Web services are typically stateless entities that need to operate at scale. Nikhil Barthwal explains how Jet.com implemented event-driven microservices architecture using a functional language, demonstrating how the functional paradigm captures the behavior of this service architecture very naturally and offers several benefits, such as scalability, productivity, and correctness.

In todays world of data breaches and hackers, security is one of the most important components for big data systems, but unfortunately, it's usually the area least planned and architected. Matt Bolte and Toni LeTempt share Walmart's authentication journey, focusing on how decisions made early can have significant impact throughout the maturation of your big data environment.