The Voleon Group Data Scientist interview with about an hour and a half of live coding

The first interview centered on live coding, and that shaped how I approached the rest of the day. It wasn't a verbal question-and-answer session where I could rely on talking through concepts. I had to implement the work and reason through it in real time. The topics included data manipulation, EDA, and modeling. They were checking whether I could connect the statistics to the actual constructio…

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