All interview paths
Full-stack developer interview preparation
Full-stack interviews go broad rather than deep, but they do probe the seams — how data moves between the database and the browser, and where the responsibility for validation, caching and error handling sits. Expect to be asked to justify choices on both sides.
5 stages · 466 practice questions
- 1
JavaScript
106 questionsThe shared language across both halves of the stack.
- 2
TypeScript
90 questionsTypes are how a full-stack codebase stays coherent across the client/server boundary.
- 3
React
90 questionsThe client layer: rendering, state and data fetching.
- 4
Node.js
90 questionsThe server layer: async behaviour, streams and process lifecycle.
- 5
SQL
90 questionsData modelling and query performance, where most real bottlenecks turn out to live.
