Software engineering expert, Mauricio Aniche, discusses the six principles of simple object-oriented design: making code small, consistent objects, managing dependencies, good abstractions, handling external dependencies, and achieving modularization. He emphasizes the importance of maintaining simplicity in codebase for effective object-oriented design.

Mauricio Aniche, author of Effective Software Testing, discusses effective testing techniques in software development including the testing pyramid, specification-based testing, and behavior-driven design. He emphasizes the importance of developers taking responsibility for testing their code and explains the benefits of automated testing. The podcast also covers the challenge of convincing developers to write tests and the ongoing debate between integration tests and unit tests. Aniche highlights the significance of understanding program requirements and explores the relationship between specification-based testing and behavior-driven design.