Guillermo Castillo

Guillermo Castillo is a Senior Software Engineer at DraftKings Inc., focusing on the design and development of backend services using Elixir, Ruby, and JavaScript. Previously, they worked at Hazy and iSeatz, where they played key roles in developing web platforms and leading full-stack development projects respectively. Guillermo has experience as a founder of Sequbot, where they built a machine learning-based product, and has a solid background working with various technologies including Python, Docker, and AWS. They are passionate about creating robust applications that prioritize user experience and performance while thriving in fast-paced, result-driven environments.