Kunal Khandelwal

Are you preparing for frontend interviews, especially the machine coding round? Many candidates struggle with this phase, not because they lack knowledge but because they aren’t well-prepared for real-world problem-solving under time constraints.

This collection of ReactJS Machine Coding Questions is designed to help you crack interviews with confidence by focusing on the most frequently asked problems in FAANG, startups, and top tech companies (based on my personal interview experiences).

What’s Inside?

✅ Real-world React Problems – Questions that test your knowledge of ReactJS, JavaScript, TypeScript, and UI development.

✅ State Management & Hooks – Questions that help you practice the Use of React Hooks, Context API, and Redux effectively.

✅ Performance Optimization – Optimize rendering, avoid unnecessary re-renders, and improve application efficiency.

✅ API Handling & Asynchronous Data – Fetch and manage data using fetch, Axios, React Query, and more.

✅ Error Handling & Edge Cases – write robust code that accounts for real-world scenarios.

NOTE- There are no solution in the PDF.

Why This Collection?

🔹 Stay Ahead – These are the most commonly asked ReactJS machine coding problems in 2025.

🔹 Practice Efficiently – Develop the ability to write clean, optimized, and modular code under interview pressure.

🔹 Boost Your Confidence – With these questions, you’ll feel well-prepared for any frontend machine coding round.

Whether you’re a fresher or a developer with years of experience, this collection will help you stand out in technical interviews and land your dream job.

🚀 Start practicing today and get one step closer to success!