Senior Full Stack Developer Interview (Node.js, JavaScript, React, MongoDB) | Real Tech Interview

💡 Welcome to Code Career & Cloud by Mayank — your daily dose of Dev Tools, Coding Tips, and Cloud Insights ☁️

🎯 In this video:
I share a real full stack developer interview conducted for Techstar Group’s client Mr. Cooper.
This interview focuses heavily on JavaScript fundamentals, Node.js backend concepts, REST APIs, MongoDB, React basics, system understanding, and real-world engineering thinking.

I have blurred the candidate’s face and shared only the technical learning content, so other developers can learn, revise, and understand how real interviews actually happen.

🎯 Want more help?

👉 If you want the full question list or detailed preparation notes, comment below on this video.
👉 If you want structured interview preparation PDFs, visit our website and submit your requirement.

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What you will learn from this interview:

How interviewers evaluate JavaScript fundamentals
Call by value vs call by reference explained in interviews
Shallow copy vs deep copy questions
JavaScript hoisting, var, let, const
Event loop, promises, setTimeout priority
REST API concepts, HTTP methods, status codes
CORS, preflight requests, API security basics
Node.js best practices, middleware, clustering
MongoDB schema design, indexing, limitations
Real discussion on senior developer responsibilities
Common mistakes candidates make in interviews
What interviewers actually expect from senior engineers
This video is extremely useful for:
Full Stack Developers
Node.js Developers
JavaScript Engineers
Backend Developers
Developers preparing for L1 and L2 technical rounds
Engineers aiming for senior roles

If you are preparing for real client interviews, this will give you a very clear idea of how questions are asked, how follow-ups happen, and where candidates usually struggle.

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