Trexquant Investment Data Scientist interview with ML, DSA, and onsite superday

My interview process started when HR reached out. I then completed an online assessment covering ML and DSA style material, followed by a technical question round with one or two LeetCode problems in the medium to hard range. I expected more direct data science or machine learning questions, but those topics didn't really come up beyond the assessment. The next stage was an onsite superday. It we…

Shared by a candidate · reported Feb 2026. Interview formats change; use it as a guide, not a script.