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ML Knowledge
2 years ago
Can you explain the contrast between bagging and boosting? And what effects do they have on bias and variance?
Machine Learning Engineer
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Optimizely

Deliveroo Logo

Deliveroo

Patreon Logo

Patreon

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2 years ago
ML Knowledge
2 years ago
What is the relationship between bias and variance in machine learning, and can you give an example of how this tradeoff can be observed in a model's performance?
Machine Learning Engineer
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Optimizely

Bloomberg Logo

Bloomberg

Pluralsight Logo

Pluralsight

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2 years ago
ML Knowledge
2 years ago
When it comes to hyperparameter tuning, there are two popular methods: grid search CV and random search CV. Can you discuss the differences between these two approaches?
Machine Learning Engineer
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Optimizely

Twitter Logo

Twitter

Rubrik Logo

Rubrik

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2 years ago
Coding
2 years ago
What would be your Python solution to generate the Fibonacci series up to n terms?
Machine Learning Engineer
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Optimizely

Quora Logo

Quora

Deliveroo Logo

Deliveroo

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2 years ago
ML Knowledge
2 years ago
Can you break down the concept and workflow of a Neural Network?
Machine Learning EngineerData Scientist
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Optimizely

Sendbird Logo

Sendbird

Snap Logo

Snap

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2 years ago
Coding
2 years ago
How would you code a function to determine the longest path in a Directed Acyclic Graph (DAG)?
Machine Learning EngineerData Scientist
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Optimizely

Samsara Logo

Samsara

Venmo Logo

Venmo

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2 years ago
System Design
2 years ago
Design a distributed task scheduler.
Machine Learning Engineer
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Optimizely

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2 years ago
ML Knowledge
2 years ago
In what ways do the K-means algorithm and the Expectation-Maximization (EM) algorithm differ?
Machine Learning Engineer
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Optimizely

Robinhood Logo

Robinhood

Pendo Logo

Pendo

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2 years ago
System Design
2 years ago
Develop a scalable distributed search engine.
Machine Learning Engineer
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Optimizely

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2 years ago
Product CaseML Case
2 years ago
What's your blueprint for a music recommendation system based on user listening habits, and which features of their listening history would you consider for suggestions?
Machine Learning Engineer
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Optimizely

Hootsuite Logo

Hootsuite

Addepar Logo

Addepar

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2 years ago

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

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