 - $65/hr

Senior Java Programmer Job Type: Contract to Hire (6 months) Location: Menominee Falls, Wisconsin What we look for here are the following: 1. Very strong communication skills, especially over the ...

Dellfor Technologies

Java Architect

Milwaukee, WI · On-site

$60K/yr

Java EE framework and system development * Experience with use cases, process flows, and UML ... Contract Salary: $60,000.00 /year Required education: * Bachelor's Required experience: * Developer ...

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All JobsContract Java Developer JobsContract Java Developer Jobs in Wisconsin

Contract Java Developer information

See Wisconsin salary details

$15

$57

$78

How much do contract java developer jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for contract java developer in Wisconsin is $57.23, according to ZipRecruiter salary data. Most workers in this role earn between $49.52 and $64.04 per hour, depending on experience, location, and employer.

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

To thrive as a Contract Java Developer, you need strong Java programming skills, experience with object-oriented design, and a solid understanding of software development lifecycles, typically supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is commonly required. Excellent problem-solving, adaptability, and clear communication skills help you efficiently integrate with new teams and projects. These abilities ensure you can quickly deliver high-quality, maintainable code that meets client requirements in a dynamic contract environment.

What are some common challenges faced by Contract Java Developers when integrating with existing teams and projects?

Contract Java Developers often need to quickly adapt to unfamiliar codebases and team workflows, which can be challenging given tight project timelines. Effective communication is essential, as they must coordinate with permanent staff, understand project requirements, and align with established coding standards and deployment processes. Many contractors also need to manage multiple projects or clients simultaneously, requiring strong time management skills. Proactively seeking clarity on expectations and leveraging onboarding resources can help ease the integration process.

What are Contract Java Developers?

Contract Java Developers are software professionals who specialize in the Java programming language and are hired on a contract basis, rather than as permanent employees. They typically work for a set period of time or on a specific project, developing, testing, and maintaining Java-based applications according to the client’s requirements. These developers are often brought in to provide specialized expertise, handle workload spikes, or complete short-term projects. Their roles may include writing code, fixing bugs, integrating systems, and ensuring applications meet performance and security standards.

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

AspectContract Java DeveloperContract Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related, various programming certifications
Work EnvironmentDevelopment teams, client sites, remote optionsDevelopment teams, client sites, remote options
Industry UsageTech, finance, healthcare, e-commerceTech, finance, healthcare, e-commerce
Search & Comparison IntentFocus on Java-specific roles, Java projectsBroader software development roles, multiple languages

Contract Java Developers specialize in Java programming and are often sought for Java-specific projects. Contract Software Engineers have a broader scope, working with multiple programming languages and technologies. Both roles are common in tech industries and share similar work environments, but the Java Developer role is more focused on Java expertise.

What are the most commonly searched types of Java Developer jobs in Wisconsin? The most popular types of Java Developer jobs in Wisconsin are:
What are popular job titles related to Contract Java Developer jobs in Wisconsin? For Contract Java Developer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Contract Java Developer jobs in Wisconsin look for? The top searched job categories for Contract Java Developer jobs in Wisconsin are:
Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Wisconsin as of July 2026, with employment types broken down into 57% Full Time, and 43% Contract. Highlights an 100% In-person job distribution, with an average salary of $119,034 per year, or $57.2 per hour.

Java Developer

IO Datasphere

Madison, WI • On-site

$51.50 - $66.50/hr

Other

Re-posted 25 days ago

Job description

IO Datasphere, Inc. has been providing project management, software development and IT staff augmentation services to our clients in the Midwest and throughout the U.S. since 1996. We are an approved vendor on contract to provide software development and IT staff augmentation services for the States of Illinois, Michigan, Minnesota, Iowa, and Wisconsin. We also provide these services to businesses, as well as local and county governments, in the Midwest and nationwide.

 

Our client is looking for a Java Developer to help administer our data catalog through the Collibra platform. Candidate will be responsible for the administration of user and asset set-up within the platform. The main technologies currently used to support the platform are Java, Eclipse, Groovy, Flowable BPMN (Activi and Flowable), and Python experience would be highly complementary.

Tasks

·        This position will focus on customizing the platform based on user and agency requirements.

·        Work closely with stakeholders to understand business process flow and translate that flow into workflows within the customizable platform.

·        Help integrate and automate data integration between the cloud application with other data sources.

·        Primarily work within the Collibra platform utilizing Java and configuring APIs to support the administration of Collibra.

NOTE: WI residency required. Must be WI resident or willing to relocate at your own expense. Position is mostly remote but can require staff to come onsite as necessary with sufficient notice.

Location: Madison, WI  

Contract: 1 year

Skills Required:

·        5+ years - User interface customization and optimization experience

·        5+ years - Java Programming Experience

·        5+ years - Experience with Groovy

·        5+ years - Workflow and business process mapping experience

·        5+ years - Data governance or data management experience

·        2+ years - Experience with Eclipse

·        Experience with JavaScript

·        Experience with Java API

Skills Desired – A plus to have:

·        Python

*** Rate depends on experience

*** Candidates authorized to work in the US are encouraged to apply. We can accept H1b, , TN, and other valid work visas for IT. However, we cannot accept OPT or CPT visas at this time.

*** Companies submitting candidates should only submit direct W2 employees for this position.

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