Technical Case study on Ad revenue
Sr Data Scientist Interview Questions
3,513 sr data scientist interview questions shared by candidates
Case study and SQL. Cannot disclose the details due to NDA.
LC medium, math questions, ML fundamentals, resume review. All reasonable questions, but last interviewer had a terrific style.
There is a great focus on statistics + Python code. An interview is behavioral
Interpret graphs, experiment result interpretation, etc.
How do you determine sample size? What statistical test did you run for A/B testing?
Data Science Problems (20 minutes) Feature Interactions (10-20 minutes) Scenario: You are given a large, sparse dataset representing user interactions with a complex system. The dataset includes user_id, feature_1 to feature_n (binary), and target_conversion (binary). Question: Develop an algorithm to adaptively discover and rank significant feature interactions, considering the sparsity and high dimensionality of the data. Example of strong interaction: device language and creative language.
Ab test evaluation
Business Case where we need to propose a solution for a problem using machine learning.
Use case on classical ML stuff
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