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goncy/interview-challenges

A set of interview challenges excercises

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★ 1,762TypeScriptupdated Jun 2026

// the take

A grab-bag of interview-style coding exercises — algorithm katas, live-coding bug-fix/feature tasks, and take-home projects — built live on goncypozzo's Twitch stream, plus a handful of real challenges from companies that used them to screen candidates. It's aimed at frontend/backend devs practicing for technical interviews, mostly in the JS/TS/React ecosystem.

Covers the actual formats companies use (live-coding, take-home, algorithm rounds) instead of just generic LeetCode-style problems. Each exercise is self-contained with its own package.json and tests, so you can clone one folder and run it without touching the rest of the repo. The real company challenges (Aerolab, Wallbit, Basement, etc.) are a genuinely useful look at what actual hiring pipelines ask for, not invented busywork. Many exercises link to a recorded stream walking through the solution.

Almost everything — READMEs, exercise prompts, folder names — is in Spanish, which cuts off a big chunk of the potential audience. There are no checked-in reference solutions for most exercises; if you don't watch the corresponding YouTube/Twitch VOD, you have no way to check your answer. Tooling is inconsistent folder to folder (npm vs pnpm lockfiles, different eslint/prettier configs) because each one was scaffolded live on stream rather than from a shared template, so there's no single `npm install` that sets up the whole repo. It's a flat, ever-growing list with no difficulty progression or index beyond session numbers, so it's hard to pick exercises matching your level.

We read the README, the directory tree and a key source file in October 2026. Nobody pays to be listed. How we judge →

// at a glance

Stars
1,762
Forks
454
Language
TypeScript
Last commit
16 Jun 2026

// nearby

If interview-challenges isn't quite it.

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