Explore a 42-minute conference talk from the International PHP Conference that delves into the challenges of evolving startup architecture into enterprise-level systems. Learn from Denys Bulakh's experience at Regiondo as he shares insights on transforming a successful startup's architecture. Discover strategies for implementing service-oriented architecture and domain-driven design while managing technical debt. Gain practical knowledge on refactoring production applications step-by-step without complete downtime. Understand the process of architectural evolution and how to balance immediate needs with long-term scalability in a competitive startup environment.