Backend Developer (NodeJS)
Wobot AI Delhi, Delhi, India
Job Description
"Join Wobot AI as a Backend Developer (NodeJS) and unlock the full potential of our web-based application by optimizing its performance through efficient backend development."
As a Backend Developer (NodeJS) at Wobot AI, you will play a pivotal role in designing and developing high-performance back-end components that seamlessly integrate with our front-end developers to create an exceptional user experience.
You will be responsible for ensuring the security and integrity of our application by implementing robust user authentication and authorization mechanisms, as well as integrating data storage solutions that meet the highest standards.
Why you should learn this:
The demand for skilled Backend Developers in NodeJS is extremely high, with a projected growth rate of 13% in the next 5 years, making it an excellent career choice.
Expected Salary: $80,000 - $150,000 per year, depending on experience and location
How it works:
- Design and develop high-performance back-end components using NodeJS to optimize application performance.
- Collaborate with front-end developers to integrate back-end components with React-based web applications.
Core Concepts to Master
NodeJS Fundamentals
Understand the basics of NodeJS, including event-driven I/O, non-blocking I/O, and the V8 engine. Learn how to use popular NodeJS frameworks such as Express.js and Koa.js to build scalable back-end applications.
Database Integration
Learn how to integrate data storage solutions such as PostgreSQL, MongoDB, and API integration to ensure seamless data exchange between systems, servers, and environments.
Security and Authentication
Understand the importance of user authentication and authorization in web applications. Learn how to implement robust security mechanisms using OAuth, JWT, and other popular protocols.
Interview Questions (Beginner)
- What is NodeJS and how does it differ from other programming languages?
- How do you handle errors and exceptions in NodeJS applications?
- What are some popular NodeJS frameworks and when to use them?
Job Overview
Advance Questions
- • How do you optimize NodeJS applications for performance and scalability?
- • What are some best practices for integrating data storage solutions in NodeJS applications?
- • How do you implement user authentication and authorization in NodeJS applications?