Product engineer

At 8returns, we're transforming one of the most frustrating, environmentally damaging and costly aspects of e-commerce: returns. Trusted by the fastest-growing DTC names like OACE, PEGADOR, GOT BAG and now adopted by iconic brands such as Fielmann, Tommy Hilfiger, and Reebok, we're inventing what's next in post-purchase. As a Product Engineer at 8returns, you'll own the features that make merchants love our product. Build AI-powered insights, beautiful interfaces, and tools that turn returns data into profit. If you ship fast, care about craft, and want real ownership, this is your role. Tasks Rapidly prototype and ship new features end-to-end Build AI-powered features that help merchants understand and reduce returns Own the entire product development cycle – from ideation to metrics Talk to merchants, understand their pain, then fix it Design and implement experiments to validate product hypotheses Work closely with our founders to shape product strategy Requirements 2 years shipping production React/TypeScript apps Strong full-stack engineering skills (frontend, backend, infrastructure) You've integrated AI/LLMs into real products (OpenAI, Claude, LangChain) Strong product sense and opinions on good UX You ship first, perfect later Autonomous. We give you problems, not solutions Bonus: Previous founder or early startup experience Comfortable with our backend: Rails, PostgreSQL You've built data-heavy interfaces that don't suck Understanding of the AI/ML landscape beyond just API calls Benefits Direct impact on millions of users Own what you build, no layers of approval Low meetings, high ownership culture Work directly with our founders Berlin-based, flexible hybrid setup Meaningful equity in a profitable, fast growing company We run lean, stay profitable, and care about solving real merchant problems. Ready to build the future of e-commerce? Let's talk.