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Perfios Software Solutions
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I was interviewed in Feb 2025.
React Hooks are functions that let you use state and other React features without writing a class.
React Hooks were introduced in React 16.8.
They allow you to use state and other React features in functional components.
Some commonly used React Hooks are useState, useEffect, useContext, etc.
React is better than plain JavaScript for building complex user interfaces due to its component-based architecture and virtual DOM.
React allows for easier management of state and props through its component-based architecture.
Virtual DOM in React helps improve performance by only updating the necessary parts of the actual DOM.
React's declarative approach simplifies the process of building and maintaining complex UIs.
Re...
DSA : LL, Stack , Trees, BST based questions
5 MySQL queries
posted on 20 Nov 2024
I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.
Perfios Software Solutions interview questions for popular designations
I applied via Job Portal and was interviewed in Aug 2023. There were 3 interview rounds.
Take a web page and explain about how you do testing on it manually...
I applied via Campus Placement and was interviewed before Aug 2023. There were 5 interview rounds.
4 DSA questions and aptitude questions. It was a pen and paper test for nearly 75 to 90 min
Designed DB schema and API for internship project
Created normalized database schema to store user information, orders, and products
Implemented RESTful API endpoints for CRUD operations on user data
Used authentication and authorization mechanisms to secure API endpoints
Optimized queries for efficient data retrieval and processing
Alarm clocks in phones work by triggering a pre-set notification at a specific time to alert the user.
Alarm clock app is programmed to trigger a notification at a specific time set by the user
The phone's system clock is used to track the current time and compare it to the set alarm time
When the alarm time matches the current time, the phone plays the selected alarm sound or vibration
Users can customize alarm settings s...
Data Structures and Algorithms are used in real life applications such as social media algorithms, GPS navigation, and search engines.
Social media algorithms use DSA to personalize user feeds based on their interests and interactions.
GPS navigation systems use Dijkstra's algorithm to find the shortest route between two locations.
Search engines like Google use algorithms like PageRank to rank web pages based on relevanc
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.
More questions around springboot and some managerial questions
I was interviewed in Aug 2023.
I applied via LinkedIn and was interviewed in Dec 2023. There was 1 interview round.
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The duration of Perfios Software Solutions interview process can vary, but typically it takes about less than 2 weeks to complete.
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