I applied online. The process took 4 weeks. I interviewed at TikTok (San Jose, CA) in Jan 2025
Interview
A transaction wallet system requires careful design to ensure atomicity and consistency across multiple databases. Here's how to approach it:
Use a distributed transaction coordinator (DTC) or a saga pattern to maintain consistency between databases.
Interview questions [1]
Question 1
a hard Leetcode question. System design: design a wallet management system.
2 rounds coding a lot of background questions very strange behavior from interviewer camera was off and asked questions in mandarin, leetcode medium-hard and very very slow communication from recruiters based in asia for an english role
OA - 1 arrays Medium, 1 Trie Hard. I had 45 minutes to complete that. I was able to do the medium in about 15-20 minutes but I am not that great with trie ds so I was not able to finish.
I applied online. I interviewed at TikTok (Singapur) in Jun 2026
Interview
1 round of tech interview where i was asked basic tech questions and given a leetcode question to solve. total was around 1 hour. interviewer did not seem happy with my answer and time complexity.
