A technical interview assesses candidates' problem-solving skills, coding proficiency, and knowledge of algorithms and data structures. It often includes whiteboard coding, debugging exercises, and system design questions. Interviewers evaluate communication abilities, logical thinking, and mastery of relevant technologies. Preparation and practice are essential for success.
Interview questions [1]
Question 1
A: They asked me to implement a function that finds the longest substring without repeating characters in a given string. This required understanding of sliding window techniques and hash maps for efficient tracking of characters.
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.