Gamified Educational SaaS Web Platform Development

Project Overview:
This is a comprehensive gamified educational platform focused on mental math training (Abacus, Vedic Maths, etc.) along with institute management features.

This is NOT a basic website — it is a feature-rich SaaS-style application with student, admin, and gamification systems.

Core Functional Requirements
1. User Authentication
Google OAuth login
Role-based access (student/admin)
User profiles and dashboards

2. Mental Math Practice System
Timed quizzes with multiple operation types
Difficulty levels
Instant scoring and analytics
Practice session history

3. Custom Practice Paper Generator
Create question papers using configurable blocks
Multiple math operation types
Preview before generation
PDF export functionality
Live Question Paper Attempt Functionality

4. Gamification System
Points system
Leaderboards (weekly & overall)
Badges & rewards
Daily streak tracking

5. Student Dashboard
Performance analytics
Practice history timeline
Leaderboard rankings
Rewards display

6. Admin Management Features
Student profile management
Attendance tracking system
Fee management & payment tracking
Student ID assignment
Institute branch management

Preferred Tech Stack (Flexible)
Frontend: React + TypeScript
Backend: FastAPI / Node.js
Database: PostgreSQL
Authentication: OAuth (Google login)

PDF generation capability required
Developers may propose alternative stacks if justified.

Scope Level
This is a large-scale, production-grade application involving:
Multiple user roles
Complex business logic
Relational database design
Admin ERP features
Gamification engine
Dynamic content generation

What I Need From You
Please include in your bid:
Estimated total development cost (For 1. Above Mentioned Functionalities 2.An Android and IOS Mobile app for the same)
Estimated timeline
Team size required (if any)
Similar projects completed (if available)
Suggested tech stack (optional)

Only Serious and detailed bids will be entertained.
Attached: Examples of what the site should be like

Thank you!