Process
Phone screen with recruiter.
Two coding interviews, one hour each.
One interview focused on iOS-specific questions (threading) and included a coding question: generating a 2D array. I tripped up on index logic.
The second interview involved a generic question about a challenging problem I solved, plus implementing a calculator. I didn't make much progress on the calculator.
Questions
One interview with iOS-specific questions (threading). Plus a coding question: generating a 2D array. I tripped up on index logic.
Second interview: generic question about a challenging problem I solved. Plus, implement a calculator. I didn't make much progress on the calculator.
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Interview Statistics
The following metrics were computed from 1 interview experience for the TikTok iOS Senior Engineer role in United States.
Success Rate
TikTok's interview process for their iOS Senior Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having mixed feelings for TikTok's iOS Senior Engineer interview process in United States.
TikTok Work Experiences
- 5.0Easy Platform, Busy HrSoftware Engineer(Internship) • Former EmployeeRemoteDecember 14, 2022Pros: A nice communication platform, and easy to use.Cons: Too many employees, and HR is too busy.
- 1.0Good Lunch, Bad PayQuality Assurance Specialist • Current EmployeeLondon, England, United KingdomMarch 27, 2025Pros: good lunch benefits office environmentCons: Low salaries, overwork, and negative performance reviews.
- 4.0Strong management but with high expectationsSoftware Engineer (SWE II) • Current EmployeeSingaporeOctober 2, 2026Pros: Management is strong. They are technical and they know what they are doing, but I just start up very fast, changing.Cons: There are high expectations. Stability cannot be there if you're expecting that you can work there for long years. It may not.
TikTok Interview Questions
