eSchoolSaaS is a multi-tenant School ERP and Website CMS designed to help educational institutions manage their academic, administrative, and financial operations from a single platform. I led the architecture, development, and implementation of the system, focusing on scalability, security, and performance. Key Features: Multi-school (multi-tenant) architecture Student, teacher & staff management Admissions & attendance management Fees, accounting & payroll Examination & result management Timetable & transport management Website CMS for each school Role-based access control REST APIs & mobile app support Role: Full Stack Developer Technologies: Node.js, Express.js, React.js, PostgreSQL, Flutter, JWT Authentication, Docker, AWS, Git