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SEENUVASAN P
SEENUVASAN P

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Day 16: My First Round Node.js Interview Experience at Payilagam – Writing Round

#payilagam #node #programming

Today (17th June 2025), I attended the first round of my Node.js interview at Payilagam Institute, conducted by Maan Sarovar Tech Solutions Pvt Ltd. The first round was a written test and the duration was 1 hour.

This round mainly tested my JavaScript and Node.js fundamentals. I faced a set of 20 questions that covered both technical concepts and personal opinion-based questions.

Here are the questions I got in the interview:

  1. What do you know about Maan Sarovar Tech Solutions?

  2. How do you say 'You are the right candidate' for this position?

  3. What is the difference between a function declaration and function expression?

  4. How does setTimeout work?

  5. How do you select elements from the DOM?

  6. What is the purpose of async and await in JavaScript?

  7. What is a callback function?

  8. What is Node.js and how does it work?

  9. Why does Node.js use the V8 engine (used by Google)?

  10. Why is Node.js single-threaded?

  11. Can you access the DOM in Node.js?

  12. How to create a simple HTTP server in Node.js?

  13. What is the difference between synchronous and asynchronous functions?

  14. What are the different types of HTTP requests?

  15. Explain the this keyword.

  16. What is the difference between undefined and null in JavaScript?

  17. What is the difference between == and === operators in JavaScript?

  18. What are truthy and falsy values?

  19. What is the difference between global and local scope?

  20. Startup vs Bigger Companies – Which is your preference and why?

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