Botet has been active in the film industry since 2005. That year he starred the role of Humanoid in the movie Beneath Still Waters. In 2006, he appeared as Abrak in a French-Spanish feature film His Majesty Minor. Later on he appeared in the movies like REC, REC 2, Sexykiller and so on. He portrayed the role of The Crooked Man in an American supernatural horror film The Conjuring 2. He has also established himself as a director in 2010. That year he directed the short movie Love Star. Three years later, he directed his first feature film Everybody dies at the end.
Javier is now aged 38 years old but till date there is no any information about his love affairs and married life in the media. His nationality is Spanish and is of Hispanic ethnicity. His net worth is unknown.