The presenters have shared with me slides for the event.
Building Maintainable Modern Microservices in Scala
https://drive.google.com/file/d/1qmVQugIAaf3dqUo6maqHQ3J4wZ1tGYLw/view?usp=share_link
Building a Train Isochrone Map for Tokyo
https://drive.google.com/file/d/1uITJQSOeJtEP6-aR_cIpZ385u3HB7L0z/view?usp=share_link