Info Edge Senior Software Engineer Interview Questions and Answers for Experienced

Q1. Coding and behavioral questions
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It was a simple coding test.

There was a small coding problem involving oops concepts..

Q1. There was a simple System Design problem specifically URLShortener
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Q1. There was discussion about previous projects
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Q1. What are Microservices
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Microservices are a software architecture pattern where applications are built as a collection of small, loosely coupled services.
• Microservices are independent and autonomous services that communicate with each other through APIs.

• Each microservice is responsible for a specific business capability and can be developed, deployed, and scaled independently.

• Microservices promote flexibility, scalability, and resilience in s...read more
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Q1. What are SOAP APIs
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SOAP APIs are a protocol for exchanging structured information in web services using XML-based messages.
• SOAP stands for Simple Object Access Protocol

• It is a messaging protocol that allows programs running on different operating systems to communicate with each other

• SOAP APIs use XML to format the data being sent

• They are commonly used in enterprise-level applications for integrating different systems

• SOAP APIs provide a
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Q2. What are Rest APIs?
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REST APIs are a set of rules and protocols that allow different software applications to communicate and interact with each other over the internet.
• REST stands for Representational State Transfer

• REST APIs use HTTP methods like GET, POST, PUT, DELETE to perform operations on resources

• REST APIs are stateless, meaning each request from a client to a server contains all the necessary information

• REST APIs typically return d...read more
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Machine coding - design food ordering service,

Q1. Sort array having 0 , 1 and 2. do it in single pass
Ans. 
Use Dutch National Flag algorithm to sort array of 0s, 1s, and 2s in single pass.
• Initialize three pointers low = 0, mid = 0, high = n-1 where n is the length of the array.

• Iterate through the array and swap elements based on their values and positions.

• Example: Input array ['0', '1', '2', '0', '1', '2'] should be sorted as ['0', '0', '1', '1', '2', '2'].
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Q2. Given tree and list of nodes to be deleted. return all new trees created after the deletion
Ans. 
Return new trees after deleting specified nodes from a given tree
• Traverse the tree and delete nodes that match the given list

• For each deleted node, create a new tree with the remaining nodes

• Return all new trees created after deletion
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Q1. Design Restaurant management sytem
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Restaurant management system to streamline operations, orders, inventory, and customer service.
• Include features for table management, order processing, menu customization, inventory tracking, and customer feedback.

• Implement user roles for staff, managers, and administrators with varying levels of access and permissions.

• Integrate payment processing systems for seamless transactions and reporting.

• Utilize data analytics t...read more
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Q1. Discussed about projects in depth
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Q2. Question around redis, kafka and all
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Simple ds algo and knowledge of nodejs

Q1. Simple question about your previous job
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Q2. Previous salary and previous work exp
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Algorithm and database and datastructures

Language and basic understanding

Q1. Too much Negotiations
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Q2. Why this much of salary we give you
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Q1. Array concepts
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