Celso de Sá is a Full Stack Ruby on Rails Developer currently employed at PostPilot since January 2023. Prior to this role, Celso worked as a Full Stack Jr Ruby on Rails Developer at Leadster from October 2021 to December 2022. Celso's academic background includes studies at Estácio from 2011 to 2013 and a student exchange program at Nantes Université in 2005-2006, focusing on Langues Étrangères Appliquées (Applied Foreign Languages).