Senior Product Engineer (m/w/d)

Own end-to-end features from database schema to finished UI, architecting scalable solutions for real-time product data and search. Collaborate with Design and Product to define technical approaches, write clean tested code, and lead thorough code reviews. Mentor junior engineers and drive a culture of engineering excellence while identifying and resolving performance bottlenecks across the stack. Manage on-call rotations and incident response when critical. Leverage TypeScript, React, and Node.js to independently drive projects from idea to production. Join a small, ambitious team at FourByte GmbH building the future of online arbitrage, with direct impact on a platform used by thousands of sellers daily.