Voleon·Data Scientist

Voleon Data Scientist interview experience

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New York, NYPosted May 2026 · Candidate report, summarized by Dataford

My interview kicked off with a first round that felt like two parts wrapped together.

They’d either provide a dataframe or ask me to do a simple join, then I had to run an EDA pass and perform an OLS regression in Python, focusing on things like p-values and R-squared. As I discussed results, the expectation was that I’d walk through the regression assumptions and residual-style checks, not just report numbers. The second half was more command-line oriented, and I had to be comfortable working in a Linux terminal environment with tools like grep, find, and awk. I also had to talk through what I was doing and why as I coded.

After that, the process included a more practical

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