Stats and A/B test questions, SQL, stakeholder management...
Senior Data Scientist Interview Questions
3,368 senior data scientist interview questions shared by candidates
Tell me about your current role
Why do you like to change job?
Adaboost algorithm explanations, diff between other boosting algorithms.
There are two tables. The first table is 'RUN' and includes 'athleteID', 'RunID', 'RunDate', and 'RunTime'. The second table is 'Athlete' and includes 'AthleteID' and 'JoinDate' and 'Age'. Write a query that shows the percentage of athletes who participated in the program in April 2024, meaning they have records in Table 1. An athlete may have multiple records in Table 1, but they are unique in Table 2.
Questions were mostly on your data challenge, hypothesis testing (how you would set something up, etc) and Bayesian stat (how you set up a prior, etc). Again tech questions are not hard and they kept asking about if I would be comfortable working with customers or non-tech people.
Machine learning algorithms
Transformer architecture in details, bert model working, how to train custom LLMs
Fundamentals that a qualified data scientist should know
Given a fair and unfair coin, calculate the probability that if heads comes up 5 times in a row, you have the fair coin.
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