Featured7 min read
Building real-time chat for a multi-vendor marketplace
How I wired Socket.io into a MERN marketplace so vendors and customers could talk instantly — rooms, presence and message persistence.
- Socket.io
- Node.js
- MongoDB
Blog
Notes from the build.
Write-ups on real-time systems, performance, security and the lessons I pick up shipping full-stack apps.
5 min read
Caching Prisma queries with Redis
A simple read-through cache that cut dashboard load times on the Bio Lab project — plus the invalidation rules that kept data fresh.
- Redis
- Prisma
- PostgreSQL
8 min read
JWT auth in Express, done right
Access and refresh tokens, httpOnly cookies, rate limiting and the small details that make authentication actually secure.
- Security
- Express
- JWT
6 min read
What 250 LeetCode problems taught me about real code
Patterns from algorithm practice that show up in everyday full-stack work — and the ones that don't.
- DSA
- Career
6 min read
Notes from moving to the Next.js App Router
Server components, route folders and layouts — what clicked, what confused me, and how I structure projects now.
- Next.js
- TypeScript