Drive date: 18th Feb 2024
Verdict: selected
Current: working as a Software engineer 1 at HashedIn
Round 1 Online assessment on Codility platform
No of problems - 3 DSA-based questions Q1 : easy, based on array and sorting
Q2: Hard, based on graph
Q3: Medium based on DP Assessment duration: 1hr 30 minutes
Round 2: Technical Interview 1
Started with DSA questions
Q1. Buy stock span problem
Q2. Implement a stack using the LinkedIn list
Q3. Kth largest no. in an array, I used min heap queue for this so he asked why I took this approach and how internally heapify works.
Then shifts to DBMS concepts and SQL queries
Interview duration: 45 minutes
Round 3: Technical Interview 2
Started with questions from AWS (it was mentioned in my resume)
Then asked to design database of IRCTC that includes all tables, their attributes and their relationships among them, asked to optimise it further.
Proceeds with 2 DSA questions
Q1. Simple array question involves swapping (easy)
Q2. Trapping Rain water problem (leetcode Hard) (Monotonic stack, DP)
Interview duration: 1hr 20 minutes
Round 4: HR/Fitment round
Behavioural questions, family background, preferred location, previous internship experience (if any). I would it was just a fun round. Follow up questions were there for tech problems, so choose your words wisely and be confident.