Student Management Portal Development

I want to build a web-based portal that lets four different user groups sign in and work inside a single system.

Role structure
• Super Admin – their job is limited to user management only. They must be able to create, edit, suspend or delete any account in the platform.
• Admin – they also handle user management, but only within the scope we define (for example, their own campus or department).
• Staff – once logged in they need two working modules: student management (add / update student profiles) and attendance tracking (mark daily attendance, review history, export basic reports).
• Others – this is simply a basic login / logout role for now; we will decide later if they need extra permissions, so the architecture should keep that door open.

Core expectations
– Secure sign-up, login and logout flows for all roles.
– Role-based dashboards showing only the tools each role needs.
– Clean UI that works on desktop and mobile.
– Source code, database schema and a short deployment guide so I can host it myself.

I am open to your choice of tech stack as long as it is mainstream, well-documented and easy for a small in-house team to maintain.

When you bid, please outline:
1. The framework or language you propose.
2. Estimated timeline to deliver a first working version.
3. Any similar portals you have built that I can look at.

I will review code quality, security of authentication, and how clearly the role permissions map to the requirements above before accepting the final hand-over.