Fullstack track · 8 reviews · ~104 min
Fullstack Engineer · MERN
Review pull requests across the stack — client state and API contracts through to queries, transactions, and rollouts — in the fullstack combination you actually ship.
TypeScriptExpressReactPostgreSQL
The route
- Junior Steps 1–2
- Validate the API request bodyTypeScript · Express · 10 min
- Fix the component data bindingReact · 10 min
- Mid-level Steps 3–4
- Harden the auth flow end-to-endTypeScript · Express · PostgreSQL · 12 min
- Handle the loading & error statesReact · 12 min
- Senior Steps 5–6
- Untangle the N+1 behind the endpointTypeScript · Express · PostgreSQL · 14 min
- Review the API contract both sides consumeTypeScript · Express · 14 min
- Lead Steps 7–8 PRO
- Audit the transaction boundariesTypeScript · Express · PostgreSQL · 16 min
- Review the client rollout & optimistic UIReact · 16 min