We build technology at Zerodha, India's largest stock broker.

A disorderly assortment of common sense ideas for scaling applicaions that we follow at Zerodha. TLDR: Simple scales. Scale application before infra. Keep networking and IO minimal.

How we developed a hybrid multi-DC and cloud monitoring stack with Prometheus, Grafana, and Victoria metrics for monitoring system, app and service, and also business metrics.

TLDR: 30 member tech team formed over seven years built India's largest stock broker. Unconventional setup. The long pending tech blog is finally here. Some backstory and context.