Lukas' work is focused on making distributed databases easier to use, working with Citus on the Citus Cloud offering. He is also the author of activerecord-multi-tenant, a Ruby library that enables easy scaling for multi-tenant applications.
He has contributed multiple tools to the PostgreSQL ecosystem, such as pg_query and pganalyze. He has spoken about his work at conferences like PGConf US and Strangeloop. Initially from Austria, he's previously been in the Founding Team of Product Hunt (acquired by AngelList), as well as Soup.io and Spark59.