Samuel Sanchez Castillo

Samuel Sanchez Castillo is an experienced Android Senior Developer with a strong background in financial applications and mobile development. Currently at Valid since August 2022, Samuel focuses on innovative feature development to enhance user experience. Previously, Samuel worked at Paytrack Corp from April 2017 to June 2022, leading the development of a comprehensive Android application for an airline project. Samuel's freelance work with Workana involved extensive collaboration with international clients, showcasing advanced expertise in Java and the Android SDK. Additionally, Samuel has experience as a programming advisor for APPS.CO and has contributed to mobile and web applications at Coagronorte LTDA. Samuel holds a specialization in quality methodologies for software development and a degree in software analysis and development from Servicio Nacional de Aprendizaje (SENA).