Paytm Insider Software Development Engineer 1 Interview Questions and Answers

Q1. DSA and project related question. Java , Databases.
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Q1. Linked list question
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Q1. Low level system design
Ans. 
Low level system design involves designing the internal components and interactions of a software system.
• Focus on the detailed design of individual components and their interactions

• Consider performance, scalability, and efficiency of the system

• Think about data structures, algorithms, and memory management

• Examples: designing a file system, network protocol, or database engine
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Q1. Salary discussion
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Q2. Salary discussion, offer accepted
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It was a online 2 hour coding test tand had 3 questions to solve
Medium level problem of dsa

Q1. Question on graph and tree were there. Medium level dsa problem on leetcode
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Q1. React js question
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Q2. Problem solving easy questions
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Q1. Engineering manager round
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Q1. 3 Similar to leetcode problems: Difficulty level hard
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Q2. Explain the code that you wrote in detail.
Ans. 
The code I wrote is a function that sorts an array of integers in ascending order using bubble sort algorithm.
• The code starts by iterating through the array and comparing adjacent elements, swapping them if they are in the wrong order.

• This process is repeated until no more swaps are needed, indicating that the array is sorted.

• The time complexity of bubble sort is O(n^2) in the worst case scenario.

• Example: int[] arr = {
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Q1. Normal Java basics questions
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Q1. This was managerial round here knowledge about agile methods was discussed and normal coding question was asked
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Q1. Normal salary discussion
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There is two question :
One from Sliding window : medium
Another from Graph same as leetcode island problem : medium
Solved both within time limit

Q1. First Question is on binary tree finding ancestor
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Q2. Second one is DP finding max sum
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Q1. General Question: Introduction, some verbal question about project
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