Sergio Sastre Florez

Sergio Sastre Florez has a diverse work experience in the field of software development, with a focus on Android development.

Sergio is currently working as a Lead Android Developer at appDev since June 2021.

Prior to this, Sergio worked as an Android Developer (extern) at Hermes Germany GmbH from January 2022 to June 2023.

Sergio also gained valuable experience as an Android Developer (extern) at AutoScout24 from June 2021 to December 2021, where they successfully implemented the new design of the search screen and integrated the leasing feature before a challenging deadline.

From 2016 to 2021, Sergio worked as an Android Developer at CHECK24 Vergleichsportal. During their tenure, they led the migration of the money-tracker app architecture to web sockets in compliance with the new PSD2 law for banking apps. Sergio also contributed to the development of other Check24 products like Versicherungscenter and Legal Insurance.

Before working at CHECK24, Sergio gained experience as a Software Developer at Bredex GmbH from January 2015 to January 2016, and as an Android Developer at Delivery Hero (Pizza.de app) from March 2014 to December 2014.

Sergio's work experience began in 2012 as a Software Engineer (Master Project) at Fraunhofer IESE (Institute for Experimental Software Engineering). Sergio contributed to a project for John Deer, where they extended an existing iOS app to run on a new tractor device, dealt with UI design and development using JavaFX, and assisted with the connection between the frontend and backend.

In 2011, Sergio worked as an ASP.NET and C# Developer at KATHO, where they contributed to a project for the university website involving web development using ASP.NET, C#, JavaScript, and CSS, as well as the development of SQL procedures.

Overall, Sergio Sastre Florez has extensive experience in Android development, with a range of skills and achievements in various companies and projects.

Sergio Sastre Florez completed their education in a chronological order. Sergio first attended the Universidad de Valladolid from 2006 to 2011. During this time, they pursued a degree in Ingeniero técnico en informática de sistemas, specializing in Ingeniería informática.

Afterward, Sergio enrolled in UPM and Technische Universität Kaiserslautern from 2011 to 2013. Here, they pursued a European Master on Software Engineering, studying to become a Software Engineer.

Additionally, Sergio obtained a certification as an Oracle certified associate, Java SE7 Programmer in June 2015 from Oracle.