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ML Knowledge
3 years ago
What exactly is LSTM and why is it considered important in the realm of artificial intelligence? Have you used LSTM in your projects before?
Machine Learning Engineer

Walmart

Ancestry

Motorola Solutions

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3 years ago
System Design
3 years ago
Build a user-tailored content stream like Facebook's.
Machine Learning Engineer

Walmart

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3 years ago
Coding
3 years ago
Share with me your thought process on implementing the two sum problem using a hash table in O(n) time complexity.
Machine Learning Engineer

Walmart

Shopify Logo

Shopify

BuzzFeed Logo

BuzzFeed

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3 years ago
Coding
3 years ago
Could you create a function that receives two arrays and calculates the RMSE?
Machine Learning EngineerData Scientist

Walmart

Bloomberg Logo

Bloomberg

Wise Logo

Wise

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3 years ago
Coding
3 years ago
Your main responsibility is to generate 1000 normally distributed data points using R and Python, with a specified mean and variance value. Calculate summary statistics of the dataset and clarify their meaning. Create a density plot of the data in R and Python, as well.
Machine Learning Engineer

Walmart

Peek Logo

Peek

Bloomberg Logo

Bloomberg

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3 years ago
ML Knowledge
3 years ago
In what ways do CNNs and RNNs vary, particularly in how they process data?
Machine Learning Engineer

Walmart

Expedia Logo

Expedia

Samsara Logo

Samsara

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3 years ago
System Design
3 years ago
Design a messaging system like WhatsApp.
Machine Learning Engineer

Walmart

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3 years ago
System Design
3 years ago
How would you approach designing an experimentation system that minimizes performance impact on the main application?
Machine Learning Engineer

Walmart

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3 years ago
ML Knowledge
3 years ago
What are some of the real-world scenarios where overfitting or underfitting can be problematic for model performance and accuracy? Can you share some examples?
Machine Learning Engineer

Walmart

Fitbit Logo

Fitbit

Zillow Logo

Zillow

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3 years ago
System Design
3 years ago
Develop a cloud-based file storage system like Dropbox.
Machine Learning Engineer

Walmart

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3 years ago

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

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