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OCI | SMTS | 6 Years | Reject

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Experience: 6 Years
Education: BTech NIT
Prior Experience: MNC

Tech Screen Round : Questions around past experience and projects.
https://leetcode.com/problems/word-break/description/

Onsite Rounds

Round 1: https://www.geeksforgeeks.org/palindrome-by-swapping-only-one-character/
https://leetcode.com/problems/house-robber/submissions/
Gave optimal working solutions for both.

Round 2: https://leetcode.com/problems/group-anagrams/ Coded optimal working solution.
Task Management Service HLD + LLD. Questions around class structure, different components that will be there.

Round 3: Bar Tender. Questions around OCI leadership principles.

Round 4: HM. HLD for Events broadcast service via multiple channels (sms, mails, push notifications etc). A lot of emphasis on how the events will be put into queue and how will they be consumed.
Discussion on projects, OAutth, CI/CD, Monitoring, metrics, some questions around DB.

Got the feedback that they will have one more round around Design.

Round 5: HLD of Resource inventory service for a cloud provider. Questions around DB schema, search capabilities, sharding decisions, VPC, subnets.
Got stuck at a couple of places and overall round was average but was still expecting to make it through.

Verdict: Rejected

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