Machine Learning Engineer Interview Experience - San Francisco, California
Process
Recruiter reached out.
Then a recruiter conversation.
They want to match you with a team before interviewing you, so I waited almost two weeks to get matched with a team.
After that was a phone screen (LeetCode medium).
For the onsite, there were:
- 2 ML design rounds
- 2 coding rounds
- A hiring manager round
It took almost a month to finish that off.
Questions
How to model a signal and use that to improve an ad ranking system.
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Interview Statistics
The following metrics were computed from 3 interview experiences for the TikTok Machine Learning Engineer role in San Francisco, California.
Success Rate
TikTok's interview process for their Machine Learning Engineer roles in San Francisco, California is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for TikTok's Machine Learning Engineer interview process in San Francisco, California.
TikTok Work Experiences
- 4.0Fast Growth, Poor CommunicationMachine Learning Engineer • Former EmployeeNovember 26, 2025Pros: Fast-paced company, grown fast.Cons: Excess cross-functional cooperation leads to low communication effectiveness.
- 5.0TikTok is not all bad. It’s highly team dependentMachine Learning Engineer • Current EmployeeSingapore, SingaporeNovember 14, 2025Pros: I love my team. I think at TikTok it is very, very team dependent. Some teams are horrible; some are really good. Generally, people are really smart, but some teams can have horrible work cultures, such as micromanaging your time or not respecting your off days, etc. I would say it all depends on your team. If you manage to get into a good team with a good leader, even if the work is tough, it's a lot more manageable.Cons: The pace is definitely fast, but a good team helps to make it better. My team works hard, but we also respect off days and weekends as much as we can.
- 4.0Overall acceptable, but expected poor WLBMachine Learning Engineer • Current EmployeeSingapore, SingaporeOctober 27, 2025Pros: quite a lot of challenges, and the colleagues are excellent.Cons: Need to work overtime very often and have meetings at night.
TikTok Interview Questions
