I applied online. The process took 1 week. I interviewed at Twilio in Aug 2019
Interview
Very standard interview process with coding and design question all along the way but still much more focused than those from similar Silicon Valley companies. The process is very fast and you must be ready for the questions, no point of last minute study.
Interview questions [1]
Question 1
Design of a distributed system and implementation of data structures and algorithms for common tasks in the computer science search and discovery literature.
It is great to hear that you had a positive interview experience with us. I hope you will consider us again for any future openings that might match your background.
Other Senior Software Engineer Interview Reviews for Twilio
Three-stage process: recruiter screening, a test task and on-site interview. Both test task and the on-site were simple and straightforward, with focus on practical skills. On-site included the prospective team lead, VP and a team lead from another team in the same location.
Interview questions [1]
Question 1
- What data structure would you use for variable-length phone number prefixes?
I applied online. I interviewed at Twilio in Jan 2025
Interview
Interviewed for the L2 role on the Channels team. I did the online assessment (~3 hours), passed it, then was notified saying they filled the role and were no longer considering me. No referral to another role either. Long story short, don't let this awful company waste your time.
2 algo problems (listed below), 1 easy SQL problem, 1 easy API data retrieval problem, and 2 trivial multiple choice problems.
Interview questions [2]
Question 1
Similar to LC1664 - Ways to Make a Fair Array except you don't need to count the number of ways to make it fair, you just have to find the 1 index to remove to make it fair.
If you google Hackerrank Approximate Matching you can find some material on it. Involves calculating a text score for substrings of a word based on a given prefix and suffix.
