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Posted Oct 29, 2026
Hamburg
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Salary (estimate)
Full-time reference: €37,000–€58,000/year
Do you want to gain real startup experience while still studying and work on a product people actively use to buy and sell classic cars? At Kickdown, you help build a live auction platform with real users and real transactions.
We are looking for a Working Student Product Engineering (Ruby on Rails) who is curious about how products are built, not just how code is written. You will work on our auction platform using Ruby on Rails and collaborate closely with product and business teammates, with your work directly influencing user experience, trust, and conversion.
Our mission is to give service-driven owners and global collectors peace of mind when buying and selling German premium classics, through a seamless and transparent end-to-end transaction. You will help improve core user flows, look at how users actually behave in them, and turn that insight into small, testable changes, so you quickly see how your contributions affect the product.
You will be part of a small, focused team where decisions are made quickly and learning is hands-on. If you want to build meaningful software, understand how technology drives real products, and care as much about outcomes as output, we would love to hear from you.
You work on a live auction platform with real users, your contributions go into production, and you get exposure to the product decisions and data behind them, not just tickets.
You are part of a small, cross-functional team with short decision paths and a strong product focus.
You take on meaningful tasks within a clear scope, with guidance and feedback as you grow.
You work with modern tools and workflows, including AI-assisted development and code reviews.
Flexible hours and understanding around exam periods support a healthy study-work balance.
You gain exposure to a funded startup and connect with teammates and the wider startup ecosystem.
At Kickdown, we auction special vehicles every day and continue to grow steadily. With the support of experienced investors, we are further developing our platform and expanding our reach across Germany.
Our goal is to make buying and selling classic and collector cars more transparent, reliable, and enjoyable through a strong digital product. From our modern office in the center of Hamburg, we build software used by hundreds of thousands of users nationwide.
You want to contribute to a growing product, learn how a real startup operates, and see how your work moves the numbers? Then we look forward to receiving your application.
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Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation
Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation