Backend track · 8 reviews · ~104 min
Backend Engineer · Node / Express
Review backend pull requests in your stack — validation, ORM, auth, and data integrity — from first-day fixes to lead-level transaction and migration reviews.
TypeScriptExpressPostgreSQL
The route
- Junior Steps 1–2
- Validate the request bodyTypeScript · Express · 10 min
- Fix the broken ORM queryTypeScript · Express · 10 min
- Mid-level Steps 3–4
- Harden the auth middlewareTypeScript · Express · 12 min
- Handle the async / error pathTypeScript · Express · 12 min
- Senior Steps 5–6
- Untangle the N+1 and missing indexTypeScript · Express · PostgreSQL · 14 min
- Review the API contract changeTypeScript · Express · 14 min
- Lead Steps 7–8 PRO
- Audit the transaction boundariesTypeScript · Express · PostgreSQL · 16 min
- Review a migration on a live tableTypeScript · Express · PostgreSQL · 16 min