Data Engineer Interview Experience - London, United Kingdom
Process
I went through four rounds of interviews. The system design questions went very well, however, I did get tripped up on a LeetCode-style coding question. I made it to the final round but unfortunately did not get the job.
The last round was a very awkward and intimidating interview with someone from China who gave me another coding question to answer. I found this part very awkward and cold.
Questions
System design question relating to social media and marketing.
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Interview Statistics
The following metrics were computed from 1 interview experience for the TikTok Data Engineer role in London, United Kingdom.
Success Rate
TikTok's interview process for their Data Engineer roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having mixed feelings for TikTok's Data Engineer interview process in London, United Kingdom.
TikTok Work Experiences
- 5.0Good Balance, High Security ConcernsData Engineer • Current EmployeeNew York, New York, United StatesOctober 23, 2025Pros: It’s good work-life balance.Cons: A lot of national security concerns.
- 1.011Data Engineer • Current EmployeeSan Jose, California, United StatesApril 14, 2024Pros: Good, free food; great cafeteria.Cons: Bad work-life balance, bad culture.
- 2.0Good Benefits, Bad Culture/WLBData Engineer • Current EmployeeSan Jose, California, United StatesAugust 30, 2024Pros: Lenient travel policy, nice SJ office, high visibility projects.Cons: Intense, almost exclusive collaboration with Asia teams. No support for personal growth.
TikTok Interview Questions
