Johnson & Johnson Senior Scientist Interview Questions and Answers

2 leetcode easy questions were asked

Data science case study

Q1. Why would you join us
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Q1. Case study and skills
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Q1. Perform in lab to proove your self
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Q1. Random forest splitting mechanisms details
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Random forest uses decision trees to split data into subsets based on feature importance.
• Random forest builds multiple decision trees and selects the best split based on feature importance.

• Each decision tree splits data into subsets based on a randomly selected subset of features.

• The best split is determined by minimizing impurity or maximizing information gain.

• Random forest can handle missing values and outliers.

• Rando...read more
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Q2. ResNet architecture and skip connection related questions
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Q1. OCR related bounding box detection from image
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Q2. Deep learning based questions and details
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Q1. Salary discussion, current salary and expected
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Q2. About Optum, why you want to join
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Aptitude test involving coding

Q1. Questions on Data science related
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Q1. Basic details round
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Q1. Basics of regression, bias variance
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