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ML Knowledge

3 years ago

What is your level of proficiency regarding the construction of a KNN classifier?

Machine Learning Engineer

Duolingo

Airtable

LogMeIn

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3 years ago

ML Knowledge

3 years ago

What are overfitting and underfitting in machine learning? Why are they crucial factors to consider when developing models?

Machine Learning Engineer

Duolingo

HubSpot

AppDynamics

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3 years ago

Statistics

3 years ago

Describe the process of creating an ROC curve given a set of predicted probabilities and true labels.

Machine Learning Engineer

Duolingo

Ally

Marqeta

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3 years ago

ML Knowledge

3 years ago

Could you discuss the dissimilarities between Ridge and Lasso?

Machine Learning Engineer

Duolingo

LogMeIn

Cloudera

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3 years ago

System Design

3 years ago

Design a system for managing a distributed graph database.

Machine Learning Engineer

Duolingo

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3 years ago

ML Knowledge

3 years ago

Could you elaborate on the various sampling techniques used in research?

Machine Learning Engineer

Duolingo

ZocDoc

Virta

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3 years ago

System Design

3 years ago

Build a real-time anomaly detection system for large-scale metrics.

Machine Learning Engineer

Duolingo

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3 years ago

ML Knowledge

3 years ago

How would you outline the backpropagation algorithm in the context of neural networks?

Machine Learning Engineer

Duolingo

Flexport

MongoDB

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3 years ago

ML Knowledge

4 years ago

Why do many machine learning practitioners choose to use LSTM? Can you also provide some examples of how you've leveraged it in your personal projects?

Machine Learning Engineer

Duolingo

Ancestry

Motorola Solutions

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4 years ago

Coding

4 years ago

Can you present a script to ascertain the longest palindromic sequence in a string?

Machine Learning EngineerData Scientist

Duolingo

Postmates

Shutterstock

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4 years ago

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^*All interview questions are submitted by recent Duolingo Machine Learning Engineer candidates, labelled and categorized by Prepfully, and then published after being verified by Machine Learning Engineers at Duolingo.

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