Senior Product Engineer

Description

• Own and deliver features end to end — from database schema to polished UI • Architect scalable solutions for real-time product data and search • Collaborate with Design and Product to define technical approaches and trade-offs • Write clean, well-tested code and conduct thorough code reviews • Mentor junior engineers and help shape a culture of engineering excellence • Identify and resolve performance bottlenecks across the entire stack • Participate in on-call rotations and incident response when it matters most

Requirements

• 5+ years of full-stack web development experience • TypeScript, React, and Node.js are your everyday tools • RESTful APIs and PostgreSQL — schema design and query optimization • You independently drive projects from idea to production • Strong communication skills — you can explain technical decisions to non-technical audiences • Nice to have: Next.js App Router, Server Components, and React Server Components • Experience with e-commerce platforms, Amazon SP-API, or marketplace data • Experience scaling data pipelines, web scraping, or ETL processes • Open-source contributions or a strong technical blog/portfolio • You actively use AI tools and continuously improve your workflows • You simplify rather than add unnecessary complexity • You are self-motivated to learn — new tools, new patterns, and new domain knowledge

Benefits

• Brand-new, cozy office in the heart of Sülz, Cologne • Work directly with the founders — short communication lines and fast decisions • Genuine ownership instead of micromanagement • Direct impact on a product used daily by thousands of sellers • 30 days of vacation • Latest MacBook Pro and any equipment you need • €1,200 remote-work budget • Urban Sports membership • Co-working space membership • Team retreats twice a year • A team that sees AI as an integral part of daily work

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