Technical expertise
Senior Scientist Interview Questions
5,826 senior scientist interview questions shared by candidates
Where do you see yourself in five years time
Round 1: Conducted by a senior data scientist a) Live SQL Coding - given a case and 4 tables, I had to solve it using SQL (usage of joins, window functions etc.) b) Meta and Uber product related metric questions Round 2: Conducted by a product manager a) Metric cases b) A/B testing etc. Round 3: Conducted by a data scientist a) Stats, ML and probability questions b) Product case c) A/B Testing case Round 4: Hiring Manager Round a) Product questions b) Past experience Round 5: Bar Raiser from a Director a) Random behavioural questions
how to sample 100 values between 2 and 3 from standard normal distribution. how would you optimise it to have exactly 100 steps instead of a long accept/reject loop.
Interview had DSA question about simulating probability distributions
If orders growth started trending downwards how would you investigate?
How would you query for orders that have an hour delivery to order variance
What is regularization in machine learning?
Given a table named employees which contains columns employee_id, last_name, first_name, salary, department and another table, employees_projects, with columns employee_id and project_id, with a query to select the top two employees alphabetically per project, where alphabetically means ordered by last_name and then first_name.
How do you convince people?
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