• Supported the transition to new data‑query methods in QlikSense for dashboards of Hubgrade, Veolia’s smart monitoring center at national level. Reduced more than 50% the duration and ressource usage of those daily/weekly ETL processes involving several dozens GB of data and provided reliability and consistency.• Provided support for data quality algorithms to implement auto‑adjustments in the datalake of the Veolia energy management platform eSight.

• Created and updated a Database in order to manage and store continuous flow of data at high speed rate from Vectioneer flagship Motorcortex, an industrial machine control platform via InfluxDB and Python.• Set up a visualization tool automatically updating the granularity of displayed data based on the time‑span selected by the user.