Tech Stack

Description

You will architect the high-concurrency bidding and listing systems that power 9-figure annual GMV, ship AI-powered liquidity features, personalize discovery for collectors, and build professional-grade tools for power sellers. This role sits at the intersection of high-scale transaction systems and cutting-edge AI, giving you ownership of end-to-end features that millions of hobbyists rely on.

Requirements

• 5+ years building and scaling complex applications (Python, Postgres, AWS/Cloud)
• Deep experience with React, TypeScript, and high-performance real-time UIs
• Data-driven mindset with experience in personalization, recommendation systems, or AI/ML
• Product instincts and understanding of the collector mindset
• Track record of building reliable systems under high traffic

Responsibilities

• Architect and scale high-concurrency bidding and listing systems
• Develop AI-powered features for instant valuations and upfront liquidity
• Build personalized discovery experiences using data and machine learning
• Design and launch sophisticated management tools for power sellers
• Own end-to-end development from low-latency backend to responsive UI
• Mentor the team and set standards for code quality and reliability