
Tesla technical phone screen interview
Round 2 of 6 · 7 questions reported
- Length
- 45 min
- Format
- 10 to 20 minutes on your background, then one compact coding, debugging or design task in CoderPad that must run
- They grade
- Runnable, concise, idiomatic code; memory use and edge cases on follow-up
Questions Tesla asks in this round 7
- Key-value store with nested transaction rollbackApr 2026 · rarely
- ML fundamentals deep dive for ML rolesJun 2026 · once
- Design a ticket booking systemMar 2026 · once
- Cache with expiry, priority and LRU evictionPossibly retired · once
- Distance to the nearest waypoint along a routePossibly retired · once
- Check an array is a permutation of 0 to n-1Possibly retired · once
- Rank vehicles by peer-to-peer update contributionPossibly retired · once
About the Tesla technical phone screen round
What does Tesla ask in the technical phone screen round?
The most asked: Key-value store with nested transaction rollback, ML fundamentals deep dive for ML roles and Design a ticket booking system. 7 questions reported in all.
How long is the Tesla technical phone screen round?
About 45 minutes.
What is the Tesla technical phone screen round like?
10 to 20 minutes on your background, then one compact coding, debugging or design task in CoderPad that must run. They grade: Runnable, concise, idiomatic code; memory use and edge cases on follow-up.