Netflix
Fewer puzzles, more judgement: architecture reviews, failure post-mortems, and blunt culture conversations.
- Active questions
- 3
- Rounds covered
- 3
- Last reviewed
- Aug 27, 2026
Reported questions
The full collection. Each entry shows how many independent reports it has and when it was last seen in a live loop.
- System designHardCorroborated · 3 reports
A single shard is taking 40% of writes
Your sharded datastore has one dominant key. Describe short-term mitigation you could ship today, then the re-sharding plan you would run over the next quarter without downtime.
Last seen Aug 14, 2026Study: System design → - BehaviouralMediumCorroborated · 8 reports
Describe a project where you were wrong
Walk through a technical decision you argued for that turned out badly. What was the earliest signal you missed, and what do you now do differently at that stage?
Last seen Aug 11, 2026Study: Behavioural and scope → - ML designHardCorroborated · 4 reports
Cut p99 serving latency in half
An inference service meets its p50 target but misses p99 by 3x. Walk through how you would diagnose it, then which of batching, caching, quantisation, or admission control you would reach for and why.
Last seen Aug 27, 2026Study: ML systems →
Interviewed at Netflix recently?
Corroborating a question takes reports from people who did not interview together. Adding yours is what keeps this collection from drifting out of date.