Finicity Javascript Developer Interview Questions and Answers

Q1. Behaviour of js
Ans. 
JavaScript is a dynamic programming language commonly used for web development.
• JavaScript is a high-level, interpreted language.

• It is known for its flexibility and ability to manipulate the DOM.

• Commonly used for client-side scripting in web development.

• Supports object-oriented, imperative, and functional programming styles.
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Q2. Call by value, call by reference
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Reverse fibonacci using recursion

3 programs to write in arrays linked lists and trees

Q1. Was asked questions on core Java, spring framework, apis and micro services
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Q1. What expertise will you bring to cme group of you join?
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Q2. Why are you quitting your current company?
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Q1. What is regression testing
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Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.
• It is performed after making changes to the software

• It ensures that existing functionality is not affected by the changes

• It helps to identify any new defects introduced by the changes

• It can be automated to save time and effort

• Examples include testing after bug fixes, new feature addition
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Q2. What is smoke testing
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Smoke testing is a preliminary testing to check if the software build is stable enough for further testing.
• It is a quick and shallow testing of the critical functionalities of the software

• It is performed to ensure that the build is stable enough for further testing

• It is usually performed after each build or deployment

• It helps in identifying major issues early in the development cycle

• Examples include checking if the app...read more
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Any online ideas, ds-algo, medium level

Swift, security framework, api, memory management

Q1. Basic ds-algo nd technical question
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Q1. Managerial question
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Q1. Sql join and basic sql queries
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Q2. Basic and Some advance knowledge of Linux command
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Q3. Previous company project details in depth
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Q1. Explain how javascript works
Ans. 
JavaScript is a high-level, interpreted programming language that is used to make web pages interactive.
• JavaScript is a client-side scripting language that runs in the browser.

• It is used to add interactivity to websites, such as form validation, animations, and dynamic content.

• JavaScript code is executed line by line and can manipulate the HTML and CSS of a webpage.

• It can also communicate with servers to retrieve or se
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Q1. Build a to do app in react
Ans. 
A to do app built in React for managing tasks and deadlines.
• Use React components to create a user interface for adding, editing, and deleting tasks

• Implement state management to keep track of tasks and their completion status

• Utilize local storage or a backend server to persist tasks between sessions
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Q1. Sql vs non sql difference
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SQL is a relational database management system while NoSQL is a non-relational database management system.
• SQL databases are structured and use tables with predefined schema while NoSQL databases are unstructured and use collections or documents.

• SQL databases use SQL language for querying and managing data while NoSQL databases use various query languages like MongoDB's query language.

• SQL databases are vertically scalab...read more
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Q2. Explain critical section and solution to critical section
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Critical section is a code segment that should not be executed by multiple threads simultaneously. Solution is to use synchronization techniques.
• Critical section is a part of code that should be executed by only one thread at a time

• Multiple threads accessing critical section can lead to race conditions and data inconsistency

• Synchronization techniques like locks, semaphores, and monitors can be used to ensure mutual exc...read more
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Q3. 2 dsa questions which were of dynamic programming
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Q1. First give introduction
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Q2. They asked about family background
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Q3. Some basic hr questions
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