01 — Database Design Patterns

Patterns

A book-shaped table of contents for reusable engineering patterns spanning object-oriented design, enterprise architecture, distributed systems, messaging, APIs, cloud infrastructure, observability, security, concurrency, AI/agentic systems, and organizational design — grounded in production experience at scale.

02 — Caching Patterns

Cache-Aside, Read-Through, Write-Through, Write-Back, and Refresh-Ahead — the five ways an application and its cache can disagree about who owns writing to the source of truth.

03 — Search Patterns

Inverted Index, Secondary Index, Bloom Filter, and Skip List — the data structures that make search and existence-checks fast at scale.

Patterns

A book-shaped table of contents for reusable engineering patterns spanning object-oriented design, enterprise architecture, distributed systems, messaging, APIs, cloud infrastructure, observability, security, concurrency, AI/agentic systems, and organizational design — grounded in production experience at scale.

02 — Pattern Selection & Trade-offs

How to choose between competing patterns under real forces: naming the context, weighing trade-offs and consequences, composing multiple patterns together, and recognizing when a pattern has outlived its fit.