Paytm Software Development Engineer 1 Interview Questions and Answers

Write code for advance surrying in js

Implement custom hook for api call

Q1. Basic questions arounf my previous work
Add your answer
Q2. Technical questions around performance and code optimization
Add your answer

Q1. One leetcode easy-medium problem
Add your answer
Q2. Java, springboot and oops question
Add your answer

Q1. Project related questions
Add your answer
Q2. System design questions
Add your answer

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.
Add your answer

Maths,quant for 1 hour duration

Arrays, strings, linked list, palindrome

Q1. Basic oops, .net, c# coding, sql questions
Add your answer

Q1. More coding and details on project
Add your answer

Q1. More on projects and system design and troubleshooting approach
Add your answer

Q1. Salary discussion
Add your answer

Q1. More technical + managerial round even after HR round
Add your answer

Q1. Basic Java questions
Add your answer

Q1. Tell me about yourself and about previous organisation.
Ans. 
I am a software developer with 5 years of experience. I previously worked at XYZ Company as a full-stack developer.
• 5 years of experience in software development

• Previous role as a full-stack developer at XYZ Company

• Proficient in programming languages such as Java, Python, and JavaScript
Answered by AI
Add your answer
Q2. Basic technical questions about the framework and the specific language.
Add your answer

Q1. More technical questions
Add your answer

SQL and coding questions

Q1. Salary negotiation
Add your answer

Q1. What is dependency injection and inversion principle
Ans. 
Dependency injection is a design pattern that allows objects to receive dependencies rather than creating them internally.
• Dependency injection is a way to achieve loose coupling between objects.

• It allows for easier testing and maintenance of code.

• Inversion principle states that high-level modules should not depend on low-level modules, but both should depend on abstractions.

• This principle helps to achieve a more flexib...read more
Answered by AI
Add your answer
Q2. Program to find missing number in array
Ans. 
Program to find missing number in array
• Iterate through the array and calculate the sum of all elements

• Calculate the sum of all numbers from 1 to n (where n is the length of the array)

• Subtract the sum of array elements from the sum of all numbers to get the missing number
Answered by AI
Add your answer