Technical Director applicants have rated the interview process at Roblox with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 47.2% positive. This is according to Glassdoor user ratings.
Candidates applying for Technical Director roles take an average of 28 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Roblox overall takes an average of 27 days.
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I applied through a recruiter. The process took 4 weeks. I interviewed at Roblox in Jul 2025
Interview
HR reached out to me. After the HR screening call, I had one round of HM interview, followed by four rounds of system designs interviews with different technical directors. The topics cover very diverse domains: LLD of Pub/sub system, game engine internals, machine learning system, and collaborative online editor.
Interview questions [1]
Question 1
Design a game engine that can handle millions of players online.