TikTok Software Development Engineer In Test SDET interview questions
based on 23 ratings - Updated Feb 3, 2026
Averageinterview difficulty
Mixedinterview experience
How others got an interview
67%
Applied online
Applied online
20%
Employee referral
Employee referral
13%
Recruiter
Recruiter
Interview search
23 interviews
Viewing 1 - 5 of 23 Interviews
TikTok interviews FAQs
Software Development Engineer In Test SDET applicants have rated the interview process at TikTok with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 38.2% positive. This is according to Glassdoor user ratings.
Candidates applying for Software Development Engineer In Test SDET roles take an average of 21 days to get hired, when considering 2 user submitted interviews for this role. To compare, the hiring process at TikTok overall takes an average of 26 days.
Common stages of the interview process at TikTok as a Software Development Engineer In Test SDET according to 2 Glassdoor interviews include:
One on one interview: 100%
Here are the most commonly searched roles for interview reports -
I applied online. I interviewed at TikTok (San Jose, CA) in Apr 2025
Interview
Only attend first round with a simple self introduction, one Leet code question and one senario based question(give you an app and make you answer how to test). The recruiter is nice and friendly.
I applied through a recruiter. The process took 2 weeks. I interviewed at TikTok (Seattle, WA) in Dec 2025
Interview
I interviewed at TikTok online, after taking to recruiter,
First interview was in Mandarin
I can feel the interviewer was not very concentrate on the interview and no facial expression
Interview questions [1]
Question 1
1. most changeling project
2. how to test a ...
3. how to evaluate ..
4. leetcode easy problems *2
5. SQL problem
The interview process was smooth. OA + technical screen + HM. OA is a bit different from general leetcode but focused on testing. Technical screen is LeetCode easy/medium. HM round is chill but somehow the headcount is full so didn't get the job.