We are looking for a Senior Backend Engineer to lead the design, development, and maintenance of our multi‑tenant SaaS platform. The role focuses on building scalable, high‑performance systems using Node.js, TypeScript, NestJS, and PostgreSQL. You will own core backend services, implement tenant isolation and access control, refactor legacy code, and ensure robust testing. Remote work is available, with occasional on‑site meetings in Casablanca. This position requires a Master’s level education, 6‑9 years of experience, and a passion for clean architecture and performance optimization.