Henrique Santos
Projects
Writing
About
Writing
Notes on engineering and building, newest first.
2026
Why we moved our queue back to Postgres
Oct 2026
Pricing a developer tool when nobody has a budget
Jul 2026
The first three engineers
Mar 2026
2025
Idempotency keys, properly
Nov 2025
What broke between 10 and 100 customers
Jun 2025