Haoyi is a major contributor to the open source Scala community, and has almost 10 years of professional Scala experience. His open source Scala projects have over 10,000 stars combined on Github, and are downloaded over 6,000,000 times a month from the Maven Central package repository. He is currently employed as a Staff Software Engineer at Databricks, using Scala professionally to build distributed backend systems, programming language interpreters and analyzers, high-performance web applications, and much more.