Explore compiler design principles and their practical applications in everyday programming through this insightful conference talk. Delve into the similarities between transpilers and compilers, debunking myths and uncovering valuable lessons from language implementation design patterns. Learn how to apply compiler-like workflows to solve common programming challenges, with examples from projects like Drools and jBPM. Discover the key phases of compilation, including data transformation pipelines, workflow engines, and code generation. Gain insights into advanced topics such as boot-time optimization, application wiring, and annotation processing. Understand how these concepts relate to cutting-edge technologies like GraalVM and Quarkus. By the end of this talk, acquire a deeper understanding of compiler design principles and their relevance to modern software development practices.