Upstox Senior Software Engineer Interview Questions and Answers

Q1. Machine coding: Design in-memory document search
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Q1. HLD: Design a ad-click aggregation service
Ans. 
Design an ad-click aggregation service for tracking and analyzing ad clicks.
• Use a distributed system to handle high volume of ad click data

• Implement real-time processing for immediate insights on ad performance

• Utilize a database to store aggregated ad click data for reporting and analysis
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Normal DSA round from hacker rank

DSA round from hacker rank or leetcode

Q1. With hiring manager
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Q1. Low Level Design: How to do rate limiting for a platform serving 100K requests per second.
Ans. 
Implement rate limiting for a platform serving 100K requests per second.
• Use a token bucket algorithm to limit the rate of incoming requests.

• Set a maximum number of tokens in the bucket to control the rate.

• Refill the bucket at a constant rate to allow bursts of requests.

• Track the timestamp of the last request to enforce the rate limit.

• Consider using a distributed rate limiting system for scalability.

• Monitor and adjust t...read more
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Easy Medium questions

Q1. Asked to design Basic Facebook.
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Q1. Mostly cloud questions were asked
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Q2. What is Terraform? How does it implement?
Ans. 
Terraform is an open-source infrastructure as code software tool that allows you to define and provision infrastructure resources.
• Terraform uses a declarative language called HashiCorp Configuration Language (HCL) to define infrastructure resources.

• It supports multiple cloud providers such as AWS, Azure, Google Cloud, and more.

• Terraform creates a dependency graph of resources and applies changes in the correct order.

• It...read more
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Q3. Steps for Jenkins pipeline
Ans. 
Steps for Jenkins pipeline
• Create a Jenkinsfile with pipeline code

• Commit the Jenkinsfile to the repository

• Create a new pipeline job in Jenkins

• Configure the pipeline job to use the Jenkinsfile

• Run the pipeline job
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Q1. What is VPC? Explain in detailed?
Ans. 
VPC stands for Virtual Private Cloud. It is a virtual network dedicated to a user's AWS account.
• VPC allows users to launch AWS resources into a virtual network that they've defined.

• Users can define IP address ranges, subnets, and configure route tables, network gateways, and security settings.

• VPC provides users with complete control over their virtual networking environment.

• Users can also connect their VPC to their own...read more
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Q2. More of a general discussion
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Q1. Salary negotiation part
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