Module 5 
Practice interviewer
Practice interviewerThe machine coding round
Every experienced-hire loop at Flipkart, PhonePe and Razorpay in the sample includes this round or an LLD round. It's graded on working, demo-able, extensible code in 90 minutes, then defended in a review.
- Lessons
- 7 · 1 h 42 min
- Problems
- 35
- Getting started
- Optional
- SDE-1
- Core
- SDE-2
- Core
- Plan
- Complete
Lessons
- 1What the grader scores15 min
- 2The 90 minute plan15 min
- 3A skeleton you can type from memory20 min
- 4Driver programs, command parsing and tests without a framework15 min
- 5Surviving the review call15 min
- 6Language notes12 min
- 7AI-allowed rounds10 min
Part of Oni. See plans →
Problems
- Not started Splitwise Machine coding Difficulty 3 of 5 90 min Razorpay, Swiggy
- Not started Buy now, pay later Machine coding Difficulty 3 of 5 90 min Flipkart
- Not started Restaurant order router Machine coding Difficulty 3 of 5 90 min Flipkart
- Not started Quick commerce dispatch Machine coding Difficulty 3 of 5 90 min Flipkart
- Not started Transaction issue resolution desk Machine coding Difficulty 3 of 5 90 min PhonePe
- Not started Hackathon platform Machine coding Difficulty 3 of 5 90 min PhonePe
- Not started App version rollout manager Machine coding Difficulty 3 of 5 90 min PhonePe
- Not started Payment gateway Machine coding Difficulty 4 of 5 90 min PhonePe
- Not started Prepaid wallet with offers Machine coding Difficulty 2 of 5 90 min PhonePe
- Not started In-memory search engine Machine coding Difficulty 3 of 5 90 min Razorpay
- Not started Pub-sub queue Machine coding Difficulty 4 of 5 90 min Razorpay
- Not started Quick commerce inventory with holds Machine coding Difficulty 4 of 5 90 min Swiggy, PhonePe
- Not started Movie review platform Machine coding Difficulty 2 of 5 90 min Flipkart
- Not started Phonebook Machine coding Difficulty 2 of 5 90 min Flipkart
- Not started Task tracker Machine coding Difficulty 2 of 5 90 min PhonePe, Flipkart
- Not started Q&A forum Machine coding Difficulty 3 of 5 90 min Flipkart
- Not started Social feed Machine coding Difficulty 3 of 5 90 min Gojek, Flipkart
- Not started Loyalty coin auction Machine coding Difficulty 3 of 5 90 min Flipkart
- Not started Stock exchange order book Machine coding Difficulty 4 of 5 90 min Flipkart
- Not started EMI loan calculator Machine coding Difficulty 2 of 5 90 min Razorpay
- Not started Survey service Machine coding Difficulty 2 of 5 90 min Razorpay
- Not started Versioned document store Machine coding Difficulty 3 of 5 90 min Razorpay, PhonePe
- Not started Ad serving engine Machine coding Difficulty 4 of 5 90 min PhonePe
- Not started Photo sharing app Machine coding Difficulty 2 of 5 90 min Razorpay
- Not started Bowling alley scorer Machine coding Difficulty 2 of 5 90 min Flipkart
- Not started Snakes and ladders Machine coding Difficulty 2 of 5 90 min Swiggy Instamart, PhonePe
- Not started Server resource allocator Machine coding Difficulty 4 of 5 90 min PhonePe
- Not started Git-like version control Machine coding Difficulty 5 of 5 120 min Razorpay
- Not started In-memory key-value store with transactions Machine coding Difficulty 5 of 5 90 min Razorpay
- Not started Snake game Code design Difficulty 3 of 5 60 min Atlassian
- Not started Rate limiter Code design Difficulty 3 of 5 60 min Zomato, Razorpay +2
- Not started Court booking Code design Difficulty 3 of 5 60 min Atlassian
- Not started Agent rating aggregator Code design Difficulty 2 of 5 60 min Atlassian
- Not started Ranked-choice vote counter Code design Difficulty 2 of 5 60 min Atlassian
- Not started URL router Code design Difficulty 3 of 5 60 min Atlassian