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I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
React hooks are functions that let you use state and other React features in functional components.
Allow functional components to have state and lifecycle methods
Replace class components with simpler functional components
Examples: useState, useEffect, useContext
Redux is a predictable state container for JavaScript apps, used to manage application state in a centralized store.
Redux helps manage the state of an application in a predictable way
It allows for a single source of truth for the state of the application
Redux is commonly used with React to manage the state of components
Actions are dispatched to update the state in Redux store
Reducers specify how the state changes in re
Yes, I have experience with file upload tasks. Files are saved in DB by storing the file path and retrieval is done by fetching the file path from the DB.
Used multer middleware in Node.js to handle file uploads
Saved file path in MongoDB using Mongoose schema
Retrieved file by querying the database for the file path
Implemented file upload functionality in a project using React for the front end
CRUD operations in MongoDB include create, read, update, and delete operations on documents in a collection.
Create: db.collection.insertOne()
Read: db.collection.find()
Update: db.collection.updateOne()
Delete: db.collection.deleteOne()
Aggregation is the process of combining data from multiple sources to provide a summary or overview.
Aggregation in databases involves grouping and summarizing data to provide insights.
In MongoDB, aggregation pipelines are used to process data and return computed results.
Examples of aggregation functions include sum, average, count, and group by.
They are used in MongoDB aggregation pipeline to perform various operations like joining, filtering, projecting, etc.
Used in MongoDB aggregation pipeline for data manipulation
Perform operations like joining, filtering, projecting, etc.
Help in combining data from multiple collections
Use $lookup to perform a left outer join between two collections
Developed a real-time chat application using Node.js with Socket.io for instant messaging functionality.
Implemented server-side logic using Node.js to handle incoming messages and broadcast them to all connected clients
Utilized Socket.io library to establish WebSocket connections for real-time communication
Integrated with MongoDB to store chat messages and user information
Implemented authentication and authorization me
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I appeared for an interview before Sep 2016.
I applied via Recruitment Consultant and was interviewed before Sep 2018. There were 4 interview rounds.
I appeared for an interview in Jul 2017.
I am a software engineer with experience in developing and maintaining software applications.
I have a strong background in programming languages such as Java, C++, and Python.
I have worked on various projects, including developing web applications and implementing software solutions.
I am skilled in problem-solving and debugging, ensuring efficient and effective software development.
I have experience in collaborating wi...
I learned valuable teamwork and problem-solving skills during my summer internship.
Developed strong collaboration skills by working with a team of software engineers to complete projects
Gained experience in troubleshooting and debugging software issues
Learned to effectively communicate and present technical concepts to both technical and non-technical stakeholders
Improved problem-solving abilities by identifying and re...
Java is an object-oriented language while C is a procedural language.
Java is platform-independent while C is platform-dependent.
Java has automatic garbage collection while C requires manual memory management.
Java has built-in support for multithreading while C requires external libraries.
Java has a larger standard library compared to C.
Java is more secure than C due to its strong type checking and exception handling.
C ...
Pointers are variables that store memory addresses of other variables in programming languages.
Pointers allow direct access and manipulation of memory locations.
They are commonly used in programming languages like C and C++.
Pointers can be used to pass variables by reference, allowing modifications to the original value.
They can also be used to dynamically allocate memory.
Example: int* ptr; // declares a pointer to an
In 5 years, I see myself as a senior software engineer leading a team of developers.
Leading a team of developers
Working on complex projects
Continuing to learn and grow in my role
Contributing to the success of the company
based on 1 interview
Interview experience
Software Developer Trainee
3
salaries
| ₹2.4 L/yr - ₹4.1 L/yr |
TCS
Accenture
Wipro
Cognizant