Backend Engineer · Full Journey · Multiple Types

Meta — Backend Engineer ✅ Passed

Level: Senior-Level

Round: Full Journey · Type: Multiple Types · Difficulty: 5/10 · Duration: 240 min · Interviewer: Unfriendly

Topics: AI Coding, Fixing Bugs, Adding Features, Maze Traversal, Top K, Behavioral Questions, Conflict Resolution, System Design

Location: Menlo Park, CA

Interview date: 2025-12-15

Summary

Round 1: AI Coding

Question: I was given a maze problem with four parts, requiring bug fixes and adding new features incrementally. I explained my understanding and used AI to help with specific tasks.

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Round 2: Coding

Question: These are frequently asked interview questions, LeetCode 54 and a string processing question.

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Round 3: System Design

Question: Design a system to find the top K elements.

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Round 4: Behavioral (BQ)

Question: I was asked about conflicts, difficult relationships, and instances where I couldn't ship on time.

Details

Preparation Tips & Key Takeaways

What I Learned

• The AI coding round focuses on understanding code and explaining the role of AI in the process.
• Prioritizing high-frequency questions and system design is crucial for preparation.

Recommended Preparation

Coding Practice

• Practice common LeetCode problems like LeetCode 54.
• Focus on problems that involve fixing bugs and adding features.

System Design

• Study how to design a system to find the top K elements efficiently.

Behavioral Questions

• Prepare STAR stories for conflict resolution and handling difficult relationships.
• Practice discussing situations where deadlines were missed and how they were addressed.

Resources I Recommend

• HelloInterview was particularly useful.

Common Pitfalls to Avoid

• Not understanding the code provided in the AI coding round.
• Failing to clearly articulate the role and impact of AI in the proposed solution.

LeetCode similar: LeetCode 54