Senior Full Stack Developer for AI Enterprise App

We are seeking an experienced Full Stack Developer to architect and build the foundation of a new enterprise Artificial Intelligence software application. This platform will integrate advanced large language models to automate complex business workflows. The ideal candidate must have deep expertise in building scalable web applications using Next.js, Node.js, PostgreSQL, Supabase, and Stripe. This project requires a developer who can handle the complete engineering lifecycle, from database design to secure subscription billing. You will be responsible for creating a seamless user experience while ensuring the backend infrastructure can support intensive data processing and secure integrations. Key Responsibilities: Architect and develop a highly responsive frontend utilizing Next.js. Build robust and secure backend API services using Node.js. Design and optimize complex relational database schemas in PostgreSQL. Implement secure user authentication and robust data storage solutions using Supabase. Integrate Stripe to manage tiered subscription billing and recurring payment processing. Ensure the application is highly secure and follows all modern web development standards. Write clean, maintainable, and well documented code across the entire technology stack. Required Skills and Qualifications: Extensive professional experience developing web applications with Next.js and Node.js. Strong proficiency in designing and managing PostgreSQL databases. Proven track record of integrating Supabase for authentication and backend services. Experience implementing comprehensive Stripe billing solutions for recurring subscriptions. Excellent problem solving skills and meticulous attention to detail. Clear communication skills and the ability to work effectively in a remote environment. Project Deliverables: Complete setup of the development environment and foundational repository. Implementation of the authentication flow and user management system. Integration of the core database schemas and API endpoints. Development of the subscription billing portal. Deployment of the initial minimum viable product to a staging environment.