Uber | Confluent | Roller Coaster Job Search Journey | SDE 3

Round 1: Confluent

Questions:

1. Screening Round: Similar to validate Sudoku with some twist and follow-up.
2. DSA Medium.
3. DSA Medium - Hard: 2 questions.
4. Design Round: Standard Design.
5. Hiring manager round.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.

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Round 2: Bitgo

Questions:

1. DSA hard screening round: GitHub Link.
2. Hiring manager round.
3. HLD: Blockchain indexer.
4. LLD: Snake & Ladder.
5. Culture Fit.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.

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Round 3: Uber

Questions:

1. DSA Screening round: 2 Medium-Hard DP questions.
2. DSA Hard: Similar to calculator.
3. LLD: Scheduler.
4. Design: Zomato.
5. Hiring manager call: 1 hour 45 mins.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.

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Round 4: Coupang

Questions:

1. Total 3 problems:
   • DSA: Easy - find the biggest element with negative integer.
   • LLD: Breaker pattern to reduce load on our service.
   • DSA: Medium - max sum in contiguous array.
2. Past work discussion + HLD: Ad click aggregator.
3. Hiring Manager.
4. Another Hiring manager: Asked tough questions. Very senior folks with 20+ years of experience.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.

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Round 5: Stripe

Questions:

1. Screening DSA.
2. DSA.
3. Hiring manager round.
4. Bug Squash: They’ll give a code base to find bugs.
5. Design Round.
6. Integration Round: Integrate different APIs to achieve some outcomes.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.

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Rejections

Companies:

• Rippling: 2 DSA, 1 LLD, 1 HLD, 1 HM.

• Atlassian: 2 DSA, 1 SD, 1 HM.

• Coinbase: 2 DSA, 1 SD, 1 HM.

• Deliveroo:

  1. Take home assignment.
  2. Design Round: Give out 6 million burgers.
  3. Code round: extensions to assignment submitted.
  4. HM round.

  Very strange that I was rejected. My rounds were super great.

• Opendoor:

  1. Round 1 DSA: KV Store, KV Store with TTL, KV Store with commit rollback.
  2. LLD/DSA Excel Question: Implement Get, Set. With follow-up problem.
  3. System Design Round 1: Google calendar.
  4. Hiring Manager.
  5. System Design using graphDB.

  HR said I cleared all the rounds but didn’t get the offer due to "team fitment".

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.

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Companies Opted Out

• Docusign
• Agoda
• Prophecy.io
• Many more not disclosed.

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Preparation

1. 200+ LeetCode Medium+Hard.
2. 50+ System Design (Alex Xu, DDIA, YouTube, and more).
3. LLD: Job + Practice on own.
4. For concurrency, practiced heavily on my own. You can find top asked questions online.

Don't give up. Keep on working and you’ll hit your targets eventually. RESILIENCE is the key.

Do let me know if anyone has any questions.

Wish you the best of luck on your interview journey! 😄😄🤱🤱🧿