Senior Full-Stack Developer for SaaS/E-commerce MVP

We are looking for a senior full-stack developer or small technical team to support a confidential MVP project for a connected SaaS/e-commerce platform.

The project includes:
- A corporate service website
- An e-commerce website with Stripe payments
- An admin dashboard for managing products, content, users, and an AI-powered workflow
- API integrations with third-party AI and media providers
- Deployment, Docker setup, GitHub workflow, and documentation

We need someone who can help with technical planning first, then Phase 1 implementation.

Required skills:
- Next.js or React
- Node.js/NestJS or Python/FastAPI
- PostgreSQL
- Stripe
- Authentication/admin dashboards
- Docker deployment
- API integrations
- GitHub workflow
- Technical documentation

Nice to have:
- OpenAI API experience
- Live chat or streaming integrations
- SaaS architecture
- E-commerce experience

This is a confidential white-label project. More details will be shared after initial screening and NDA/confidentiality agreement.

Please answer:
1. Are you a solo developer or team?
2. What stack would you recommend?
3. Have you built SaaS dashboards before?
4. Have you integrated Stripe before?
5. Have you worked with AI APIs?
6. Can you help prepare a technical scope document before development?
7. What is your estimated timeline and budget for an MVP like this?