TripJack | Lead Engineer | Delhi
Summary
I interviewed for a Lead Engineer position at TripJack in Delhi, which involved three rounds covering data structures, algorithms, Java, AWS, SOLID principles, and system design. Unfortunately, I was rejected after the CTO round.
Full Experience
Round 1: Taken by interviewvector.
Questions asked included kth largest no. in an array, a lot of java questions. Questions on AWS. Solid principles. A few behavioural questions as well to my surprise.
Round 2: Taken by Engg Manager
RainWater trap problem and another sliding window problem of medium difficulty
Round 3: CTO
Design a message queue for 1 billion events/sec. Not HLD but LLD mainly.
Person was very rigid, hardly receptive to my arguments. Would start using Hindi randomly whenver he wished.
Verdict: Rejected.
Interview Questions (3)
Kth Largest Number in an Array
I was asked to find the Kth largest number in an array.
Trapping Rain Water
I was asked the 'Trapping Rain Water' problem.
Design a Message Queue
I had to design a message queue capable of handling 1 billion events per second. The focus was primarily on Low-Level Design (LLD) rather than High-Level Design.