I applied through a recruiter. The process took 1 week. I interviewed at Roblox (San Mateo, CA) in Sep 2018
Interview
Contacted by recruiter on linkedin, quick introduction call and then phone screen was setup with their providers who do screens for them. Phone screen was a bit of chatting about previous experience and then some url parsing code challenge.
I did solve the challenge in a given time, but was not using the trie data structure which interviewer probably expected me to use. So probably my solution was sub-optimal. Despite that I think I did goof enough to move to onsite.
So since I wasnt contacted by them after phone screen and since they didnt return my followup email I conclude that Roblox is disrespectful towards candidates. It takes so little to let a person know about the decision, yet we have such an attitude. Sad.
Interview questions [1]
Question 1
Parse array of urls into chunks and organize for further lookup.
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Other Senior Software Engineer Interview Reviews for Roblox
Reach out by recruiter, set up phone screen interview. 60 min coding interview. A leetcode style question with 3 follow up , overall experience is good got reject 2 weeks afterward.
The phone screen was surprisingly technical and lasted about 45 minutes, diving straight into system design. I was asked to design a leaderboard service, which caught me off guard at first. But as I started to outline my approach, I realized it was similar to a challenge I’d practiced on prachub.com just days before. The subsequent technical rounds were intense, focusing on DSA problems and scalability issues. In the end, I got an offer that I happily accepted, despite the difficulties I faced throughout the process.
Interview questions [1]
Question 1
Design a leaderboard service that supports tens of millions of concurrent players. Cover top-K queries, neighbor-rank queries, partial sharding, and consistency tradeoffs.
Reached out by HR and chatted with a hiring manager. Mostly Behavioral questions such as why you want to work at roblox. The conversation was great and smooth. But they rejected me after a few days.
