4d ago · 31 min read · Functional Requirements of a Centralized Exchange Before implementing the matching engine, let's understand how a real centralized exchange works and what functionality we need to support. What is a C
Join discussion
Jun 3 · 2 min read · After a decade of freelance development, I’ve realized that the biggest gap for most developers isn't learning a new syntax—it’s learning how to structure a project that can actually scale. I recently
Join discussion
May 11 · 8 min read · 42.8% HTTP error rate, 9 minutes into a load test. The culprit was a single updateMany line carelessly written during AI-assisted coding. 1. Discovery — "Why are we doing 9.5 TPS when the target is
Join discussion
May 7 · 7 min read · Adding Google Sign-In to a Next.js app involves three moving parts: the OAuth provider, the session layer, and the database schema. NextAuth v4 handles the OAuth flow and session management; PrismaAda
Join discussion
May 7 · 6 min read · An invoice generator that only downloads PDFs is half a tool. Users need to re-download a past invoice when a client asks, update line items before resending, and maintain a paper trail without keepin
Join discussion
Apr 29 · 21 min read · Have you ever wondered how platforms like Webflow, Notion, or Hashnode serve thousands of users from a single codebase — each with their own unique URL? The answer is multi-tenancy: an architecture wh
Join discussion
Apr 13 · 10 min read · Why I Standardized on One Stack When I started freelancing, every project had a different stack. One client wanted Express. Another wanted Fastify. One had MongoDB. Another had MySQL. Every project me
Join discussionApr 3 · 7 min read · When I started optimizing backend code, one of the first things I noticed was that our APIs were slow. Not broken — just slow. Averaging 1.2 seconds per request across 15+ endpoints. For a messaging p
Join discussion
