Key to creating world-class solutions lies in the effectivity of cross-team collaboration and lead time. When multiple teams involved in a project, it is critical to take cross-platform and cross-language aspects into account. Introducing GraalVM, a universal virtual machine created to address an issue of teams struggling to collaborate because of varying preference of programming languages. In this session, we will look at how you can use GraalVM to create polyglot applications with ease. It is a hands-on live coding session where we will look at Ruby, NodeJS & Java interoperability.