Full Stack Engineer – AI SaaS (Contract)

Join an exciting project to build a production-ready SaaS MVP integrating advanced AI features. This role requires end-to-end ownership of the development process, from initial concept through deployment. The product will feature a custom, responsive frontend, a robust backend, Stripe-powered subscription billing, multi-role authentication, and a core AI-driven capability. You will collaborate on defining the AI integration, ensuring the platform is scalable, secure, and ready for future enhancements. Deliverables

• Develop a custom frontend using Next.js, TypeScript, and Tailwind CSS
• Build a REST API backend with Node.js and Express for authentication, business logic, and database operations
• Integrate Stripe for subscription billing, including plan selection, webhooks, and customer portal
• Implement multi-role authentication (user, admin) and an admin dashboard with analytics and user management
• Integrate AI features using OpenAI or Anthropic APIs as defined during the project
• Set up deployment pipelines for Vercel (frontend) and Railway or Render (backend), with secure environment configuration
• Provide clean, well-documented code and a comprehensive handover package for future maintenance and extension

Requirements

• Proven experience delivering live SaaS projects from concept to deployment
• Strong proficiency with Next.js, TypeScript, Tailwind CSS, Node.js, and Express
• Experience integrating Stripe for subscription billing, including handling webhooks and customer portals
• Familiarity with multi-role authentication and building admin dashboards
• Hands-on experience with AI API integration (OpenAI, Anthropic, or similar) in a multi-tenant SaaS environment
• Proficiency with PostgreSQL or MongoDB, with the ability to recommend the best fit for the project
• Experience deploying applications on Vercel, Railway, or Render, with secure environment management
• Ability to write clear documentation and deliver a thorough project handover
• Strong problem-solving skills, attention to detail, and ability to work independently on a contract basis
• Availability for part-time, contract work and ability to start immediately

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