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Swiggy Reactjs Developer Interview Questions and Answers
Swiggy Reactjs Developer Interview Experiences
1 interview found
MAYANK GAUTAM
I applied via Approached by Company and was interviewed in Sep 2023. There were 2 interview rounds.
(3 Questions)
- Q1. What are promises
- Ans.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and .catch() to handle errors.
Example: fetch() API returns a promise that resolves with the response to a request.
- Q2. How js handle asynchronous codes
- Ans.
JavaScript handles asynchronous codes using callbacks, promises, and async/await.
Callbacks are functions passed as arguments to another function to be executed later.
Promises represent the eventual completion (or failure) of an asynchronous operation and allow chaining of multiple asynchronous operations.
Async/await is a modern way of handling asynchronous code that makes it look synchronous.
Example: Using setTimeout w...
- Q3. Stair climbing leetcode question
Skills evaluated in this interview
Interview questions from similar companies
Anonymous
(2 Questions)
- Q1. LRU Cache - how to tackle
- Ans.
LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.
Implement using a doubly linked list and a hashmap for efficient operations
When an item is accessed, move it to the front of the list
When the cache is full, remove the least recently used item from the end of the list
- Q2. LRU Cache implementation based on a real time system. How would the main work which will be called etc etc
BFS Implementation of a jug question.
(2 Questions)
- Q1. Few hashmap questions
- Q2. Object Oriented Programming questions
(2 Questions)
- Q1. It was lld question to design a cab booking system.
- Q2. Tell me about yourself
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Binary search for closest element
- Ans.
Binary search to find the closest element in a sorted array
Implement binary search to find the target element in the array
Keep track of the closest element found so far while searching
Update the closest element if a closer one is found during the search
- Q2. String manipulation
(1 Question)
- Q1. Low level Design for an online e-commerce website
- Ans.
Low level design for an online e-commerce website involves designing the architecture and components of the website.
Identify the main components such as user interface, database, payment gateway, product catalog, etc.
Design the database schema to store user information, product details, orders, etc.
Implement user authentication and authorization mechanisms for secure access.
Integrate payment gateway for processing tran...
Interview Preparation Tips
- DSA
- Design patterns
Skills evaluated in this interview
I applied via campus placement at Indraprastha Institute of Information Technology (IIIT), Delhi and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Maximum Sum Subarray
- Q2. Insert node in binary search tree
- Ans.
To insert a node in a binary search tree, compare the value of the node to be inserted with the current node and traverse left or right accordingly.
Start at the root node and compare the value of the node to be inserted with the current node.
If the value is less than the current node, move to the left child node. If it is greater, move to the right child node.
Repeat this process until reaching a leaf node, then insert ...
Skills evaluated in this interview
Selected
I applied via Job Portal and was interviewed in Aug 2024. There were 2 interview rounds.
DSA + JAVA + Spring boot
LLD (bookmyshow) + DSA
Interview Preparation Tips
- Spring batch
- spring Jpa
- Transactions
- Microservices
It was a medium-level DSA round
This was also a DSA round
This again a DSA round
(1 Question)
- Q1. Can't disclose the question because of NDA signed but it was a design round
(1 Question)
- Q1. This was a project discussion round
I applied via LinkedIn and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Why you want to join facebook?
- Ans.
I want to join Facebook because of its innovative technology, global impact, and opportunities for growth.
Innovative technology: Facebook is known for its cutting-edge technology and constant innovation.
Global impact: Working at Facebook would allow me to contribute to a platform that connects billions of people worldwide.
Opportunities for growth: Facebook offers a dynamic and fast-paced work environment with ample opp...
- Q2. Whats the best feature you like in Facebook?
- Ans.
I appreciate the personalized news feed feature on Facebook.
Personalized news feed shows content based on user interests
Helps users stay updated on relevant information
Allows users to engage with content they are interested in
PGNVS pranav
Asked about the dsa questions and about trees
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