Groww SDE3 Interview Experience

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groww
SDE III
April 21, 20252 reads

Summary

I interviewed for an SDE3 role at Groww in December 2024, successfully navigating through Machine Coding, HLD, LLD, HM, and HR rounds, ultimately receiving a hired verdict.

Full Experience

Hello All,
I gave Groww SDE3 interview in December 2024. Sharing the questions and process.

Round 1
Machine Coding

Duration - 2 hour
Question - Design a stock exchange platform. Buyers and sellers can place bids for stocks. Buyer can buy at an amount lower or equal to the bid. Seller can sell at an amount higher or equal to the bid.
Outcome - Expectation was to implement a working solution. I was able to implement it and demonstrate working on examples provided by the interviewer.
Verdict - Positive

Round 2
HLD

Duration - 1 hour
Question - Design a system to monetize an API-based service (e.g., Google Maps) with subscription plans. The system should:
1. Track incoming API calls per user.
2. Enforce usage limits based on subscription tiers.
3. Proactively notify users as they approach their usage limits.

Outcome - Was able to provide a near-satisfactory solution.
Verdict - Positive

Round 3
LLD

Duration - 1 hour
Question - Design system to create, store, update SIPs. Create and schedule transactions corresponding to the SIPs.
Outcome - Interviewer grilled a lot around some concepts like versioning, DB schema, concurrency. But finally, he seemed satisfied with the answers.
Verdict - Positive

Round 4
HM

Duration - 1 hour
Question - Standard HM questions around past project discussion, ideation to deployment cycle, behavioral questions.
Outcome - Interviewer was happy.
Verdict - Positive

Round 5
HR

Duration - 1 hour
Question - Standard HR questions.
Outcome - Interviewer was happy.
Verdict - Positive

Final verdict was hired.

Interview Questions (3)

Q1
Design Stock Exchange Platform
Data Structures & Algorithms

Design a stock exchange platform. Buyers and sellers can place bids for stocks. Buyer can buy at an amount lower or equal to the bid. Seller can sell at an amount higher or equal to the bid.

Q2
Design API Monetization System
System Design

Design a system to monetize an API-based service (e.g., Google Maps) with subscription plans. The system should:
1. Track incoming API calls per user.
2. Enforce usage limits based on subscription tiers.
3. Proactively notify users as they approach their usage limits.

Q3
Design SIP Management System
System Design

Design system to create, store, update SIPs. Create and schedule transactions corresponding to the SIPs.

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