Building Scalable APIs with Node.js and Express

Building APIs that scale requires more than clean code. It demands thoughtful architecture, clear boundaries, and a focus on observability from day one.

Architecture Patterns

Choosing the right architecture pattern—whether REST, GraphQL, or tRPC—depends on your use case. Each has trade-offs in flexibility, performance, and developer experience.

Rate Limiting & Caching

Rate limiting protects your API from abuse while caching reduces load and improves response times. Implementing both correctly can make the difference between a sluggish and a snappy API.

Monitoring & Observability

You can't improve what you don't measure. Proper monitoring, logging, and tracing are essential for understanding how your API behaves under real-world conditions.

Building APIs that scale requires more than clean code. It demands thoughtful architecture, clear boundaries, and a focus on observability from day one.

Architecture Patterns

Choosing the right architecture pattern—whether REST, GraphQL, or tRPC—depends on your use case. Each has trade-offs in flexibility, performance, and developer experience.

Rate Limiting & Caching

Rate limiting protects your API from abuse while caching reduces load and improves response times. Implementing both correctly can make the difference between a sluggish and a snappy API.

Monitoring & Observability

You can't improve what you don't measure. Proper monitoring, logging, and tracing are essential for understanding how your API behaves under real-world conditions.