Interview Exp

I applied on JPMC careers website for various job roles SWE 2/3 and received an OA test for one of the applied job.

Round 1 OA:

Hacker Rank Test. Leetcode Easy/Medium Question. There were 2 Questions asked (Stack based qstn and DP question)

Then I got a call from the recruiter for Scheduling of my Super Day interviews (basically all the 3 rounds will happen on single day back to back)

Virtual Interviews (Super Day):

Round 2 (DSA) :

1.Was given A Pull Request to analyze and give comments on what could be improved. (shared my thoughts with interviewer around hardcoding of values that could be put in resources file, hashing of passwords instead of plain use, design patterns that could be followed etc)
2.Given a Medium level DSA question of arrays (revolved around sorting and filtering and searching the array)
3.Was told to rewrite the solution using java streams
4.Everything was done on HackerRank Code Pair link

Round 3 (HLD):

This round focused mainly on system design concepts and questions around scalability, consistency, availability, Sharding, Distributed Systems/ caching, SQL DB etc.

Was given task to design Payment System (Explained everything in detail from Requirements, DB Schema, Estimations, HLD Design, further optimizations)
Everything was done on HackerRank Code Pair link

Round 4 (HM Round):

This round mainly focused on my previous work, tech stack and resume based in depth questions on my projects done and a set of standard behavioural questions.

Status: 3 yrs Exp
Good luck everyone!