Ould Baba Ali, HananeBenzekri, A. (Supervisor)2025-05-062025-05-062024https://dspace.univ-boumerdes.dz/handle/123456789/1526834 p.This report describes the design and development of a mobile application for the Operational Interruption Center Information, OICI system for short. This system is a vital part of Sonelgaz Group’s infrastructure, Algeria’s national electricity and gas company.It is Aimed at streamlining the management of operational interruptions and enhancing real-time communication, the OICI system centralizes data and improves decision-making. The project has successfully delivered a robust solution that integrates key technologies such as Python Django Rest Framework for backend development, React Native for mobile frontend,and PostgreSQL for database management, enhancing e ffi ciency and responsiveness. Also reported the design process, challenges faced, so- lutions implemented, and future enhancement. This highlights Sonelgaz’s commitment to innovation and excellence in service delivery.enMobile applicationOperational Interruption Center Information (OICI)Thesis