EpiFi Senior Software Engineer Interview Questions and Answers for Experienced

Q1. One medium and one hard leetcode question.
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Q2. Some Golang concepts and goroutines implementation.
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Q1. Engineering Manager Round, grilled about my resume, past work experience. Some generic questions like why are you switching etc.
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Q2. HLD of IND Money's basic features. Need to draw HLD on draw dot io. Used Microservices Architecture.
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Q3. Parking lot database design. Some requirements were given, needed to design the tables required, their relationships and answer some follow up questions.
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Q1. This was taken by CTO. He was really nice to talk to. First he gave a DSA kind of question for which I took a lot of time. Asked me a few more technical as well as generic questions. Overall was a good rou...read more
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Min and max value from an array of integers, reverse of a string

Q1. Data Structures, Algorithms, Understand Common Problem Patterns,
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Q2. Advance Laravel and PHP
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Q1. Abstract and interface difference
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Abstract classes are classes that cannot be instantiated and can have both abstract and non-abstract methods. Interfaces are a collection of abstract methods.
• Abstract classes can have constructors, interfaces cannot

• A class can implement multiple interfaces, but can only inherit from one abstract class

• Interfaces can be used to achieve multiple inheritance in Java

• Abstract classes can have instance variables, interfaces c...read more
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Q2. Current project
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I am currently working on a project to develop a web-based inventory management system.
• Developing a user-friendly interface for managing inventory

• Implementing database functionality to store and retrieve inventory data

• Integrating with other systems to automate inventory updates

• Creating reports and analytics to track inventory levels and trends
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Sort array without using any inbuilt method?

Duration is 2 hour , Hackerearth portal
4 coding question, 1 SQL query

Q1. HR explored the CV and asked question
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Q2. About current Project
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Q3. About personal Aspiration
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70 mins 4 topics, 1/2 easy, 3 would be easy+, need detail orientation, 4 would be medium,

Easy case study, code review and find the bug

Coding assessment in Code signal which is vedio proctored

Q1. Design a loan application system
Ans. 
Design a loan application system
• Collect applicant information such as personal details, employment history, and financial information

• Include a credit check process to assess applicant's creditworthiness

• Implement a system for loan approval/rejection based on set criteria

• Provide options for different types of loans and repayment plans

• Ensure security measures are in place to protect applicant's sensitive information
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Bank account creation, deposit money, withdraw money

Q1. Question around work experience and how a particular scenario or situation is handled
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Suggest system cost optimization based on given data set

DSA coding round.
Graph based question, dp question.

Q1. 1. design service to download big file
Ans. 
Design a service to download large files.
• Use a scalable architecture to handle large file downloads.

• Implement resumable downloads to handle network interruptions.

• Use parallel downloading to speed up the download process.

• Implement authentication and authorization to ensure security.

• Provide progress updates to the user during the download process.
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Q1. Java based questions Spring beans
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It was leetcode questions for 60 min for 2 questions.

Q1. Tell me about your self
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Q1. Tell me about your work experience
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