Info Edge Programmer Analyst Interview Questions and Answers

Q1. Explain Past Projects?
Ans. 
Developed a web-based inventory management system for a retail company.
• Utilized Java and Spring framework for backend development

• Implemented responsive design using HTML, CSS, and JavaScript

• Integrated with third-party APIs for payment processing

• Conducted testing and debugging to ensure system functionality
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Q2. How to optimize an Angular Project?
Ans. 
Optimizing an Angular project involves reducing bundle size, lazy loading modules, using AOT compilation, and optimizing performance.
• Reduce bundle size by removing unused code and dependencies

• Lazy load modules to only load components when needed

• Use Ahead-of-Time (AOT) compilation for faster rendering

• Optimize performance by minimizing DOM manipulation and using trackBy in ngFor loops
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Q3. Left join and right join
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Q4. System Designn for indiamart
Ans. 
System design for Indiamart involves creating a platform for businesses to connect with customers and each other.
• Design a scalable architecture to handle a large number of users and transactions.

• Implement features like search functionality, user profiles, messaging, reviews, and secure payment gateways.

• Utilize cloud services for storage, computing power, and scalability.

• Consider implementing a recommendation system to ...read more
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Q1. One coding question on the minimum difference of elements of the array
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Q2. Questions on 13 sections including or Core subjects, Computer fundamentals, Time complexities etc
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Two questions
1) First unique element of array
2) Two sum problem

There will be online coding test

Topics: data structures (arrays, stack, linked list, trees and dynamic programming)

Duration: 1 hr

Q1. Level order traversal
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Q2. Find indices of a pair which sum results = K
Ans. 
Given an array of integers, find the indices of a pair which sum results in K.
• Iterate through the array and for each element, check if K minus the element exists in the array using a hash table.

• If it exists, return the indices of both elements.

• If it doesn't exist, add the current element to the hash table.
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Q3. Find index of an element after rotating
Ans. 
Finding index of an element after rotating an array
• Determine the pivot point where the array was rotated

• Divide the array into two subarrays based on the pivot point

• Perform binary search on the appropriate subarray to find the index of the element

• Add the pivot point to the index to get the actual index of the element in the original array
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Q1. Tell me about yourself
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Q2. Be yourself and tell about something you love
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Q3. No more questions about this
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Q1. One coding question on the minimum difference of elements of the array
Add your answer
Q2. Questions on 13 sections including or Core subjects, Computer fundamentals, Time complexities etc
Add your answer

Two questions
1) First unique element of array
2) Two sum problem