Motilal Oswal Financial Services BI Developer Interview Questions and Answers

Q1. Data binding techniques
Ans. 
Data binding techniques allow for synchronization of data between the model and the view in web development.
• Two-way data binding ensures that changes in the model are reflected in the view and vice versa

• One-way data binding updates the view when the model changes, but not the other way around

• Data binding libraries like AngularJS, React, and Vue.js provide tools for efficient data binding
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Q2. Project related information
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Test has three questions

Q1. Introduce yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. Why would we hire you?
Ans. 
I have a strong technical background, a passion for software development, and a proven track record of delivering high-quality projects.
• Strong technical skills in programming languages such as Java, Python, and C++

• Experience with software development projects, including creating web applications and mobile apps

• Proven ability to work well in a team and communicate effectively with stakeholders

• Passion for learning and st...read more
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Q1. It was a good technical mostly on the JAVA side.
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Q1. Diff btwn this and arrow in javascript
Ans. 
The 'this' keyword in JavaScript refers to the current object, while the arrow function does not bind its own 'this'.
• The 'this' keyword in JavaScript refers to the object that is executing the current function.

• Arrow functions do not bind their own 'this' value, instead they inherit the 'this' value from the enclosing lexical context.

• Using 'this' in a regular function can lead to unexpected behavior, especially in neste...read more
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Q2. Diff btwn let, var, const
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let, var, and const are all used to declare variables in JavaScript, but they have different scopes and behaviors.
• let is block-scoped and can be reassigned, var is function-scoped and can be reassigned, const is block-scoped and cannot be reassigned

• Using let:

• let x = 10;

• x = 20; // valid

• Using var:

• var y = 5;

• y = 8; // valid

• Using const:

• const z = 15;

• z = 25; // error, cannot reassign const variable
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It's api round. We have to develop an api and frontend

It's contains 2 coding question and 20 mcqs

Q1. Introduction about your self
Ans. 
I am a Full Stack Software Developer with 5 years of experience in building web applications.
• 5 years of experience in full stack development

• Proficient in languages like JavaScript, HTML, CSS, and frameworks like React and Node.js

• Strong problem-solving skills and ability to work in a team environment
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Q2. What is polling in ca
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Polling in computer science is a technique used to actively check the status of a resource or process at regular intervals.
• Polling involves continuously checking a resource or process for updates or changes.

• It is commonly used in web development to update content on a webpage without refreshing the entire page.

• Polling can be synchronous or asynchronous, depending on the implementation.

• Examples of polling include checki...read more
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Q1. Finalizer and un manageable resources
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Q1. Small UI task using Vue.js
Ans. 
Create a small UI task using Vue.js
• Create a simple form with input fields and a submit button

• Use Vue.js directives like v-model for data binding

• Implement validation for the form fields

• Display a success message upon form submission
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Q2. Find the second largest number
Ans. 
Iterate through the array to find the second largest number
• Iterate through the array and keep track of the largest and second largest numbers

• Compare each element with the largest and second largest numbers to update them accordingly

• Return the second largest number once the iteration is complete
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Hackerrank Coding - They have asked 2 questions.

Q1. OOPS Concepts and general questions.
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Q2. About the project I have worked on.
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Q1. Package, relocation and sponsorship for staying in the US
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