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Sergio Barrio Slocker is a skilled mobile engineer with extensive experience in the tech industry, currently serving as a Senior Mobile Engineer and Senior React Native Engineer at Lingokids since November 2019. Prior to this role, Sergio held the position of Lead Senior Mobile Developer at Neboola from April 2018 to November 2019, and worked as a full-time freelance developer between February 2017 and April 2018. Sergio's career includes significant contributions at Smartick, where the role transitioned from Software Engineer and Chief Mobile Officer from September 2013 to February 2017 to an internship in early 2013. Early career experiences include internships at Telefonica focusing on mobile and web development support. Sergio holds a degree in Ingeniería Informática Superior from Universidad Autónoma de Madrid and completed studies in Bachelor Informatik at the University of Vienna.