IBM Research Senior Software Engineer Interview Questions and Answers

Q1. Questions on java , spring boot , containarisation tools, coding, SOLID principles
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5 coading questions were asked in it

Q1. Manegerial round
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Choose the Options in Javascript, HTML, CSS

Q1. ES6 concepts of javascript
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Q2. Core concepts of Reactjs
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Reactjs is a JavaScript library for building user interfaces.
• Component-based architecture

• Virtual DOM for efficient updates

• JSX for writing HTML in JavaScript

• State management with setState()

• Lifecycle methods like componentDidMount()
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Q1. Role discussion with Manager
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Q2. Salary discussion with HR
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Q1. Explain technical challenges you have come across and how did you overcome it?
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I faced a technical challenge while implementing a complex algorithm for real-time data processing.
• Identified the bottleneck in the algorithm by profiling the code

• Optimized the algorithm by implementing data structures and algorithms with lower time complexity

• Tested the optimized solution thoroughly to ensure correctness and performance

• Collaborated with team members to brainstorm alternative approaches
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Q2. Explain the main feature of JavaScript frameworks
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JavaScript frameworks provide pre-written code to simplify and speed up web development.
• Helps in organizing code and improving code quality

• Provides reusable components for faster development

• Offers built-in features like routing, state management, and data binding

• Examples: React, Angular, Vue
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Q1. Do you have working experience of SwiftUI
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Q2. Have you ever implemented or worked with server driven UIs
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Yes, I have experience implementing server driven UIs.
• Implemented server driven UIs using JSON responses to dynamically update UI elements

• Worked with frameworks like React and Angular to handle server driven UI updates

• Used server driven UIs to efficiently manage and display large amounts of data
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Q1. What is closure and types?
Ans. 
Closure is a function that captures variables from its surrounding scope, allowing it to access those variables even after the scope has closed.
• Closure allows a function to access variables from its lexical scope even after the function has finished executing.

• Types of closures include lexical closures, which capture variables from the surrounding lexical scope, and function closures, which capture variables from the fu...read more
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Q2. What is Core data and all operations with example/scenarios
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Core Data is a framework provided by Apple for managing the model layer objects in an iOS application.
• Core Data is used for storing, retrieving, and managing data in an iOS app.

• It provides an object-oriented interface to work with data.

• Operations include creating, reading, updating, and deleting data.

• Example: Creating a new record in Core Data for a user profile.

• Example: Fetching a list of items from Core Data to displ
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Q1. Why you want to join the company?
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Q2. Why should we hire you
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Q1. Java Coding questions
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Q1. Coding plus java spring boot Microservices questions
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Develop java spring boot application from scratch

Q1. Coding questions. Real time questions on application
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Q1. Salary expectations
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Q1. Java 8 interview questions
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Q2. Spring boot questions
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Q1. Microservices strurcture and implementation
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Two simple coding questions were asked.

One multithreading questions was asked and few theoretical questions.

Q1. Few code snippets were provided on OOPs and result was asked.
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Q2. Sql query was asked.
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Q3. Two more rounds are still left
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Q1. Basic Js Question and Reactjs Questions
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