Pickrr Technologies Private Limited for SDE-1 Backend Engineer
Round-1(Technical Interview): Firstly Interviewer asked me two puzzles, one was related with water jug problem(https://www.geeksforgeeks.org/two-water-jug-puzzle/) and other was cake cutting problem ( https://www.geeksforgeeks.org/puzzle-3-cuts-cut-round-cake-8-equal-pieces/ ).
- He then asked me DSA question to search-insert-position-of-k-in-a-sorted-array( https://www.geeksforgeeks.org/search-insert-position-of-k-in-a-sorted-array/ ). I solved it in linear time complexity.
- Then he asked me to solve same problem using binary search, I was able to solve it.
- Few questions related with REST APIs.
- He asked me about my college project. They were looking for Django profile and my project was also on the same. So he asked few questions about my project.
- Interviewer was impressed from my answers and after 2-3 days I got mail for the second round.
Result: I cleared this round.
- Interviewer gave me a DSA question to reverse a linkedList into k groups. It is a LeetCode hard question(https://leetcode.com/problems/reverse-nodes-in-k-group/). I was able to solve only partially.
- Then he asked me about OOPS concepts in detail.
- I was only able to solve DSA question partially and it took me around 45 min to solve it partially. After 4-5 days I got mail for the next round and I was quite happy and bit nervous for the next round.
Result: Cleared this round.
- Discussion about my project.
- BFS and DFS (theoretical questions)
- Top down and bottom up approach.
- 1-2 SQL questions.
- One DSA question to implement queue using stack.
- Some questions on OOPS.
Result: cleared this round too.
- It was a kind of discussion-type round.
- CTO was very cool. I came to know that he is also the co-founder of company.
- Asked me to introduce myself.
- Why should we hire you?
- Discussion about the tech stacks and vision of company.
- Salary Discussion etc.
- It was a great round too, CTO looked so motivated about the goals of company.
Result: Got offer letter from HR the very next day and accepted it too.