The interview included a case study focused on a specific operational challenge at DoorDash. I was asked to analyze the problem, identify key drivers, and provide actionable insights.
Sr Data Scientist Interview Questions
3,371 sr data scientist interview questions shared by candidates
Tech screen was 4 moderately complex SQL queries (30 min) and a product feature case study (30 min)
Business: How would you approach reducing order cancellations?
SQL: Write query to find order cancellation rate by day
increase delivery range how to determine the minimum detectable effect? urban vs rural? if the math tells us 2 days sample size is enough, will you only run experiment for 2 days?
4 SQL questions + Product Case Study
We discussed a number of things. e.g., some machine learning topics.
How would you explain regularization to a non-technical person?
Can you describe what a random forest is? What is the difference between ridge and lasso regression?
CNN , weight sharing between kernels
Viewing 2471 - 2480 interview questions
See Interview Questions for Similar Jobs
Jr Data ScientistData Scientist TraineeData Science EngineerSenior Machine Learning ScientistApplied Research ScientistSenior Data ScientistMachine Learning Research EngineerData Scientist NlpMachine Learning Research ScientistSenior Machine Learning EngineerData SciencesMachine Learning ScientistSoftware Engineer Machine Learning ScientistNlp Data ScientistResearch Scientist Computer VisionApplied ScientistSr. Data ScientistSenior Quantitative Researcher