Paytm Software Development Engineer Interview Questions and Answers

Basic Oops MCQ and aptitude and one da

Q1. Basic dsa and project
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Q1. DSA and project related
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Q1. Explain the last technically challenging topic that you have worked on. The engineering manager is only interested in self boasting. Without even trying to understand the entire problem statement, they try...read more
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Q1. One leetcode easy-medium problem
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Q2. Java, springboot and oops question
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Q1. Project related questions
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Q2. System design questions
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You should be familiar with core java features. Collections, converting one collection Array / Vector to other. Removing duplicates. Lambda chaining / Functional programming. Basic SQL - Joins, Aggregates etc.

Q1. Explain Architecture of applications you worked on. Justify use of components. System Design questions.
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Arrays, LinkedList basic dsa questions

Q1. Binary Tree 2nd largest node
Ans. 
To find the 2nd largest node in a binary tree, we can perform an in-order traversal and keep track of the two largest nodes.
• Perform an in-order traversal of the binary tree

• Keep track of the two largest nodes encountered

• Return the second largest node when traversal is complete
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Q2. Basic web questions
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Q1. Questions on scenario based
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Q2. How would you handle challenges in your project
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