Notes on distributed systems, applied AI, and the things I build after hours.https://vivekchalla.dev/https://vivekchalla.dev/blog/how-llms-work-inside/https://vivekchalla.dev/blog/how-llms-work-inside/Start with the version you could tell a five-year-old, then zoom all the way in: tokens, embeddings, attention, how W_Q, W_K and W_V are learned, and what actually happens when a model answers you.Tue, 22 Sep 2026 00:00:00 GMThttps://vivekchalla.dev/blog/multi-agent-assistant-in-production/https://vivekchalla.dev/blog/multi-agent-assistant-in-production/What broke, what we monitored for, and why a simpler agent graph beat a clever one.Sat, 12 Sep 2026 00:00:00 GMThttps://vivekchalla.dev/blog/event-streams-over-cron/https://vivekchalla.dev/blog/event-streams-over-cron/Swapping a nightly batch job for Kafka and Lambda cut lead response time from hours to seconds.Wed, 19 Aug 2026 00:00:00 GMThttps://vivekchalla.dev/blog/spring-boot-patterns-that-scale/https://vivekchalla.dev/blog/spring-boot-patterns-that-scale/The handful of decisions — connection pooling, idempotency, circuit breakers — that matter more than the framework choice.Wed, 08 Jul 2026 00:00:00 GMT