First Round:
This round is mainly on data structure and Algorithms. The questions will be like the medium-level questions in the LeetCode. They will be looking for the method of solving not exactly a solution, but try to finish the question with the best solutions. In the end, there were simple questions on HTML, CSS, and Javascript.

Second Round:
In this Round, you will be asked questions on HTML, CSS, Javascript, and ReactJS, most of these are based on therotical try to answer by giving examples.
After these, you should build a UI application on ReactJS. Try to build the application with considering optimization and browser performance.
In the end, you will be asked questions on the optimization and performance of web applications.

Manager Round:
This round contains most of the questions on leadership principles and simple technical questions.

Finally, I couldn't accept the offer as I got a better offer.