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ML Knowledge
2 years ago
How do you interpret an ROC curve and the area under it, known as AUC?
Data Scientist

DoorDash

Mailchimp

Microsoft

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2 years ago
SQL
2 years ago
Differentiate between left join, union and right join.
Data Scientist

DoorDash

Benchling

Illumina

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2 years ago
SQL
2 years ago
Is there a noticeable difference in execution time between subqueries and joining tables in terms of performance?
Data Scientist

DoorDash

trivago Logo

trivago

eToro Logo

eToro

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2 years ago
ML Knowledge
2 years ago
In the layers of a neural network, where is the vanishing gradient issue more likely to be observed: closer to the beginning or towards the end?
Data Scientist

DoorDash

VeriSign Logo

VeriSign

Viber Logo

Viber

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2 years ago
Behavioral
2 years ago
Tell me about an occasion when you disagreed with your boss.
Data ScientistData Engineering ManagerEngineering ManagerUX Designer

DoorDash

Pepperfry Logo

Pepperfry

Huawei Logo

Huawei

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2 years ago
Coding
2 years ago
Could you demonstrate how to process a minesweeper board array and output the mine counts for each cell?
Data ScientistMachine Learning Engineer

DoorDash

IBM Logo

IBM

Workday Logo

Workday

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2 years ago
Behavioral
2 years ago
What drew you to DoorDash?
Data Scientist

DoorDash

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2 years ago
ML Knowledge
2 years ago
What is your understanding of cross-validation, and why is it so valuable in the realm of machine learning?
Data Scientist

DoorDash

ZocDoc Logo

ZocDoc

Binance Logo

Binance

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2 years ago
ML Knowledge
2 years ago
What's your strategy to calculate the correlation between a binary and continuous variable?
Data Scientist

DoorDash

Figma Logo

Figma

Groupon Logo

Groupon

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2 years ago
Analytics CaseProduct Case
2 years ago
How do you find out average number of bookings for a given day. What factors do you think will play a crucial role?
Data Scientist

DoorDash

Zomato Logo

Zomato

SeatGeek Logo

SeatGeek

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2 years ago

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*All interview questions are submitted by recent DoorDash Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at DoorDash.

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