• Architect the Auction Engine: Build and scale the high-concurrency bidding and listing systems that power 9-figure annual GMV. • Ship AI-Powered Liquidity: Develop next-gen features that leverage AI to provide instant valuations and upfront liquidity to our consignors and sellers. • Personalize the Hobby: Use data and machine learning to build rich, personalized discovery experiences that match unique collectibles to the right buyers. • Empower Power Users: Design and launch sophisticated management tools for everyone from high-frequency "power sellers" to veteran hobbyists. • Own the Experience: Build end-to-end—from the low-latency backend logic required for live bidding to the sleek, responsive UI where the action happens. • Drive Technical Excellence: Mentor the team and set the standard for code quality, system reliability, and performance.