I applied online. I interviewed at Roblox (Amherst, MA) in Nov 2021
Interview
First round CodeSignal. 17 questions, 2 simple Python data manipulation, SQL queries qs, Python ML implementation, SQL + Math + Probability + ML multiple choices. If you are like me (Junior in Math), besides Python and SQL skills, you should review some Math + Probability + Stats before taking the assessment.
Interview questions [1]
Question 1
First round CodeSignal. 17 questions, 2 simple Python data manipulation, SQL queries qs, Python ML implementation, SQL + Math + Probability + ML multiple choices. If you are like me (Junior in Math), besides Python and SQL skills, you should review some Math + Probability + Stats before taking the assessment.
First was Online Assessment in 3 parts 1 and 2nd were problem solving and 3rd was behavorial questions and then call with recruiter about my background and description about the role
Interview questions [1]
Question 1
Asked basic technical questions about python and SQL and where have i used them
The interview has 3 rounds. Round 0 is HR interview, Round 1 is technical interview, Round 2 is portfolio presentation and Round 3 is Behavioral interview with team leader.
The technical interview lasts about 1hr. They asked 3 Leetcode questions and 3 theoretical questions.
I applied online. The process took 2 weeks. I interviewed at Roblox in Nov 2025
Interview
OA has 4 sections. Two game puzzles one about building a robot and another about optimizing a factory. Then one about behavioral. 4th is just coding 4 different probability and statistics questions.
Interview questions [1]
Question 1
One of the coding questions was about coding a basic bayesian probability problem and another was about to basically write basic logistical regression.