Juan Calleja

Juan Calleja has a diverse work experience spanning over several companies and roles. Juan began their career in 1996 as a Marketing Administrative at Daewoo Motor Iberia. Juan then worked as a Programador sénior at Banco de Santander from 1998 to 1999. In 1999, they joined Arthur Andersen as an Analista programador. From 2000 to 2006, Juan worked at Mediafusión España as an R&D Project Manager. Juan then moved on to Jet Multimedia España as a Director de explotación from 2006 to 2007. In 2007, they joined Yes.fm as a Director de sistemas until 2009. From 2009 onwards, Juan has worked at Telecoming, starting as a Systems Manager and moving up to roles such as Head of Engineering and currently serving as the IT Engineering Director.

Juan Calleja obtained a certification in AWS Solution Architect Professional in 2019 from Amazon AWS. Prior to that, they pursued a degree in Architect, DevOps, and Big Data from Amazon AWS, completing it in the period of 2007 to 2018. Juan also received training in Scrum Agile, although the specific dates and details of this training are not provided.