Machine Learning Engineer Interview Experience - London, United Kingdom
Process
I applied online and was then contacted via email. I was asked to set up an initial call with HR, where they inquired about my prior experience.
This was then followed by a coding interview with a member of the Machine Learning team.
Questions
The coding interview revolved around a Python list sorting question, in typical LeetCode style.
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Interview Statistics
The following metrics were computed from 7 interview experiences for the TikTok Machine Learning Engineer role in London, United Kingdom.
Success Rate
TikTok's interview process for their Machine Learning Engineer roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very negative feelings for TikTok's Machine Learning Engineer interview process in London, United Kingdom.
TikTok Work Experiences
- 5.0Great Pay, Long HoursMachine Learning Engineer • Current EmployeeBellevue, Washington, United StatesMarch 6, 2025Pros: High salary with a lot of perks.Cons: Working hours are too long.
- 4.0Hate the 4 days RTO. Others are okayMachine Learning Engineer • Current EmployeeSydney, New South Wales, AustraliaJune 27, 2025Pros: intelligent fellows, so that everything works smoothly.Cons: Have to be 4 days RTO.
- 5.0Great Tech, Math HeavyMachine Learning Engineer • Current EmployeeSan Jose, California, United StatesOctober 20, 2025Pros: The team is excellent, with a very modern tech stack. Candidates are expected to have strong data sensitivity and the ability to perform both online and offline data analysis and reasoning across the entire data and model pipeline. Of course, coding requirements are also high, especially for high-performance systems such as those built in C++.Cons: Of course, a large part of the work involves solving problems through data analysis and modeling them using appropriate statistical and mathematical methods. Therefore, if someone is uncomfortable with mathematics, this role may not be a good fit.
TikTok Interview Questions
