Quiz Platform (Q8M)

Q8M is a Vue 3 and TypeScript interview-prep platform with 500+ technical questions, gamification, social learning and bilingual EN/AR support.

Year: 2025
Type: Web app
Status: Archived

Archived — an older project kept as a case study.

Enterprise-Grade Quiz & Learning Platform - A comprehensive, production-ready interview preparation platform featuring 500+ technical questions, gamification, social learning, and advanced analytics. Built with Vue 3, TypeScript, and modern best practices.

📊 Project Scale & Impact:

🎯 Content Library: 500+ curated interview questions across Angular, React, Vue.js, Next.js, and Redux
👥 User Engagement: Social learning with friend system, challenges, discussions, and leaderboards
🎮 Gamification: XP system, 50+ badges, daily streaks, and achievement milestones
🌍 Global Reach: Full bilingual support (EN/AR) with RTL layout and localized pricing
💰 Monetization: Multi-tier subscriptions (Free, Junior, Intermediate, Senior, Bundle) with Stripe and PayPal
🔒 Enterprise Security: OWASP Top 10 compliant, PCI DSS certified, with TruffleHog secret scanning
✅ Quality Assurance: 561+ passing tests with comprehensive unit, integration, and E2E coverage
⚡ Performance: 95+ Lighthouse scores, PWA with offline support, optimized bundles

🛠️ Key Features & Capabilities:

📚 Learning Modes: Study mode, quiz mode, timed challenges, practice sessions
🛤️ Learning Paths: Curated certification-style paths (e.g., "Vue.js Foundations", "React Advanced")
👥 Social Features: Friend system, user search, friend suggestions, activity feeds
🎯 Challenges: Create custom timed quizzes, challenge friends, track leaderboards
💬 Discussions: Community Q&A with upvote/downvote, nested replies, mark as solution
🏆 Gamification: XP progression, level-up celebrations, unlockable badges, streak tracking
🤖 AI Features: Smart explanations, personalized study plans, question recommendations
📊 Analytics: Detailed progress tracking, performance metrics, XP breakdown, recent activity
🔖 Organization: Bookmark questions, take notes, resume interrupted sessions
🎓 Certificates: Generate completion certificates for learning paths
📱 Progressive Web App: Installable, offline-capable, mobile-optimized
🌐 Internationalization: Full English/Arabic support with RTL layout and cultural adaptation
💳 Payment Processing: Stripe, PayPal, APS, HyperPay with secure webhooks
🔐 Authentication: JWT + refresh tokens, OAuth (Google/Apple), email verification
♿ Accessibility: WCAG AA compliant, screen reader support, keyboard navigation

🏗️ Technical Architecture & Achievements:

Monorepo Structure: Client, server, and shared packages with pnpm workspaces
Type Safety: 100% TypeScript strict mode with 4-layer error prevention (IDE → pre-commit → pre-push → CI)
Testing Excellence: 561+ passing tests (Vitest + Playwright) with comprehensive coverage
CI/CD Pipeline: GitHub Actions with type checking, linting, testing, security scanning, and build verification
Code Quality: ESLint strict rules, Prettier formatting, Husky git hooks, conventional commits
Security Scanning: TruffleHog secret detection, dependency auditing, OWASP compliance
Performance Optimized: Code splitting, lazy loading, CDN assets, service worker caching
Database Design: MongoDB with Mongoose, comprehensive migrations, optimized indexes
State Management: Pinia stores with persistence, reactive updates, devtools integration
API Design: RESTful endpoints with Swagger documentation, rate limiting, error handling
Feature Modules: 20+ feature modules (auth, quiz, study, friends, gamification, paths, etc.)
Component Library: 50+ reusable UI components with consistent design system

🎨 Design & User Experience:

Modern, responsive design with Tailwind CSS custom utilities
Smooth animations and transitions (confetti celebrations, level-up animations)
Intuitive navigation with breadcrumbs and progress indicators
Dark mode support (planned) with theme persistence
Mobile-first approach with touch-optimized interactions
Toast notifications for real-time feedback
Loading skeletons for improved perceived performance
Error boundaries with user-friendly error messages

My Role

Lead Full-Stack Developer & Technical Architect
Conceived, designed, and built the entire platform from ground up as a solo developer:

🏗️ Architecture: Designed scalable monorepo architecture with shared types, Vue 3 frontend, Fastify backend
💻 Frontend Development: Built 20+ feature modules with Vue 3 Composition API, TypeScript strict mode, Pinia state management
🗄️ Backend Engineering: Developed RESTful API with Fastify, MongoDB database design, JWT authentication, OAuth integration
🎮 Gamification System: Implemented complete XP/leveling system, 50+ badges, streak tracking, leaderboards
👥 Social Features: Built friend system, challenges, discussions with nested replies, user search
💳 Payment Integration: Integrated multiple payment gateways (Stripe, PayPal, APS, HyperPay) with webhook security
🛤️ Learning Paths: Created structured learning path system with progress tracking and certificate generation
🌐 Internationalization: Implemented comprehensive bilingual support with RTL layout, localized pricing, cultural adaptation
🔐 Security Implementation: Configured enterprise-grade security (OWASP compliance, rate limiting, CSRF, CSP headers, secret scanning)
📱 PWA Development: Built progressive web app with service worker, offline support, installability
♿ Accessibility: Ensured WCAG AA compliance with screen reader support, keyboard navigation
🧪 Testing & Quality: Wrote 561+ tests (unit, integration, E2E), set up comprehensive test coverage
⚙️ DevOps & CI/CD: Configured GitHub Actions pipeline with automated testing, linting, type checking, security scanning
📊 Analytics Dashboard: Developed advanced analytics with progress tracking, performance metrics, recommendations
🎨 UI/UX Design: Created responsive design system with 50+ reusable components, animations, loading states
📚 Documentation: Wrote comprehensive documentation (architecture, API, deployment, troubleshooting)
🚀 Performance Optimization: Achieved 95+ Lighthouse scores through code splitting, lazy loading, bundle optimization
🔄 Type Safety: Implemented 4-layer type error prevention system preventing any type errors in production

Technical Leadership & Best Practices:

Established strict code quality standards with zero ESLint warnings policy
Implemented conventional commits with automated changelog generation
Created reusable project bootstrap toolkit for future projects
Documented architectural decisions and technical patterns
Ensured production-ready code with comprehensive error handling

Vue 3.4+
TypeScript 5.6+
Pinia 2.1+
Vue Router 4.2+
Vue I18n 9.8+
Tailwind CSS 3.4+
Vee-Validate 4.11+
Zod 3.22+
VueUse 13.9+
Headless UI
Heroicons
Canvas Confetti
Vite 5.4+
Vitest 2.1+
Playwright 1.40+
ESLint 9.11+
Prettier 3.3+
Husky 8.0+
Fastify 4.24+
Node.js 18+
MongoDB 5.0+
Mongoose 8.0+
Redis 4.6+
JWT
HTTP-Only Cookies
OAuth (Google/Apple)
Firebase Admin
Stripe
PayPal SDK
APS Gateway
HyperPay
GitHub Actions
TruffleHog
Lighthouse CI
Docker
pnpm Workspaces
Service Worker
PWA
Web Vitals
Code Splitting
Lazy Loading