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Java Developer Co Op Jobs in Wisconsin (NOW HIRING)

Rust-Oleum

R&D Co-Op - Fall

Pleasant Prairie, WI · On-site

$25/hr

Job Title: R&D Co-Op Schedule: Monday - Friday, 8:00am-4:30pm / Full Time / 40hrs/wk Pay: $25.00/hr ... Required Skills: Current undergraduate student pursuing Chemistry, Chemical Engineering or a ...

Kop-Coat, Inc.

R&D Co-Op - Fall

Pleasant Prairie, WI · On-site

$25/hr

Job Title: R&D Co-Op Schedule: Monday - Friday, 8:00am-4:30pm / Full Time / 40hrs/wk Pay: $25.00/hr ... Required Skills: Current undergraduate student pursuing Chemistry, Chemical Engineering or a ...

Rust-Oleum

R&D Co-Op - Fall

Kenosha, WI

$25/hr

R&D Co-Op Schedule: Monday - Friday, 8:00am-4:30pm / Full Time / 40hrs/wk Pay: $25.00/hr What to ... Required Skills: Current undergraduate student pursuing Chemistry, Chemical Engineering or a ...

Aptar Group

Manufacturing Engineer Co-Op

Mukwonago, WI · On-site

$72K - $92K/yr

Co-Op Term duration: January 2026 - August 2026, or May 2026 - December 2026 APTAR --- WHO ARE WE? At Aptar, we use insights, design, engineering and science to create innovative packaging ...

Aptar Group

Industrial Engineer Co-Op

Mukwonago, WI · On-site

$69K - $93K/yr

At Aptar, we use insights, design, engineering and science to create innovative packaging ... Strong communication skills Schedule : Full-Time during Co-Op term: May 2026 - December 2026 or ...

Aptar Group

Manufacturing Engineer Co-Op

Mukwonago, WI · On-site

$72K - $92K/yr

Co-Op Term duration: January 2026 - August 2026, or May 2026 - December 2026 APTAR --- WHO ARE WE? At Aptar, we use insights, design, engineering and science to create innovative packaging ...

Aptar Group

Industrial Engineer Co-Op

Mukwonago, WI · On-site

$69K - $93K/yr

At Aptar, we use insights, design, engineering and science to create innovative packaging ... Strong communication skills Schedule : Full-Time during Co-Op term: May 2026 - December 2026 or ...

Promega

Packaging Engineer Co-Op

Madison, WI

The Packaging Engineering team consists of engineers with varied industry experience and lengths of ... This Co-op will start in June 2027 and finish in December 2027. There is some flexibility regarding ...

Promega

Packaging Engineer Co-Op

Madison, WI · On-site

The Packaging Engineering team consists of engineers with varied industry experience and lengths of ... This Co-op will start in June 2027 and finish in December 2027. There is some flexibility regarding ...

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How much do java developer co op jobs pay per hour?

As of Jun 19, 2026, the average hourly pay for java developer co op 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 types of projects or tasks will I typically work on as a Java Developer Co Op?

As a Java Developer Co Op, you can expect to support ongoing software development projects by writing and testing code, fixing bugs, and assisting in the design or implementation of new features. You may work on both backend and frontend components, collaborate with senior developers during code reviews, and contribute to team meetings or agile sprints. Your work might include developing internal tools, creating automation scripts, or participating in the documentation process. This hands-on experience is designed to give you exposure to industry best practices and the full software development lifecycle while building your professional skills.

What are the key skills and qualifications needed to thrive in the Java Developer Co Op position, and why are they important?

To thrive as a Java Developer Co Op, you need a solid understanding of Java programming, object-oriented design principles, and foundational knowledge in software development, often supported by coursework or relevant project experience. Familiarity with version control systems like Git, IDEs such as IntelliJ or Eclipse, and basic knowledge of databases or web development frameworks are common requirements. Effective communication, eagerness to learn, and strong problem-solving skills help you adapt quickly and work well within a team environment. These competencies ensure you can contribute to real-world projects, collaborate with experienced developers, and gain valuable hands-on experience during your co-op term.

What is a Java Developer Co Op job?

A Java Developer Co-Op job is a temporary, paid position for students or recent graduates who want hands-on experience in Java development. Co-op students work with a team of developers to design, test, and maintain Java-based applications. They gain practical knowledge in coding, debugging, and software development best practices while contributing to real-world projects. This role helps bridge the gap between academic learning and professional work, preparing candidates for full-time software development roles.

What are the most commonly searched types of Java Developer jobs in Wisconsin? The most popular types of Java Developer jobs in Wisconsin are:
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Java Developer Co Op jobs near you
R&D Co-Op - Fall

R&D Co-Op - Fall

Rust-Oleum

Pleasant Prairie, WI • On-site

$25/hr

Full-time

Posted 28 days ago

Rust-Oleum rating

8.1

Company rating: 8.1 out of 10

Based on 23 frontline employees who took The Breakroom Quiz

Job description

Job Description
Job Title: R&D Co-Op
Schedule: Monday - Friday, 8:00am-4:30pm / Full Time / 40hrs/wk
Pay: $25.00/hr
What to expect:
  • Job Duties: Summary: Co-op/Intern students are treated as coatings chemists in training, with a focus on professional growth and skills development in a teamwork-based environment. Students work on and learn about a variety of product types from metal to concrete coatings and decorative to high performance systems. Interaction with chemical suppliers, marketing brand managers, and manufacturing operations is incorporated with increasingly complex projects throughout the co-op career. They will train cross functionally under the different product platforms.
  • Typical work assignments include Creating sample batches of paint for formula development, conducting performance testing on lab samples and competitive products, documenting data and interpreting/reporting results and assisting with production support through the scale-up process and batch adjustments.
  • Required Skills: Current undergraduate student pursuing Chemistry, Chemical Engineering or a comparable scientific degree.

Rust-Oleum is an equal-opportunity employer. Employment selection and related decisions are made without regard to sex, race, age, disability, religion, national origin, color, or other protected class.
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