Interview Experience at OYO Rooms for Web Development Engineer(WDE) 2
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May 25, 2019

Status: Front End Developer at BookMyShow( Work Ex - 1 Year 10 months)
Position: OYO Rooms WDE2
Location: Kormangala(Bengaluru)
Date: April 20, 2019

1. Pen and Paper Round(1 hour)
* 4 Javascript questions (Closures, Polyfill for Filter, Usage of 'this' keyword etc)
* 1 Algorithm question(Balanced paranthesis problem)

2. Face to Face interview-1(HTML/CSS/Javascript) - Lasted for around 40-50 mins
* Function Prototypes
* Discussion on the questions from Round-1
* Few CSS questions
* How lazy loading works
* Asked to write HTML, CSS and JS code for one of the modal boxes from their website
* Closures in loops

3. Face to Face interview-2(Data Stuctures and Problem Solving) - Lasted for around 30-35 mins
* Find the one missing number in range(https://www.geeksforgeeks.org/find-one-missing-number-range/)
* Print right view of given binary tree(https://leetcode.com/problems/binary-tree-right-side-view/)
* Function to get the intersection point of 2 linked lists(https://www.geeksforgeeks.org/write-a-function-to-get-the-intersection-point-of-two-linked-lists/)

4. Face to Face interview-3(Javascript, React, Redux) - Lasted for around 80-90 mins
* Event Bubbling, Event Capturing
* Asked to make given CSS design on Codepen
* Object.assign() and Object.seal()
* Questions on Prototypes
* Polyfill for Reduce function
* Discussion on React, Redux
* Asked to make a login gallery app using React and Redux and to handle errors through higher order component
* Blocking and Non-blocking API calls

5. Managerial Round - Lasted for around 50-60 mins
* Behavioral questions

Feedback- Lunch was provided, but time gap between each round was around 2 hours, so pretty much consumed the whole day.

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