Process
After applying to the job, one month later I received an email about the Online Assessment. I was given 120 minutes for 4 questions. The platform used for the OA was HackerRank.
Questions
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Plus One. Similar to (https://leetcode.com/problems/plus-one/) Output in String format.
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Balance Parentheses. Almost the same as (https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/)
City Attractions (https://leetcode.com/discuss/interview-question/823105/city-attractions-citrix-oa-2020) TSP with a time window.
Closest pair of footballs in a football field (https://www.cs.cmu.edu/~ckingsf/bioinfo-lectures/closepoints.pdf)
1 easy, 1 medium, and 2 hard questions.
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Interview Statistics
The following metrics were computed from 1 interview experience for the TikTok Mobile Engineer role in Canada.
Success Rate
TikTok's interview process for their Mobile Engineer roles in Canada is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for TikTok's Mobile Engineer interview process in Canada.
TikTok Work Experiences
- 3.0Software Engineer at TikTokMobile Engineer • Current EmployeeSingapore, SingaporeAugust 16, 2025Pros: Competitive compensation, opportunities to learn new skills, and opportunities to go on business trips to collaborate with teams in other countries.Cons: Super fast-paced, high stress level at work. Often need to handle issues at night from home. Company benefits have been decreasing over the past year, where a lot of emphasis is placed on cost-cutting and churning out good metrics. May be hard to promote more than twice.
- 5.0Great Pay, Repetitive NightsQuality Assurance • Current EmployeeKuala Lumpur, Federal Territory of Kuala Lumpur, MalaysiaAugust 8, 2022Pros: Great environment and competitive pay.Cons: night shift and highly repetitive
- 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.
TikTok Interview Questions
