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Behavioral

6 months ago

Tell me about a time when your performance rating differed from what you expected.

Data ScientistFull Stack Software EngineerData AnalystData Engineering Manager

Deliveroo

Magic Leap

Proofpoint

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6 months ago

CodingStatistics

6 months ago

Given a function roll() that uniformly returns a double between 0 and 1 and a array/list of numbers of length N (no duplicates), create a function shuffle() that returns a permutation of equal probability

Data Scientist

Deliveroo

Udacity

Klarna

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6 months ago

Behavioral

6 months ago

I want to hear a story about a time you led a team.

Data ScientistUX ResearcherEngineering ManagerUX Designer

Deliveroo

PagerDuty

ChannelAdvisor

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6 months ago

Statistics

6 months ago

What assumptions are necessary for estimating the probability of ordering a ride, and how would you determine this probability? Furthermore, how would you construct a confidence interval for this estimation?

Data Scientist

Deliveroo

Riot Games

N26

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6 months ago

Statistics

6 months ago

Let's discuss the terms type I and type II errors when assessing a hypothesis. Which one, in your opinion, is the more severe mistake?

Data Scientist

Deliveroo

Scribd

DataRobot

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6 months ago

ML Knowledge

6 months ago

What kind of machine learning architectures have you had exposure to?

Data Scientist

Deliveroo

Huawei

Affirm

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6 months ago

Analytics Case

6 months ago

How do you identify possible roadblocks and optimize your user retention strategy?

Data Scientist

Deliveroo

Instacart

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6 months ago

Statistics

6 months ago

How do you evaluate whether a Gaussian mixture model is appropriate for a particular data set?

Data Scientist

Deliveroo

CrowdStrike

Ticketmaster

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6 months ago

Coding

6 months ago

How can you manually calculate the length of a sorted list with -1 as an out-of-range signal, avoiding the use of built-in commands?

Data Scientist

Deliveroo

Springboard

Faire

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6 months ago

Statistics

6 months ago

How much larger does your sample size need to be to reduce the margin of error from 3 to 0.3, given that your current sample size is n?

Data Scientist

Deliveroo

TikTok

Palo Alto Networks

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6 months ago

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

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