AI-powered fitness copilot

ARC

ARC combines workout planning, nutrition tracking, habit management, and AI-assisted fitness generation in one product ecosystem.

What I built

  • Built 25+ REST API endpoints across a 17-table PostgreSQL schema.
  • Created a reusable fitness engine with a 40+ exercise library for workout generation and macro calculations.
  • Used seven shared packages in a Turborepo to keep types and product logic consistent.

Technical challenge

  • Kept mobile, web, and API contracts aligned through shared packages and end-to-end types.

Technology

React Native, Express.js, TypeScript, PostgreSQL, Drizzle ORM, Next.js, Turborepo, Docker