Ryan Stawarz and Austin Story, both Rails engineers at Doximity since 2016, share insights into their journey with Ruby on Rails and GraphQL. They discuss how Doximity evolved a monolithic Rails app to support over 100 engineers and millions of healthcare professionals. Key topics include the integration of GraphQL for mobile optimization, performance challenges, and the use of BatchLoader to handle data efficiently. They highlight the balance between GraphQL and REST, the evolution of front-end technologies, and emphasize a culture of trust to enhance team dynamics.