Voleon Group Data Scientist Machine Learning Interview Questions
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4 Questions 1 Company
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Voleon Group
Hard
Data ScientistDesign and diagnose a regression pipeline
CLV_90 Prediction Pipeline under Zero-Inflation, Heavy Tails, and Multicollinearity Context You need to predict 90-day customer value (CLV_90) at the ...
Machine Learning
0
0
Oct 13, 2025
Voleon Group
Hard
Data ScientistBuild a regularized regression pipeline
Technical Screen: End‑to‑End Signup Prediction with scikit‑learn Context You are given a cleaned tabular dataset with marketing and product metrics. Y...
Machine Learning
0
0
Oct 13, 2025
Voleon Group
Medium
Data ScientistDescribe Your Machine Learning Project Experience
Machine Learning Experience: Walk Through a Project Context You are interviewing for a Data Scientist role. In an HR screen, you’re asked to concisely...
Machine Learning
0
0
Aug 4, 2025
Voleon Group
Medium
Data ScientistFit Linear Regression: Analyze Economic Impact of Coefficients
Scenario You are given a tabular financial dataset df where the column target is the dependent variable (e.g., next-period return or excess return), a...
Machine Learning
0
0
Aug 4, 2025