Full-Stack AI & SaaS Developer (React & Node.js)

About the role

We are looking for a highly skilled Full‑Stack AI Developer to drive the development and scaling of our SaaS platform. You will bridge cutting‑edge AI capabilities with a robust, production‑ready infrastructure, delivering intelligent user experiences and resilient backend services.

Key responsibilities

• Design and deploy multi‑agent AI workflows, Retrieval‑Augmented Generation pipelines, and LLM orchestration, including vector databases and semantic search.
• Build dynamic front‑ends with React (or Next.js) and ensure exceptional UX/UI, while architecting scalable Node.js (Express or NestJS) microservices for complex SaaS logic.
• Implement multi‑tenant architectures, subscription handling, authentication, and integrate third‑party services such as Stripe, analytics, and messaging APIs.
• Optimize performance across rendering, database queries, and async API interactions; maintain data integrity in PostgreSQL, MySQL, MongoDB and Redis; collaborate on DevOps using Git and cloud platforms (AWS, GCP, Supabase).

Required profile

• Product‑first mindset with strong problem‑solving abilities.
• Self‑driven and comfortable in fast‑paced, agile or remote environments.
• Commitment to clean, reusable, well‑tested code.

Required skills

• React.js, Next.js, TypeScript, HTML5, CSS3, Redux or Context API.
• Node.js, Express.js, NestJS, JavaScript/ES6+.
• PostgreSQL, MySQL, MongoDB, Redis.
• AI frameworks such as LangChain, LangGraph, OpenAI/Anthropic SDKs.
• Vector databases: Pinecone, pgvector, Milvus.
• Cloud services: AWS, GCP, Supabase.
• Payment integration with Stripe.