Bottyán is one of the founders and has been working at Gravity R&D from the very beginning. He is directing the development of Gravity’s recommendation engine from several aspects. Bottyán oversaw the company scale up recommendations served per day from several million per day, to over 100 million per day. At the same time, he assisted Gravity in the addition of extra recommendation and personalization related features. He has contributed to this evolution in several ways with the development of the data mining tools, design of the system architecture, and development of the operation workflow. His current focus is on how to use state of the art recommendation algorithms to solve real world problems.