Engineering
Node, Python or Go? Postgres or something newer? A practical guide to picking boring technology that scales.
The best backend stack is usually the one your team already knows. Hiring, debugging and onboarding all get easier with familiar tools.
That said, some defaults are hard to beat: TypeScript on Node.js for product APIs, Python for data and AI work, Go for high-throughput services, and Postgres for almost everything that stores data.
Reach for new databases only when you have a specific problem Postgres can't solve. Most can be solved with an index, a materialized view or a queue.
Whatever you choose, invest early in tests, typed APIs and observability. They matter more than the framework.