Cex Webuy Entertainment Interview Questions, Process, and Tips for Freshers

Q1. 2 DS questions, 1 SQL question
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Q2. Details of projects worked, containerization, APIs
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I have worked on multiple projects involving containerization and developing APIs.
• Developed microservices using Docker containers for easy deployment and scalability

• Created RESTful APIs using Node.js and Express framework

• Integrated third-party APIs for data retrieval and processing

• Utilized Kubernetes for container orchestration and management
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Q1. Python - ML/DS pipeline
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Q2. Java- Springboot framework
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Q1. Its a normal questions which usually service based company asked
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Q2. Overall it is good
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Ask you to implement any solution like caching using LRU or LFU

Its a manager round where they discuss about u=your past experiences and also they tell you about the project

Q1. I think they gave you only based on your previous offer.
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Q2. Negotiate well with them . Don't accept just for the sake of an offer because further they will not change it until/ unless it is filling position.
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Q1. Basic fundamentals of React, JS, HTML and CSS
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Q2. Virtual DOM closure Hoisting spread and rest
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Q1. Sprint groom, Maximum story points in sprint, what is the role of scrum master, refresh token, Synthetic events, webpack, reduction, redux saga vs thunk, what pattern thunk follows, hooks
Ans. 
Answering questions related to sprint grooming, Scrum Master role, refresh tokens, Synthetic events, webpack, redux saga vs thunk, and hooks for Senior Software Engineer position.
• Sprint grooming involves prioritizing and estimating user stories for the upcoming sprint.

• Scrum Master facilitates the Scrum process and ensures the team follows the Agile principles.

• Refresh tokens are used to obtain new access tokens after th...read more
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Q2. Swagger vs postman
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Swagger is for API design and documentation, Postman is for API testing and collaboration.
• Swagger is used for designing and documenting APIs

• Postman is used for testing and collaborating on APIs

• Swagger generates API documentation automatically

• Postman allows for easy API testing and debugging

• Both tools can be used together for a complete API workflow
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Q1. What is ReactQuery?
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ReactQuery is a library for managing server state in React applications.
• Provides hooks for fetching, caching, and updating data from APIs

• Automatically handles caching, background refetching, and stale data management

• Improves performance by reducing unnecessary network requests
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Q2. Have you used useMemo, useCallback
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Yes, I have used useMemo and useCallback in React applications.
• Used useMemo to memoize expensive calculations and prevent unnecessary re-renders.

• Used useCallback to memoize functions and prevent unnecessary re-creations.

• Example: const memoizedValue = useMemo(() => calculateValue(a, b), [a, b]);

• Example: const memoizedFunction = useCallback(() => { doSomething(a, b); }, [a, b]);
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Q1. DSA based questions.heap,linkedlist, trees .
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Q1. Salary expectation. Why you want to join us
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