JioStar Senior Data Scientist Interview Questions and Answers

Q1. What is react, and why you chose it
Ans. 
React is a JavaScript library for building user interfaces, known for its efficiency and flexibility.
• React allows for the creation of reusable UI components, making development faster and more efficient.

• It uses a virtual DOM for optimal performance by only updating the necessary components when data changes.

• React's component-based architecture promotes code reusability and maintainability.

• It has a large and active comm...read more
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Q1. Design a page to fetch list of items via api call and render them with pagination
Ans. 
Design a page to fetch and render items with pagination via api call
• Use a frontend framework like React or Angular to create the page

• Make an API call to fetch the list of items

• Implement pagination logic to display a limited number of items per page

• Include navigation buttons for users to move between pages

• Consider adding a search feature to filter items
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Questions around js currying, closure, promises

MCQ questions and two coding questions for this test.

Q1. C#, asp.net questions
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Q1. Tell about your self
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Q2. Why do you prefer to change the current organization
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Easy to medium-level coding questions on DSA

Q1. DSA question along with basic java needs
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Q2. Create custom linked list
Ans. 
A custom linked list is a data structure where each node contains a value and a reference to the next node.
• Define a Node class with value and next properties

• Define a LinkedList class with head property and methods to add, remove, and traverse nodes

• Example: let list = new LinkedList(); list.add(1); list.add(2); list.remove(1);
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Q1. Of an elevator and some questions on how to implement it with some scenarios
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General aptitude questions

Q1. C++ basic questions
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Q1. Basic HR questions
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Q1. Explain about opps concepts
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Q2. What is the SOLID principal
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