Site Reliability Engineer applicants have rated the interview process at TikTok with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 54% positive. To compare, the company-average is 37.3% positive. This is according to Glassdoor user ratings.
Candidates applying for Site Reliability Engineer roles take an average of 26 days to get hired, when considering 24 user submitted interviews for this role. To compare, the hiring process at TikTok overall takes an average of 30 days.
Common stages of the interview process at TikTok as a Site Reliability Engineer according to 24 Glassdoor interviews include:
One on one interview: 31%
Skills test: 24%
Phone interview: 20%
Background check: 11%
Personality test: 4%
Group panel interview: 4%
IQ intelligence test: 4%
Presentation: 2%
Here are the most commonly searched roles for interview reports -
I applied online. The process took 4 weeks. I interviewed at TikTok (Singapore) in Jun 2021
Interview
Applied through the TickTock careers page for the position in the Singapore office. And was contacted by the recruiter two months later.
Had three technical online interviews with the SRE engineers from the Shanghai office. All three interviews were very similar and covered the following topics:
1. Docker/Kubernetes/VMs
2 Networking, TCP/IP, HTTP/HTTPS
3. Processes and threads
3. Coding algorithm
Interview questions [1]
Question 1
Binary search
Some dynamic programing problem with substrings
Difference between VM and container?
How are layers created in Docker images?
Describe Kubernetes components (apiserver, scheduler, controller manager ..)
Describe the process of creating a new pod in Kubernetes (how the request goes through components)?
Describe the structure of the URL?
What is the OSI model?
How three had shake greeting and four shake termination works in TCP?
What are latency and throughput?
What is SRE?
1. Hacker rank - Standard leetcode questions that is around medium to hard standard
2. Tech Lead Interview - Test on linux OS on the different commands inclusive of networking and devops practices
3. Manager Interview
I applied online. The process took 2 weeks. I interviewed at TikTok in Sep 2025
Interview
The process includes two rounds:
Round 1 – 30 minutes of technical questions based on your resume, followed by 30 minutes of live coding on HackerRank.
Round 2 – 30-minute technical interview focusing on problem-solving and advanced concepts.
Interview questions [1]
Question 1
explain the work u did in your previous job in detail?
Got a Leetcode Hard about strings on my first round for an entry level role. Interviewer was nice and helped me debug my code and I went extremely over time but solved it in the end. Still in the process.
Interview questions [1]
Question 1
What technical challenge did you face and how did you solve it?