Back End Development and APIs Certification

Chapters

1Backend Foundations with Node.js

2JavaScript for the Server

3Node.js Runtime, Modules, and Packages

4Asynchronous Patterns and Streams

5Building REST APIs with Express

6Routing, Middleware, and Request Lifecycle

7Data Modeling and Persistence

8Validation, Serialization, and Data Shaping

9Authentication, Authorization, and Security

10API Design, Versioning, and Documentation

11Testing and Quality Assurance

12Performance, Caching, and Scalability

Profiling and Benchmarks Hot Paths and Bottlenecks Node Cluster and PM2 Horizontal vs Vertical Scaling HTTP/2 and Keep-Alive Compression and Brotli CDN and Edge Caching Client and Server Caching Headers Redis as Cache Store Cache Invalidation Strategies Database Indexing and N+1 Efficient Pagination Patterns WebSockets and SSE Basics Queue-Based Work Offloading Memory Leaks and GC Tuning

13Resilience, Observability, and Operations

14Background Jobs, Queues, and File Handling

15Deployment, CI/CD, Containers, and Cloud

Courses/Back End Development and APIs Certification/Performance, Caching, and Scalability

Performance, Caching, and Scalability

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Optimize throughput and latency with profiling, caching, and scale-aware patterns.

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Hot Paths and Bottlenecks

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