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System Design
4 years ago
Design a system for handling payments in an e-commerce platform.
Machine Learning Engineer

Instacart

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4 years ago
ML Knowledge
4 years ago
How would you compare and contrast supervised, unsupervised, and reinforcement learning techniques?
Machine Learning Engineer

Instacart

TikTok

Grab

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4 years ago
ML Knowledge
4 years ago
In the field of machine learning, what do we mean by overfitting and underfitting? Why is it necessary to keep these phenomena in mind during model development?
Machine Learning Engineer

Instacart

HubSpot Logo

HubSpot

AppDynamics Logo

AppDynamics

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4 years ago
ML Knowledge
4 years ago
Can you elaborate on how gradient boost is used in machine learning and how it works?
Machine Learning Engineer

Instacart

Pluralsight Logo

Pluralsight

Elastic Logo

Elastic

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4 years ago
ML Knowledge
4 years ago
Can you walk me through the sequence of steps you take when performing ETL?
Machine Learning Engineer

Instacart

Snap Logo

Snap

Meetup Logo

Meetup

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4 years ago
Coding
4 years ago
Find the maximum sum path that goes through the root of a tree and return its sum.
Machine Learning Engineer

Instacart

Spotify Logo

Spotify

Roku Logo

Roku

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4 years ago
Metrics and Experimentation
4 years ago
Imagine you're building a metric to compare two user's Netflix recommended lists of movie/tv show preferences. What factors would you prioritize in the development process?
Machine Learning Engineer

Instacart

Apple Logo

Apple

Shopee Logo

Shopee

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4 years ago
ML Knowledge
4 years ago
What is your experience with using Rectified Linear Unit as an activation function and its impact on model accuracy?
Machine Learning Engineer

Instacart

Microsoft Logo

Microsoft

Roblox Logo

Roblox

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4 years ago
ML Knowledge
4 years ago
How would you describe the time complexity characteristic of SVM training? Can you describe the time complexity for the inference phase in SVMs? Can you compare the time complexities for training and inference in SVMs with linear and RBF kernels?
Machine Learning Engineer

Instacart

Mayo Clinic Logo

Mayo Clinic

ASML Logo

ASML

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4 years ago
ML Knowledge
5 years ago
The practice of cross-validation can help to determine the efficiency of a machine learning model. Are you familiar with this approach?
Machine Learning Engineer

Instacart

Netflix Logo

Netflix

Siemens Logo

Siemens

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5 years ago

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Instacart

Machine Learning Engineer

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System Design
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Instacart

Machine Learning Engineer

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ML System Design
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Instacart

Machine Learning Engineer

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Behavioral

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

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