Backend Engineer Interview Experience - Singapore, Singapore
Process
3 rounds of interviews.
First round: Interview questions related to:
- Projects discussion.
- Message brokers.
- Different types of concurrency handling.
- Locks.
- Data pipeline processing. The LeetCode question was fairly easy: reverse a binary tree.
Second round: Project further discussion, previous internship experience. Many network questions. OS questions: Mainly focused on memory management. 3 LeetCode questions: 1 hard, 1 medium, and 1 SQL.
Third round: Interview with HM. Discussed recommendation architecture. 1 long medium algorithm question.
Questions
Which lock will be more efficient: Spinlock or Mutex?
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Interview Statistics
The following metrics were computed from 12 interview experiences for the TikTok Backend Engineer role in Singapore, Singapore.
Success Rate
TikTok's interview process for their Backend Engineer roles in Singapore, Singapore is very selective, failing most engineers who go through it.
Experience Rating
Candidates reported having very good feelings for TikTok's Backend Engineer interview process in Singapore, Singapore.
TikTok Work Experiences
- 5.0Challenging Work, Skill GrowthBackend Engineer • Former EmployeeSydney, New South Wales, AustraliaMarch 4, 2025Pros: Not project-based, but rather real-world features and work. This can drastically improve your skills.Cons: High workload and challenging situation
- 4.0Good Pay, Steep Learning CurveBackend Engineer • Former EmployeeSingapore, SingaporeAugust 26, 2025Pros: Able to learn a lot. Pays well.Cons: Many things are abstracted away. Hard to promote.
- 2.0Comp is good, but management is chaoticBackend Engineer • Current EmployeeSan Jose, California, United StatesMay 8, 2024Pros: Comp is decent. WLB depends on team.Cons: Night meetings. Strict RTO policy. Constant reorgs. Office politics.
TikTok Interview Questions
