In-depth architecture studies and distributed systems breakdowns. Written with zero fluff — focusing on failure modes, data flows, and sub-second scale.
A deep dive into presigned URLs, separation of concerns, privacy, and image optimization — how large-scale systems handle image uploads without ever touching the image bytes themselves.
A deep dive into building a reactive, scalable load balancing architecture using private DNS, CDC, and telemetry-driven orchestration.
How WhatsApp handles 100B+ messages/day with end-to-end encryption, minimal servers, and global delivery.
How Discord serves 19 million concurrent users with real-time voice, video, and text — and why they moved from Golang to Rust.
Study Topics