AI-Powered Social Media Automation Platform (SaaS)

I am looking for an experienced full-stack developer to build an AI-based social media automation web application.

Core Features Required:

• User registration & login
• Subscription/payment integration
• Business profile setup (industry, goals, posting frequency)
• AI content generation (captions, scripts, hashtags)
• Basic template-based design generator
• Social media integration (Facebook, Instagram, YouTube)
• Post scheduling system
• Admin dashboard

Technology Preferences:
• React / Next.js (Frontend)
• Node.js / Python (Backend)
• OpenAI API integration
• Social Media Graph API integration
• Stripe / Razorpay for payments

Important:
Developer must have previous SaaS or AI tool experience.

Please share:
• Portfolio
• Similar project links
• Timeline estimate
• Budget estimate