David Astafieff is a Data Engineer at Numberly (1000mercis Group) since September 2020. Previously, David completed an internship at AIRBUS DEFENCE AND SPACE SAS CIS in September 2019, participating in INNOJAM 2019, where a team project focused on developing a Blockchain "as a service" for the SAP platform. Additionally, David worked as a developer in a research center at Université polytechnique d'automatique et d'ordinateur de Bucarest from June to August 2019, creating a Python application for visualizing data from photovoltaic panels and a weather station. David holds an engineering degree from ESIGELEC, obtained in 2020.