Chewy Software Engineer Interview Questions and Answers

Q1. Write a rest API which return employee data based on ID.
Ans. 
Create a REST API to retrieve employee data by ID
• Use a GET request to /employees/{id} endpoint

• Query the database for employee data based on the provided ID

• Return the employee data in JSON format
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Q1. General DSA question leetcode style
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Q1. Discussion on previous project
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3 leetcode hards, followed by some system design

Q1. How to design amazon
Ans. 
Designing Amazon involves creating a user-friendly e-commerce platform with a vast product selection, efficient search and recommendation algorithms, secure payment processing, and reliable delivery logistics.
• Develop a user-friendly interface for easy navigation and product search

• Implement recommendation algorithms based on user behavior and preferences

• Integrate secure payment processing systems to protect customer inf...read more
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Q2. How to invert 25 bst
Ans. 
To invert a binary search tree (BST), swap the left and right children of each node recursively.
• Start from the root node and recursively swap the left and right children of each node.

• Repeat this process for all nodes in the BST.

• The final result will be the inverted BST.
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Logical reasoning, Quantitative aptitude

Array,Strings,DSA concepts like searching algorithm

It was a machine coding round

Q1. Similar to the other question
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Q2. Give an array and an element sort the array with difference of that number to array elements
Ans. 
Sort an array of strings by the difference of a given element to each array element.
• Iterate through the array and calculate the absolute difference between the given element and each array element.

• Sort the array based on the calculated differences.

• Return the sorted array.
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3 questions easy-medium level leetcode problem I solved 2 completely and 3rd question partially (9/15 test cases passed) to move on to 2nd round

Q1. Implement an app similar to splitwise
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1. PEAK ELEMENT QUESTION.
2. COIN DENOMINATION