We are seeking a Senior PHP/React Developer to join our remote freelance team in Casablanca. The role focuses on enhancing our document dematerialization platform, leveraging Symfony, MariaDB/PostgreSQL, MongoDB, and RabbitMQ. You will design asynchronous systems, perform reverse engineering on legacy code, and collaborate with cross‑functional teams to consolidate backend services. Strong documentation, unit/integration testing, and migration skills are essential. Fluency in French is required. This freelance position offers flexibility, remote work, and the opportunity to contribute to cutting‑edge digital transformation solutions.