Full Stack Software Engineer Intern

About PrePass

PrePass® is North America's most trusted weigh station bypass and toll management platform. We’re transforming how the transportation industry operates—creating solutions that keep trucks moving safely, efficiently, and compliantly. This means making bold decisions and building systems that support not only fleets but the broader economy. It all starts with enabling commercial vehicles to keep rolling with seamless toll management, weigh station bypass, and safety solutions. It’s what we do best, and we do it to meet the demands of the road every day.

That’s why people join us: our solutions are implemented in real-time, on highways and interstates across the nation, helping fleets go farther, faster. This work challenges and rewards, presenting complex problems that need ambitious answers. We hire bold thinkers with a heart for impact, a passion for progress, and a drive to transform an industry.

Position Summary

The Bypass & Safety team at PrePass is looking for a Full Stack Software Engineer Intern to help build and enhance customer-facing features that drive safety and performance across our platform. This internship is a great opportunity for a junior or senior in college (or equivalent experience) who’s passionate about solving real-world problems using modern technologies.

As an intern on our team, you’ll collaborate with engineers and product teams to design and implement end-to-end software solutions. You’ll work across the stack—from building engaging UIs in React to developing robust APIs using object-oriented languages like C#, Java, or TypeScript.

This hybrid role is based in our downtown Phoenix office with flexibility for remote workdays.

What You’ll Do

• Design, build, and maintain full-stack software features using React JS and object-oriented languages such as C#, Java, or TypeScript
• Collaborate with engineers, designers, and product owners to bring new customer experiences to life
• Develop RESTful APIs and integrate with backend services
• Write clean, maintainable code with unit tests to ensure software reliability
• Participate in Agile development ceremonies including sprint planning, standups, and retrospectives
• Contribute to technical documentation and share knowledge with team members

What We’re Looking For

• Junior or Senior pursuing a degree in Computer Science, Software Engineering, or a related field (or equivalent experience)
• Experience with React JS for frontend development
• Proficiency in at least one object-oriented programming language (e.g., TypeScript, C#, Java, C++)
• Familiarity with REST API design and development
• Strong communication and collaboration skills
• A willingness to learn and grow in a fast-paced environment

Bonus Points If You Have

• Experience working with Azure cloud services
• Familiarity with Docker for development or deployment
• Understanding of unit testing frameworks and practices
• Exposure to Agile methodologies, including Scrum or Kanban

How We Will Take Care of You

• Robust benefit package that includes medical, dental, and vision that start on date of hire.
• Paid Time Off, to include vacation, sick, holidays, and floating holidays.
• 401(k) plan with employer match.
• Tuition Reimbursement Program.
• Voluntary benefits, to include but not limited to Legal and Pet Discounts.
• Employee Assistance Program (available at no cost to you).
• Company-sponsored and funded “Culture Team” that focuses on the Physical, Mental, and Professional well-being of employees.
• Community Give-Back initiatives.
• Culture that focuses on employee development initiatives.