Backend engineer

3 topics · 327 questions

Design an API that survives retries, and a schema that survives the next feature.

Mid level

APIs and data
A backend engineer interview on designing APIs and data layers that stay correct under retries, concurrency, and change.
109 questions · about 55 minutes

Senior and above

Backend system design
A senior backend engineer interview on designing services and data stores that scale, stay consistent, and degrade gracefully under failure.
110 questions · about 55 minutes
Technical leadership
A senior backend engineer interview on leading service ownership, API and data migrations, and hard tradeoffs across teams without formal authority.
108 questions · about 54 minutes