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Coding
9 months ago
Which element in the array occupies the 18th largest position in terms of value?
Machine Learning Engineer

Cognizant

Andela

Plaid

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9 months ago
System Design
10 months ago
Build a high-throughput rate-limiting service for distributed applications.
Machine Learning Engineer

Cognizant

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10 months ago
Coding
a year ago
How would you write a program that discerns the longest palindrome contained in a given string?
Machine Learning EngineerData Scientist

Cognizant

Postmates Logo

Postmates

Shutterstock Logo

Shutterstock

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a year ago
ML Knowledge
a year ago
Why is it necessary to use regularization methods in machine learning?
Machine Learning Engineer

Cognizant

AT&T Logo

AT&T

Zalando Logo

Zalando

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a year ago
ML Knowledge
a year ago
Given that you have labels for your clustering problem, what steps would you take to assess the performance of the model?
Machine Learning Engineer

Cognizant

Livongo Logo

Livongo

Snowflake Logo

Snowflake

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a year ago
ML Knowledge
a year ago
I'm interested in your experience using cross-validation to assess the effectiveness of a machine learning model.
Machine Learning Engineer

Cognizant

Netflix Logo

Netflix

Siemens Logo

Siemens

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a year ago
ML Knowledge
a year ago
How do you tackle the issue of high cardinality within categorical data fields?
Machine Learning Engineer

Cognizant

Huawei Logo

Huawei

Adobe Logo

Adobe

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a year ago
System Design
a year ago
Create a customer service ticketing system for large-scale operations.
Machine Learning Engineer

Cognizant

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a year ago
ML Knowledge
a year 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

Cognizant

Mayo Clinic Logo

Mayo Clinic

ASML Logo

ASML

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a year ago
Coding
a year ago
Could you outline an algorithm for detecting the longest strictly increasing subarray via dynamic programming?
Machine Learning Engineer

Cognizant

Chime Logo

Chime

Stripe Logo

Stripe

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a year ago

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

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