Nykaa Software Engineer Interview Questions and Answers

Q1. Discussion with Lead Engineer around basics of javascript, HTML, CSS, and Resume based question
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Q1. Discussion with Technical Architect around Some advanced concepts of javascript, React, Some aptitude questions.
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Q1. Discussion with hiring manager. Understanding around the project, roles and responsibility of the position I was being hired for.
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Q1. OOPS, java, data structure
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Q2. Coding assignment for binary search
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Implement binary search algorithm to find a target string in a sorted array of strings.
• Ensure the array of strings is sorted before performing binary search.

• Compare the target string with the middle element of the array and adjust the search range accordingly.

• Repeat the process until the target string is found or the search range is exhausted.
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Q1. What is your Notice period
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Q2. Expectation from new job
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Its mcqs where we need to answer 25 questions

Q1. Knowledge if sql based on experience. Good to know joins well
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Q1. Implement queue,
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Q2. React life cycle
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Q3. Some output based questions
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Q4. What is polyfill, implemented one two polyfill
Ans. 
A polyfill is a piece of code that provides modern functionality on older browsers that do not natively support it.
• Polyfills are commonly used for adding support for new JavaScript features on older browsers.

• Two popular polyfills are 'Babel' for ES6 features and 'fetch' for the Fetch API.

• Polyfills help ensure a consistent user experience across different browsers.

• Polyfills can be implemented using JavaScript libraries ...read more
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Q5. Create todo list using react
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Create a todo list using React for managing tasks and reminders.
• Use React components to create a form for adding tasks

• Store tasks in state and display them in a list

• Add functionality to mark tasks as completed and delete tasks

• Implement features like filtering tasks by status or due date
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Q6. Closure and hoisting
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Q1. Design hld interview asked question
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Q2. Design lld asked question
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Machine coding - design food ordering service,

Q1. Sort array having 0 , 1 and 2. do it in single pass
Ans. 
Use Dutch National Flag algorithm to sort array of 0s, 1s, and 2s in single pass.
• Initialize three pointers low = 0, mid = 0, high = n-1 where n is the length of the array.

• Iterate through the array and swap elements based on their values and positions.

• Example: Input array ['0', '1', '2', '0', '1', '2'] should be sorted as ['0', '0', '1', '1', '2', '2'].
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Q2. Given tree and list of nodes to be deleted. return all new trees created after the deletion
Ans. 
Return new trees after deleting specified nodes from a given tree
• Traverse the tree and delete nodes that match the given list

• For each deleted node, create a new tree with the remaining nodes

• Return all new trees created after deletion
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Q1. Design Restaurant management sytem
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Restaurant management system to streamline operations, orders, inventory, and customer service.
• Include features for table management, order processing, menu customization, inventory tracking, and customer feedback.

• Implement user roles for staff, managers, and administrators with varying levels of access and permissions.

• Integrate payment processing systems for seamless transactions and reporting.

• Utilize data analytics t...read more
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Q1. Discussed about projects in depth
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Q2. Question around redis, kafka and all
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Q1. What are Microservices
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Microservices are a software architecture pattern where applications are built as a collection of small, loosely coupled services.
• Microservices are independent and autonomous services that communicate with each other through APIs.

• Each microservice is responsible for a specific business capability and can be developed, deployed, and scaled independently.

• Microservices promote flexibility, scalability, and resilience in s...read more
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Q1. What are SOAP APIs
Ans. 
SOAP APIs are a protocol for exchanging structured information in web services using XML-based messages.
• SOAP stands for Simple Object Access Protocol

• It is a messaging protocol that allows programs running on different operating systems to communicate with each other

• SOAP APIs use XML to format the data being sent

• They are commonly used in enterprise-level applications for integrating different systems

• SOAP APIs provide a
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Q2. What are Rest APIs?
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REST APIs are a set of rules and protocols that allow different software applications to communicate and interact with each other over the internet.
• REST stands for Representational State Transfer

• REST APIs use HTTP methods like GET, POST, PUT, DELETE to perform operations on resources

• REST APIs are stateless, meaning each request from a client to a server contains all the necessary information

• REST APIs typically return d...read more
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