Senior Real-Time Auction Engineer

Alt is building real-time pricing and liquidity tools for the high-speed world of trading-card collectibles. You will own the auction engine, AI-powered liquidity features, and personalized discovery, shaping how collectors buy, bid, and watch listings in real time. You’ll deliver high-concurrency systems, mentor the team on coding standards, and push the boundaries of performance. This remote-first role offers substantial ownership and impact within a growing platform.