Full Stack Engineer – AI SaaS (Contract)

About the role

We are looking for a contract Full Stack Engineer to build a production‑ready SaaS MVP that incorporates advanced AI capabilities. You will own the development from concept through deployment, delivering a responsive frontend, robust backend, Stripe billing, and multi‑role authentication.

Key responsibilities

• 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 interactions.
• Integrate Stripe for subscription billing, including plan selection, webhooks, and a customer portal.
• Implement multi‑role authentication (user, admin) and create an admin dashboard with analytics and user management.
• Integrate AI features via OpenAI or Anthropic APIs as defined during the project.
• Set up deployment pipelines on Vercel (frontend) and Railway or Render (backend) with secure environment configuration.
• Provide clean, well‑documented code and a comprehensive handover package for future maintenance.

Required profile

• Proven experience delivering live SaaS projects from concept to deployment.
• Strong problem‑solving skills and attention to detail.
• Ability to work independently on a part‑time contract basis and start immediately.

Required skills

• Next.js
• TypeScript
• Tailwind CSS
• Node.js
• Express
• Stripe integration (including webhooks)
• Multi‑role authentication and admin dashboard development
• OpenAI or Anthropic API integration
• PostgreSQL or MongoDB
• Vercel, Railway or Render deployment