Full-stack Developer for SaaS Web Application

I’m looking for an experienced full-stack developer or small development team to build and maintain a production-ready SaaS web application. The project will include: - Modern responsive frontend - Secure backend and REST APIs - User registration, login and role-based access - Database design and integration - Admin dashboard - Third-party API integrations - Payment/subscription integration where required - AI/LLM integration where applicable - Notifications and email workflows - Secure authentication and data protection - Deployment, testing and documentation Preferred technologies include React/Next.js, Node.js or Python/FastAPI, PostgreSQL/MongoDB, REST APIs, Git and cloud deployment. I’m open to recommendations if you have a better architecture. I’m looking for someone who can understand requirements, suggest a scalable architecture, communicate clearly, and deliver the project in milestones. Please share relevant SaaS projects you have built, your preferred technology stack, estimated timeline, and milestone-based pricing.