Exotel Customer Happiness Executive Interview Questions and Answers

Q1. Reconciliation based question medium
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Q1. It was mostly on scenario based questions and I was asked to code online.
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Q1. Discussion were there past projects, how different objectives were done.
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Q1. Round 1 was hackerrank test. MCQs and coding questions.
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Q2. Kafka related questions.
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Q3. Java 8 related questions. Java streams.
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General aptitude questions and technical questions

Q1. Array data structure based programming question
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Q2. Object Oriented Programming concepts
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Normal Aptitude and Basics of the Computer Core Questions

Q1. Tell about Yourself
Ans. 
I am a software developer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment

• Passionate about learning new technologies
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Q2. Write the code abt the right binary tree?
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Q1. Normal Hr Questions
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HackerRank Coding Test
- One Coding Question
- Technical MCQs
- 45 mins - 1 hr test

Q1. I Applied for JAVA, Springboot - All possible sequence combinations of a given String (Approach was important, I explained him the algo, My output was not accurate. But when he saw I was using Memoization,...read more
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Q1. Director of Software Development took the interview. He asked me few system design questions. Mostly Rest API Related Questions. Scenario based design.
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Q1. This is a very important and serious round. Head of HR India along with some other panel took the interview. - They have few ethical pillars of the company like leadership, agility, ownership etc. - They w...read more
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Q1. Salary Discussion & Negotiation
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Q1. Exception handling, spring boot
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Q2. Oops concepts, java streams
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FInd 3 numbers in an array whose sum = k.

Q1. Past projects I have worked on
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Q2. Design a Elevator system
Ans. 
Design an Elevator system for efficient vertical transportation
• Consider the number of floors in the building

• Implement a scheduling algorithm to optimize elevator movement

• Include safety features such as emergency stop button

• Allow for both manual and automatic operation

• Consider peak hours and traffic flow in the building
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