Vajro Onboarding Specialist Interview Questions and Answers

It was a live coding round where expectation was to come up with a framework in Java from Scratch

Q1. It was a DS/Algo Round
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Q1. Design Round in HLD
Ans. 
Design Round in HLD involves creating a high-level design for a software system.
• Identify the main components of the system and their interactions

• Define the architecture of the system including layers, modules, and interfaces

• Consider scalability, performance, security, and maintainability

• Use UML diagrams like class diagrams, sequence diagrams, and component diagrams

• Document the design decisions and rationale
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Coding questions were easy, not clear about shortlisting process

Q1. Basic DSA questions on arrays, linked lists
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Q1. Self introduction
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It was time based task and was very well instructed it consisted questions for all in one like apti related to sales and excel all in one go.

Q1. My first question after my introduction was about b2b and b2c marketing
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Q2. It was about what i understand by lead genration
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Q1. Architecture of current project
Ans. 
The current project follows a microservices architecture with Docker containers for scalability and flexibility.
• Microservices architecture is used to break down the application into smaller, independent services that can be developed, deployed, and scaled independently.

• Docker containers are utilized for packaging the application and its dependencies into a standardized unit for easy deployment and management.

• Service di...read more
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Q2. Spring and Hibernate questions
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Basic coding questions

2 questions, Easy and medium based

Q1. Stacks queues and array questions
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Q1. Technical questions on projects
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Q1. How to tackle any uncertain situations? Behavioural questions
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Q1. Let var const difference
Ans. 
var, let, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
• var is function-scoped and can be redeclared and reassigned

• let is block-scoped and can be reassigned but not redeclared

• const is block-scoped and cannot be reassigned or redeclared
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Q2. Polyfills of bind method
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Polyfills of bind method provide a way to use the bind method in older browsers that do not support it natively.
• Polyfill code typically checks if the bind method is available and if not, it creates a new function that mimics the behavior of bind.

• One common polyfill for the bind method is the following: Function.prototype.bind = Function.prototype.bind || function() { // polyfill code here };

• Polyfills are often used to ...read more
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Q1. Make a search bar in React
Ans. 
Create a search bar component in React for filtering data
• Create a functional component for the search bar

• Use state to store the search query

• Implement a onChange event handler to update the search query

• Filter the data based on the search query
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Q2. React js core concepts
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Q1. How you structure your work
Ans. 
I structure my work by breaking down tasks, setting priorities, creating timelines, and regularly reviewing progress.
• Break down tasks into smaller, manageable chunks

• Set priorities based on deadlines and importance

• Create timelines to track progress and ensure timely completion

• Regularly review progress and adjust plans as needed
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Q2. How you make a project from scratch
Ans. 
To make a project from scratch, start by defining requirements, creating a plan, designing the architecture, implementing the code, testing, and deploying.
• Define project requirements and goals

• Create a project plan with timelines and milestones

• Design the architecture of the project, including database schema and system components

• Implement the code following best practices and coding standards

• Test the project thoroughly ...read more
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Assignment to develop a prototype

Q1. Face to face questions
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Q2. Java Question Technical & coding
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Q3. Mongodb & Mysql Question
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Will be given Requirement to write code for Restraunt. Based on that have write code for delivering orders by delivery boys.

Q1. OOPS Concepts, Java Basics, Collections, MultiThreading
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