API Design
REST, GraphQL, and gRPC. The principles of versioning, error handling, idempotency, and authentication that make APIs reliable contracts …
Foundations
Clean Architecture
Robert C. Martin's architectural pattern for organizing software so that business logic is independent of frameworks, databases, and …
Continuous Integration and Continuous Delivery
The discipline of keeping software in a releasable state at all times through automated build, test, and deployment pipelines. CI/CD is the …
Design Patterns
The Gang of Four catalog of reusable solutions to recurring object-oriented design problems. Patterns are not code to copy - they are …
Domain-Driven Design
Eric Evans's approach to software design that aligns the structure and language of code with the business domain. Bounded contexts, …
Security Fundamentals
Authentication, authorization, encryption, the OWASP Top 10, and the zero trust model. The baseline security practices that every production …
SOLID Principles
Five principles of object-oriented class design formulated by Robert C. Martin. A foundational framework for writing code that is easy to …
Testing Strategy
The testing pyramid, test-driven development, and the discipline of building confidence in software through automated verification. A …
Well-Architected Framework
The cloud architecture review methodology used by AWS, Azure, and Google Cloud to evaluate workloads against proven best practices across …