Nest.js Interview Questions
Priyanshu Chouhan
Prepare for NestJS interviews with a structured, practical, and interview-focused learning experience.
This course contains carefully curated NestJS interview questions ranging from beginner to advanced level. Every topic is explained with clear examples, practical implementations, interview tips, and real-world use cases to help you understand NestJS concepts—not just memorize answers.
Whether you’re a backend developer, full stack developer, or preparing for your next job switch, this course will help you strengthen your NestJS fundamentals and confidently answer interview questions.
📚 Topics Covered
- Introduction to NestJS
- NestJS Architecture
- Project Structure
- Modules
- Controllers
- Providers
- Dependency Injection
- Services
- Routing
- Middleware
- Guards
- Interceptors
- Pipes
- Filters
- Exception Handling
- Validation
- DTOs
- Custom Decorators
- Lifecycle Hooks
- Configuration Module
- Environment Variables
- Authentication
- Authorization
- JWT Authentication
- Passport Integration
- Role-Based Access Control (RBAC)
- Session Management
- REST APIs
- GraphQL Basics
- WebSockets
- Microservices
- Event-Driven Architecture
- TypeORM
- Prisma Integration
- MongoDB Integration
- PostgreSQL Integration
- Redis Integration
- Caching
- File Uploads
- Logging
- Scheduling (Cron Jobs)
- Queues (BullMQ)
- Testing (Unit & E2E)
- Swagger/OpenAPI
- Performance Optimization
- Security Best Practices
- Deployment
- Common Interview Coding Questions
- Real-world Interview Scenarios
🎯 What You’ll Get
- ✅ 200+ NestJS Interview Questions
- ✅ Beginner to Advanced Concepts
- ✅ Detailed Explanations
- ✅ Practical Code Examples
- ✅ Interview Tips
- ✅ Common Mistakes & Best Practices
- ✅ Frequently Asked Questions from Product-Based Companies
- ✅ Regular Updates
- ✅ Lifetime Access
👨💻 Who Is This For?
- Backend Developers
- Full Stack Developers
- Software Engineers
- Students & Freshers
- Professionals preparing for technical interviews
🚀 Outcome
By the end of this course, you’ll have a solid understanding of NestJS fundamentals and advanced backend development concepts, enabling you to confidently tackle technical interviews at startups, product-based companies, and top tech organizations.