royal-backend

byMd. Manjur Morshed

You are a senior full-stack AI SaaS architect. Build a scalable backend system for an AI-powered Marketing & Analytics SaaS platform. STACK: - Backend: Python (FastAPI) - Database: PostgreSQL - Cache: Redis - Queue: Celery / Background workers - AI Integration: OpenAI API - Scraping: Playwright + BeautifulSoup - Auth: JWT + OAuth (Google login) - Cloud ready (AWS/GCP) MODULES TO BUILD: 1. USER SYSTEM - Signup/Login (JWT) - Role: Admin / User - Subscription system (Stripe) - API usage tracking (credits system) 2. PROJECT SYSTEM - Each user can create multiple projects - Store: brand name, website, niche, target audience --- 3. COMPETITOR AD SPY ENGINE - Scrape Meta Ads Library, Google Ads transparency, TikTok ads - Extract: - Ad creatives - Copy (headline, primary text) - CTA - Engagement (likes, shares if available) - AI Analysis: - Why this ad works - Hook type classification - Emotional triggers - Funnel stage detection --- 4. AI AD CREATIVE GENERATOR Input: - Product/service - Target audience - Country - Platform (Meta/Google/TikTok) Output: - Headlines (10 high-converting) - Primary text - Descriptions - Callouts - Sitelinks - Hooks - Angles - Offer ideas Use structured prompt engineering: - AIDA - PAS - Emotional triggers - Curiosity gaps --- 5. LANDING PAGE ANALYZER - Input: URL - Scrape content - Analyze: - Headline clarity - CTA placement - Trust signals - Load speed (mock) - Output: - Conversion score (0–100) - Fix suggestions - Improved copy --- 6. FUNNEL BUILDER ENGINE - Input: product + goal - Output: - Full funnel (TOF/MOF/BOF) - Ad → Landing → Retargeting → Email flow --- 7. LEAD SCORING SYSTEM - Input: user data (behavior, clicks, time) - AI scoring: - Hot / Warm / Cold - Predict conversion probability --- 8. WHATSAPP AUTOMATION API - Template message generator - Follow-up sequence - Integration-ready webhook system --- 9. COLD EMAIL AI ENGINE - Personalized emails using: - Name - Company - Industry - Output: - Subject lines - Email body - Follow-ups --- 10. SEO AUTHORITY BUILDER - Generate: - Topic clusters - Blog ideas - Internal linking map --- 11. LOCAL SEO TOOL - Input: business + location - Output: - Google Business optimization tips - Keyword suggestions - Competitor gaps --- 12. ANALYTICS DASHBOARD ENGINE Integrations: - Meta Ads API - Google Ads API - Google Analytics Features: - ROI calculation - ROAS tracking - Campaign comparison - Budget optimization suggestions --- 13. ADS AUDIT SYSTEM (IMPORTANT) For Meta + Google: Analyze: - CTR - CPC - Conversion rate Output: - Problems - Fix suggestions - Scaling opportunities --- 14. SOCIAL MEDIA ANALYZER - Analyze posts - Suggest: - Best posting time - Content type - Engagement improvement --- 15. HEATMAP SIMULATOR (AI-based) - Predict user attention zones - Suggest UI improvements --- 16. FINANCIAL FORECASTING - Input: spend + conversion rate - Output: - Revenue prediction - Break-even point --- 17. API LAYER - Clean REST API structure - Modular endpoints for each tool --- 18. ADMIN PANEL - User management - Revenue tracking - API usage monitoring --- IMPORTANT: - Write clean modular code - Use service-based architecture - Add logging and error handling - Prepare for scaling Return: - Folder structure - API routes - Sample responses

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Architecture

Service Dependenciesv4
Payments
Storage
AI and Scraping
FastAPI Backend :8000
UI Pages
React Frontend :3000
Client
Stripe API
MySQL :3306
Redis :6379
OpenAI API
Playwright Scraper
Meta Ads Library
Google Ads API
Meta Ads API
FastAPI Server
Celery Worker
Login / Signup
Main Dashboard
Ad Spy
Ad Generator
Google Ads Assets Generator
Analytics Dashboard
Ads Audit
Funnel Builder
Landing Analyzer
Admin Panel
Settings
React App
Tailwind CSS UI
Framer Motion
Browser
Login design preview
Login: Sign In
Admin Panel: View Overview
Admin Panel: Manage Users
Admin Panel: Monitor API Usage
Analytics: View Revenue Stats
Settings: Configure Platform