IBM Full Stack Software Developer Interview Questions, Process, and Tips

1st round was mixture of aptitude and some psuedo code and the time given was 90 mins for 90 questions.

After clearing the cuttoff there will be 2 coding question one for easy level second will be medium level.

Q1. Ai based english vocabolary and listening test
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Q1. This round was the easiest of all just basic questions
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Q2. Oops related question
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Q3. Project discussion based questions.
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Q4. Do you know something about modern technologies.
Ans. 
Yes, modern technologies are constantly evolving and I keep myself updated with the latest trends.
• I am familiar with cloud computing platforms like AWS, Azure, and Google Cloud

• I have experience with containerization using Docker and Kubernetes

• I am proficient in programming languages like Python, JavaScript, and Java

• I have worked with modern front-end frameworks like React and Angular

• I am familiar with DevOps practices ...read more
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Q5. Have any questions for me.
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Q1. What is closures in JS ?
Ans. 
Closures in JavaScript are functions that have access to variables from their outer scope, even after the outer function has finished executing.
• Closures are created when a function is defined inside another function.

• The inner function has access to the outer function's variables, parameters, and even the outer function's return value.

• Closures are useful for creating private variables and data encapsulation.

• They can be ...read more
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Q2. Diff props and state ?
Ans. 
Props and state are both used in React to manage and pass data, but they have different purposes and behaviors.
• Props are read-only and passed from parent components to child components.

• State is mutable and managed within a component.

• Props are used to pass data from a parent component to a child component.

• State is used to manage and update data within a component.

• Props are passed as attributes to a component in JSX.

• Stat...read more
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Q3. How to optimise the performance ?
Ans. 
Performance optimization involves identifying and resolving bottlenecks to improve the efficiency of software.
• Identify and analyze performance bottlenecks

• Optimize algorithms and data structures

• Improve database performance through indexing and query optimization

• Use caching techniques to reduce database and network calls

• Minimize network latency by optimizing network requests

• Optimize front-end code by reducing DOM manipul...read more
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Q4. Diff between class based or function based component ?
Ans. 
Class-based components are ES6 classes that extend React.Component, while function-based components are functions that return JSX.
• Class-based components are more feature-rich and have access to lifecycle methods.

• Function-based components are simpler and easier to read and test.

• Class-based components can have state and use lifecycle methods like componentDidMount and componentDidUpdate.

• Function-based components can use ...read more
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Q5. What is es6 features ?
Ans. 
ES6 (ECMAScript 2015) introduced several new features to JavaScript, enhancing its functionality and making it more efficient.
• Arrow functions: concise syntax for writing functions

• Let and const: block-scoped variables

• Template literals: easier string interpolation

• Destructuring assignment: extracting values from arrays or objects

• Spread syntax: expanding elements in arrays or objects

• Classes: syntactical sugar for creating ...read more
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Q1. Always remember to flow- up
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Q1. What is functional interface
Ans. 
A functional interface is an interface that contains only one abstract method.
• Functional interfaces can have multiple default or static methods, but only one abstract method.

• Functional interfaces are used in lambda expressions and method references.

• Examples of functional interfaces in Java include Runnable, Callable, and Comparator.
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