Granicus Senior Software Engineer Interview Questions and Answers

Q1. Design a paginated list of items, then improve efficiency
Ans. 
Design a paginated list of items and improve efficiency
• Implement lazy loading to fetch data only when needed

• Use caching to store previously fetched data for faster retrieval

• Optimize database queries to reduce load times
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Q1. Basics on Javascript, ReactJS
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Q1. Just discussions about my past experience. It was a phone interview
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Some basic node js coding like reading from a file, crud operations

Q1. Database schema and system design
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It was mainly some behavioural questions and math aptitude questions

Q1. Concept of Hoisting in Javascript
Ans. 
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable declarations are hoisted to the top of their scope, but not their initializations.

• Function declarations are fully hoisted, including their definitions.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q2. What is arrow function
Ans. 
Arrow functions are a concise way to write functions in JavaScript.
• Arrow functions are anonymous functions defined using the '=>' syntax.

• They have a shorter syntax compared to traditional function expressions.

• Arrow functions do not have their own 'this' keyword, instead they inherit it from the parent scope.
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Q3. Polyfill of Promise
Ans. 
Polyfill of Promise is a code that adds Promise functionality to browsers that do not support it natively.
• Polyfill is a piece of code that provides the technology that you expect the browser to provide natively.

• Polyfill for Promise adds Promise functionality to browsers that do not support it, allowing developers to use Promises in their code.

• Examples of Promise polyfills include 'es6-promise' and 'promise-polyfill'.
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Q1. Implementation of carousel
Ans. 
Implementing a carousel for displaying multiple images or content in a rotating manner.
• Use a library like Slick or Owl Carousel for easy implementation

• Ensure images/content are responsive for different screen sizes

• Add navigation arrows or dots for user interaction

• Consider adding autoplay feature with customizable speed

• Optimize performance by lazy loading images
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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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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. 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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Q1. Reconciliation based question medium
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