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

An assortment of common sense ideas and practices that we follow at Zerodha for being future ready with our software, systems, and our organisation.

Our experience running large multi-terabyte PostgreSQL DBs in production with hundreds of billions of rows with minimal resources.

How we incrementally built a business rule validation engine to keep up with the changing business and regulatory environment, starting with a custom DSL, and ended up writing a framework to manage rules written in Go and distribute them as pure Go plugins.

The story of a massive Kannada dictionary created by V. Krishna single handedly over four decades, and its accidental discovery and open sourcing at an unlikely place, a stock brokerage.

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.