Netflix — Software Engineer ✅ Passed
Level: Unknown Level
Round: Full Journey · Type: Coding · Difficulty: 6/10 · Duration: 60 min · Interviewer: Unfriendly
Topics: Arrays, Data Structures, Algorithms, System Design, Object-Oriented Design, Concurrency, Linux, Caching, Data Structures, Concurrency, Queues, Hashmaps, Time-to-Live (TTL), Least Recently Used (LRU)
Location: Los Gatos, CA
Interview date: 2025-08-15
Summary
This is a summary of questions that are likely to be asked during SDE interview, hope they're helpful :)
- Array Deduplication I, II, III
- Merge Intervals
- Course Schedule
- Implement Linux jq command
- Weighted Cache
- Latency Tracker Class
- Movie History
- Blocking Queue
- Atomic Counter
- Concurrent Map with TTL & LRU Cleanup
- Framework for executing tasks with dependencies
Details
Preparation Tips & Key Takeaways
What I Learned
- It's important to have a solid understanding of basic data structures and algorithms.
- System design questions require a broad knowledge of different technologies and trade-offs.
Recommended Preparation
Coding Practice
- Practice array manipulation problems, focusing on deduplication and edge cases.
- Familiarize yourself with interval merging techniques.
- Review graph algorithms for scheduling problems.
System Design
- Study common caching strategies, such as weighted cache and LRU cache.
- Understand the basics of concurrency and how to implement thread-safe data structures.
- Practice designing classes for tracking latency and managing user history.
Resources I Recommend
- LeetCode for coding practice.
- System design resources for learning about different architectural patterns.
- Online documentation for Linux commands like jq.
Common Pitfalls to Avoid
- Not considering edge cases in array manipulation problems.
- Failing to handle concurrent access to data structures properly.
- Ignoring the time complexity of your solutions.
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