User-h6uohJul 23, 2026

Netflix phone screen, TTL cache walkthrough

Hack2hire Community · 2026-07-23T15:00:00.171Z

Netflix phone screen, TTL cache walkthrough Phone screen was the timed cache problem, print or return a value but skip it if it already printed within the last N seconds. Straightforward until the follow-ups hit. Wanted a simple version first, then a cleanup version where get stays a hot path and eviction gets pushed off to a side process. Recruiter had reached out on LinkedIn for a general Ads org hire, so the interview matched that. Interviewer kept steering toward production concerns instead...

Interview Experiences

netflix

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Replies (4)

User-wni7cJul 23, 2026

did they push you on the crash recovery part too? that follow up seems like it can go a lot of directions

108

vikramreddy94 OPJul 23, 2026

yeah briefly, said something like a snapshot or WAL would work and they moved on pretty quick. felt like they just wanted to hear I was thinking about it

emilywu96Jul 23, 2026

wait they're still actively hiring for ads? thought there was a freeze going around

106

User-1i6vsJul 24, 2026

recruiter mentioned ads is kind of the exception right now, no idea how long that lasts honestly

ryanzhang8Jul 23, 2026

had a pretty similar phone screen a few months back, cleanup as a side process felt like the direction they wanted the whole time

User-gz3dhJul 24, 2026

good luck on VO, hope you hear back soon

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