Verona, WI · On-site
$250/hr
Working within a small team, student developers gain hands‑on experience implementing new projects and features, troubleshooting bugs, and continuously improving our development workflows and ...
New
Verona, WI · On-site
$250/hr
Working within a small team, student developers gain hands‑on experience implementing new projects and features, troubleshooting bugs, and continuously improving our development workflows and ...
New
Sun Prairie, WI · On-site
Previous internship, co-op, laboratory, research, or product development experience strongly preferred. * 0-3 years of engineering experience. * 1 year of previous lab or hands on experience desired.
Sun Prairie, WI · On-site
Previous internship, co-op, laboratory, research, or product development experience strongly preferred. * 0-3 years of engineering experience. * 1 year of previous lab or hands on experience desired.
Previous internship, co-op, laboratory, research, or product development experience strongly preferred. * 0-3 years of engineering experience. * 1 year of previous lab or hands on experience desired.
Previous internship, co-op, laboratory, research, or product development experience strongly preferred. * 0-3 years of engineering experience. * 1 year of previous lab or hands on experience desired.
Portage, WI · On-site
$17.50 - $24/hr
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... engineering specifications, and quality standards. 5. Document defects, repairs, and rework ...
Portage, WI · On-site
$17.50 - $24/hr
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... engineering specifications, and quality standards. 5. Document defects, repairs, and rework ...
Sun Prairie, WI · On-site
Previous internship, co-op, laboratory, research, or product development experience strongly preferred. * 0-3 years of engineering experience. * 1 year of previous lab or hands on experience desired.
Sun Prairie, WI · On-site
Previous internship, co-op, laboratory, research, or product development experience strongly preferred. * 0-3 years of engineering experience. * 1 year of previous lab or hands on experience desired.
Portage, WI · On-site
$17.50 - $24/hr
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... engineering specifications, and quality standards. 5. Document defects, repairs, and rework ...
Portage, WI · On-site
$17.50 - $24/hr
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... engineering specifications, and quality standards. 5. Document defects, repairs, and rework ...
Madison, WI · On-site
$15 - $20.25/hr
Exposure to or coursework in programming languages such as Java, JavaScript, SQL, Python, or ... Must be available to work full-time (40 hours/week) throughout the co-op session * Must be ...
Madison, WI · On-site
$15 - $20.25/hr
Exposure to or coursework in programming languages such as Java, JavaScript, SQL, Python, or ... Must be available to work full-time (40 hours/week) throughout the co-op session * Must be ...
Madison, WI · On-site
$15 - $20.25/hr
Exposure to or coursework in programming languages such as Java, JavaScript, SQL, Python, or ... Must be available to work full-time (40 hours/week) throughout the co-op session * Must be ...
Madison, WI · On-site
$15 - $20.25/hr
Exposure to or coursework in programming languages such as Java, JavaScript, SQL, Python, or ... Must be available to work full-time (40 hours/week) throughout the co-op session * Must be ...
Madison, WI · On-site
San Francisco CA, Chicago IL, Phoenix AZ, Denver CO, Salt Lake City or Madison WI. We require ... Collaborate cross-functionally with QA, DevOps, Product, and Business teams using Agile ...
Madison, WI · On-site
San Francisco CA, Chicago IL, Phoenix AZ, Denver CO, Salt Lake City or Madison WI. We require ... Collaborate cross-functionally with QA, DevOps, Product, and Business teams using Agile ...
Prairie Du Sac, WI · On-site
$60 - $80/hr
Bachelor's Degree in Engineering (Mechanical preferred). * 2-5 years of related engineering experience, or equivalent combination of education, co-op, or internship experience. * Language Skills
Prairie Du Sac, WI · On-site
$60 - $80/hr
Bachelor's Degree in Engineering (Mechanical preferred). * 2-5 years of related engineering experience, or equivalent combination of education, co-op, or internship experience. * Language Skills
Bachelor's Degree in Engineering (Mechanical preferred). * 2-5 years of related engineering experience, or equivalent combination of education, co-op, or internship experience. Language Skills
Quick apply
Bachelor's Degree in Engineering (Mechanical preferred). * 2-5 years of related engineering experience, or equivalent combination of education, co-op, or internship experience. Language Skills
Cottage Grove, WI · On-site
$86K - $106K/yr
Mechanical Engineering internship, co-op, and/or senior design project experience, consumer products experience preferred Demonstrable experience in 3D CAD (SolidWorks preferred) Other Requirements:
Cottage Grove, WI · On-site
$86K - $106K/yr
Mechanical Engineering internship, co-op, and/or senior design project experience, consumer products experience preferred Demonstrable experience in 3D CAD (SolidWorks preferred) Other Requirements:
Cottage Grove, WI · On-site
$86K - $106K/yr
Mechanical Engineering internship, co-op, and/or senior design project experience, consumer products experience preferred Demonstrable experience in 3D CAD (SolidWorks preferred) Other Requirements:
Cottage Grove, WI · On-site
$86K - $106K/yr
Mechanical Engineering internship, co-op, and/or senior design project experience, consumer products experience preferred Demonstrable experience in 3D CAD (SolidWorks preferred) Other Requirements:
Madison, WI · On-site
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in June 2027 and finish in December 2027. There is some flexibility regarding ...
Madison, WI · On-site
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in June 2027 and finish in December 2027. There is some flexibility regarding ...
Madison, WI · On-site
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in June 2027 and finish in December 2027. There is some flexibility regarding ...
Madison, WI · On-site
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in June 2027 and finish in December 2027. There is some flexibility regarding ...
Madison, WI · On-site
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in January 2027 and finish in late summer 2027. There is some flexibility ...
Madison, WI · On-site
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in January 2027 and finish in late summer 2027. There is some flexibility ...
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in January 2027 and finish in late summer 2027. There is some flexibility ...
$19 - $25.50/hr
... engineering as well as by assisting in the building and testing of prototype products ... This Co-op will start in January 2027 and finish in late summer 2027. There is some flexibility ...
Madison, WI · On-site
$60 - $80/hr
Bachelor's degree in civil engineering, construction management, or a related field. * At least one year of construction field experience, including internship or co-op experience. * Familiarity with ...
Madison, WI · On-site
$60 - $80/hr
Bachelor's degree in civil engineering, construction management, or a related field. * At least one year of construction field experience, including internship or co-op experience. * Familiarity with ...
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... Support maintenance, plant services and quality assurance to implement engineering controls and ...
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... Support maintenance, plant services and quality assurance to implement engineering controls and ...
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... Support maintenance, plant services and quality assurance to implement engineering controls and ...
In 2019, the co-op launched its Dinner Bell Creamery brand and accompanying Co-op Crafted promise ... Support maintenance, plant services and quality assurance to implement engineering controls and ...
$14.58 - $19.83
0% of jobs
$19.83 - $25.07
0% of jobs
$25.07 - $30.31
1% of jobs
$30.31 - $35.55
3% of jobs
$35.55 - $40.80
6% of jobs
$40.80 - $46.04
14% of jobs
$46.25 is the 25th percentile. Wages below this are outliers.
$46.04 - $51.28
20% of jobs
The median wage is $52.59 / hr.
$51.28 - $56.52
23% of jobs
$58.76 is the 75th percentile. Wages above this are outliers.
$56.52 - $61.77
18% of jobs
$61.77 - $67.01
11% of jobs
$67.01 - $72.25
4% of jobs
$14
$52
$72
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.
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.
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.
The top searched job categories for Java Developer Co Op jobs in Sauk City, WI are:
$250/hr
Other
Medical, Retirement
Posted 3 days ago
New
Contribute to the ongoing development of web applications and command line tools that have a direct impact on the company's engineering, manufacturing and business processes. Working within a small team, student developers gain hands‑on experience implementing new projects and features, troubleshooting bugs, and continuously improving our development workflows and environments. Typical work includes the opportunity to utilize a range of programming languages and tools including PHP, Symfony, Python, Django, JavaScript and MySQL.
This position is full‑time and in‑person at our Verona, WI facility for a Spring/Summer 2027 Co‑Op (January‑August 2027) or a Summer/Fall 2027 Co‑Op (May‑December2027). This typically requires students to take a semester off school to accommodate.
Qualifications:Extreme Engineering Solutions offers a competitive compensation package and excellent benefits, including:
X-ES also takes a casual, small‑business approach to company culture. At our state‑of‑the‑art office and manufacturing facility located in Madison’s growing tech corridor, there’s no formal dress code, flexible scheduling, and dedicated personal workspaces. Our employees kick back at regular company events and enjoy lunches from local pizza places and food carts. At X-ES, we strive to offer a comfortable, relaxed environment for our employees to do their best work.
About X-ESX-ES is proud of its strong university partnerships and offers multiple student opportunities each year. Student employees make direct contributions to the company’s products, processes, and day‑to‑day operations.
When “rugged enough” isn’t rugged enough for embedded computing systems, industry leaders in the military, aerospace, industrial, and commercial sectors turn to Extreme Engineering Solutions (X-ES). Because we strive to be the premier provider of mission‑critical embedded products while delivering exceptional levels of customer and employee satisfaction, we hire strong contributors and give them space to thrive. As a 100% employee‑owned company, our employees both drive and directly benefit from our success. Together, we meticulously design and build products that stand up to some of the most extreme conditions on the planet.
Extreme Engineering Solutions is located in the Madison, WI area. The company designs and manufactures rugged embedded computing solutions for a variety of applications. For more information, visit www.xes‑inc.com.
Extreme Engineering Solutions is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or any other category protected by law.
All X‑ES job postings and application procedures are posted in compliance with Section39.08 of the Madison General Ordinances.
