Analysis and design before jumping to conclusions, tradeoffs always in mind
Engineering: Tested, high quality, maintainable code and performant code
Testing: All forms of testing, high coverage, error, negative and chaos scenatios, things about failure and non-obvious tests like queeus, batchs, webhooks, etc.
Be able to run Green Migrations: Smooth, with observability, no critical bugs, no surprises.
Drive Amazing Observability with great error handling: Logs, metrics, alerts, dashboards, etc. Errors are not normal, they are exceptions.