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Coding

2 years ago

How do you compute the longest continuous substring with all unique characters in a string?

Data Scientist

Roblox

Amgen

Segment

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2 years ago

Coding

2 years ago

What is your process for calculating the maximum sum that can be obtained from a subsequence of numbers?

Data Scientist

Roblox

Benchling

Marqeta

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2 years ago

Statistics

2 years ago

Could you elaborate on some of the reasons that could be responsible for the discrepancy between the control and variant groups in an A/B test?

Data Scientist

Roblox

Riot Games

trivago

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2 years ago

Coding

2 years ago

Could you devise a method to flip a string's characters?

Data ScientistMachine Learning Engineer

Roblox

Yext

Snowflake

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2 years ago

Behavioral

2 years ago

Please describe a conflict with your manager.

Data ScientistData Science ManagerTechnical Program ManagerEngineering Manager

Roblox

LiveRamp

Nutanix

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2 years ago

CodingStatistics

2 years ago

What are percentiles, and how would you go about computing the nth percentile of a dataset? Could you write the code for it?

Data Scientist

Roblox

SeatGeek

Square

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2 years ago

ML Case

2 years ago

How would you architect a model to proficiently discern objects present in a single frame?

Data Scientist

Roblox

Yandex

WeWork

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2 years ago

Coding

2 years ago

Given an array of integers, how would you go about identifying the subarray of length k with the highest possible sum?

Data Scientist

Roblox

Redfin

Shutterstock

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2 years ago

ML CaseML Knowledge

2 years ago

Can you outline the stages of implementing a machine learning model into a production environment?

Data Scientist

Roblox

ByteDance

McAfee

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2 years ago

ML Knowledge

2 years ago

What is log loss?

Data ScientistMachine Learning Engineer

Roblox

Grubhub

Roku

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2 years ago

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

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