Writing
Field notes on cloud architecture, backend systems, migrations, and building reliable healthcare software — by Rajesh Pandey.
Migrating live subscription billing without your customers noticing
Patterns for moving active subscriptions between billing systems with zero downtime — backfills, order linking, idempotency, and the cutover itself.
What building and selling a telehealth startup taught me about healthcare engineering
Medsi went from zero to 250,000+ downloads and an acquisition. The engineering lessons had very little to do with code.