GLLRST is an art-collecting app where users search the Harvard Art Museums and Art Institute of Chicago APIs, build a gallery, trade pieces, and play mini-games. It is built with React, Express, and MongoDB. I built the Showcase feature solo: users curate pieces into playlists and play them as a slideshow.
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Network Heartbeat Monitor is an uptime dashboard built by a team of four in three weeks with Node.js, Express, MongoDB, and Socket.IO. It pings registered URLs on a schedule and pushes live up/down status to a React dashboard. I built the synthetic-transaction system: scripted multi-step HTTP journeys, like login to checkout, that stop at the first broken step.
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Barta is a peer-to-peer barter marketplace built by a team of four with React, Express, Prisma, PostgreSQL, and Socket.IO. I was the main architect of the trust-and-safety system: AI content screening, reports and appeals, notifications, user blocking, and the moderation UI. The backend uses an outbox pattern and optimistic concurrency, so a crash cannot leave a post without its screening job
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