Browse structured, editorial-style articles on coding interviews, system design, behavioral rounds, and career growth without the filter clutter.

Every article is written to help you move from passive reading to active interview practice, with patterns, frameworks, and decision-making shortcuts you can apply immediately.
12 published articles and growing.
Use the articles as your theory layer and jump into the questions bank when you want to turn concepts into recall and repetition.
Explore QuestionsDeeper reads across frontend, backend, system design, and hiring prep.
React Hooks fundamentally changed how developers write React - and they've dominated interview question banks ever since. This guide covers 40+ questions junior and mid-level developers face at product companies, organized from basic to advanced: state hooks, effect hooks, performance hooks, custom hooks, and React 18 additions like useTransition and useDeferredValue. Every question includes a clean code example and an interview tip.
61.3% of developers use SQL daily. Master all 30 SQL interview questions: joins, window functions, CTEs, ACID, and query optimization, with runnable examples.
Every problem has two solutions: the one most candidates write, and the one that impresses interviewers. Covers array manipulation, string problems, recursion, closures, prototype implementations, debounce/throttle, event emitter, deep clone, and promise chaining - all with time/space complexity.