How our 3-engineer team scaled a 14-microservice EdTech LMS for 10,000+ active students. Weathering Sunday JEE/NEET mock test traffic surges, implementing IndexedDB write-ahead batching, BullMQ async analytics, and zero-downtime NGINX canary deployments without resetting a single student's exam.
From grinding fundamentals and debugging junior code to scaling 14 microservices for 10,000+ students and taking SaaS from $0 to $6K MRR. Hard-earned reflections on distributed systems, cloud economics, high agency, and surviving production at 3 AM.
Building a multi-tenant platform where each merchant connects their own gateway (Cashfree, Razorpay, or Stripe) means balancing PCI compliance, tenant isolation, and UX. Here is why tokenization is non-negotiable and how the Luhn algorithm almost tricked me.
Building a professional-grade video infrastructure requires moving beyond simple file uploads to a distributed, event-driven pipeline. This architecture addresses the three pillars of modern video engineering: Scalability, Security, and Experience.
