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Thoughts on distributed systems, backend engineering, cloud architecture, and lessons learned the hard way in production.

NATS JetStreamDistributed SystemsMulti-TenancyGo

How We Isolated Tenants on NATS JetStream Without Losing Our Minds

Stream-per-domain isolation sounds simple until you're managing 50 tenants, dynamic routing rules, and the occasional tenant that decides to publish 10,000 messages in a minute.

March 15, 2026

DatabaseZero-DowntimePostgreSQLKubernetes

Moving 3 Million Rows in Production Without Dropping a Request

Zero-downtime migrations require you to think forward and backward at the same time. Here's the expand-and-contract pattern that got us through it at Grab.

January 20, 2026