365 Days Later - Moving from Java to Ruby on Rails and How It Changed Everything

Learn from Flexcar's complete journey of migrating from a Java-based architecture with 80 microservices to a monolithic Ruby on Rails application in just four months, presented as a conference talk one year after the transition. Discover how this bold technological shift affected not only the tech stack but also workflow, team dynamics, and company culture at a company where the entire team was new to Rails. Explore the lessons learned, challenges overcome, and unexpected outcomes from this aggressive migration timeline. Gain insights into managing successful tech stack migrations while avoiding common pitfalls, strategies for securing buy-in from leadership and cross-functional teams, and understand how the shift to Rails fundamentally reshaped development processes and products. Walk away with actionable tips for ensuring smooth transitions, whether you're an engineering leader considering a similar move or evaluating a switch to Ruby on Rails for your organization.