01 · Featured
linkpulse
A production shaped URL shortener with real time click analytics, built to demonstrate backend engineering.
Live site (opens in a new tab) Source (opens in a new tab) Design write up (opens in a new tab)Load test write up (opens in a new tab)
- Redis read through cache on the redirect hot path
- Async click pipeline that never blocks a redirect
- Sliding window rate limiter written in Lua on Redis
- Rotating refresh tokens with reuse detection
- Load tested with k6, with root caused numbers rather than estimates
Node.js · TypeScript · Express · PostgreSQL · Prisma · Redis · Next.js · Docker