Willian Martins has been involved in the tech industry since 2004, although he started working as a front-end developer in 2007. Despite having 15 years of experience in this field, he considers it to be more accurately described as three times five years of experience due to the constant changes in the front-end ecosystem.

Willian is currently employed as a TV and Web engineer at Netflix, having previously worked for companies such as eBay and Delivery Hero. He is also a former member of the Mozilla Tech Speaker team and a delegate of TC39. In his free time, Willian enjoys watching soccer and Formula 1, as well as playing video games.