Application Development Co-Op

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‑December
2027). This typically requires students to take a semester off school to accommodate.

• Currently pursuing a degree in Computer Science, Software Engineering, or a related field.
• Knowledge of object‑oriented design principles and common design patterns with some experience with Python, PHP or another dynamic language.
• A basic understanding of common software development tools and practices such as Git and Git Lab, package management, automated testing and code review.
• Comfortable working in a primarily Linux‑based environment.

Extreme Engineering Solutions offers a competitive compensation package and excellent benefits, including:

• No‑deductible, low‑copay group health insurance (90% employer paid).
• Eligibility for health insurance benefits on the first day of the month following date of hire.
• 401(k) employer match up to 4%. Roth option is available.
• Employee Assistance Program (EAP)

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 work spaces. 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.

X-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‑

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 Section
39.08 of the Madison General Ordinances.