Crack the React Machine Coding Round in 7 Days ♻️ with Suraj Gehlot

Stop reading solutions. Start building them. 🛠

Machine coding rounds don't test whether you've SEEN a solution. They test whether you can BUILD one under a clock. This 120-page playbook trains exactly that.

🔁 EVERY PROBLEM, 5 STAGES

1️⃣ The Brief: a real product scenario with a requirements checklist and a UI sketch

2️⃣ Try It Yourself: set the timer, then 4 progressive hints from "nudge" to "almost there"

3️⃣ Concepts Toolkit: the exact React concepts you need, with small examples

4️⃣ Solution: clean, simple code on a separate page (no accidental peeking) + "How it works"

5️⃣ Interviewer Follow-ups: the "now what if…" questions asked after you finish

📚 25 MOST-ASKED PROBLEMS

→ Counter, Stopwatch, Countdown Timer, Digital Clock, Progress Bar

→ Star Rating, OTP Input, Password Strength Meter, Accordion, Modal, Todo App

→ Autocomplete Search, Data Table (sort, filter, paginate), File Explorer, Image Carousel, Infinite Scroll

→ Tabs, Traffic Light, Pagination, Signup Form Validation

→ Toast Notifications, Tic-Tac-Toe, Multi-Select with Chips, Nested Comments, Kanban Drag & Drop

🧰 ALSO INCLUDED

→ A 7-day practice plan with daily checklists (Day 7 = 4 timed mock rounds)

→ The 45-minute framework: what to do at every stage of a real round

→ A reusable hooks cheat sheet: useInterval, useDebounce, useClickOutside, useLocalStorage, IntersectionObserver and more

→ An interview-day checklist and a progress tracker

🎯 WHO IT'S FOR

→ Frontend developers preparing for machine coding / UI rounds

→ Anyone who freezes when asked to "build this component in 45 minutes"

→ Works for Next.js rounds too (just add "use client")

✅ WHAT YOU GET

→ 120-page PDF · 25 problems · 100 hints · 100 follow-up questions

→ Clickable contents and bookmarks for every problem

→ Instant download

Prepared by Suraj Gehlot, Frontend Engineer

💬 Want to practise live? Book a mock machine coding round with me.