Full Stack Engineer - AI Tools

About the role

A Full Stack Engineer works in a modern monorepo with a FastAPI backend and a Next.js frontend, integrating LLM providers to build intelligent features that improve how teams work.

Key responsibilities

• Build and maintain REST APIs using FastAPI
• Develop responsive, accessible user interfaces with Next.js and React
• Integrate, evaluate and optimise LLM provider APIs
• Design MongoDB schemas and write efficient async queries
• Write and maintain tests (pytest, React Testing Library)
• Take part in code reviews and contribute to architectural decisions

Required profile

• 4+ years of full-stack engineering experience
• Strong Python and TypeScript skills
• Experience with FastAPI (or similar async Python frameworks)
• Experience building with React and Next.js
• Solid understanding of REST API design and authentication patterns

Required skills

• Python 3.11+ and FastAPI
• Next.js 15+ (App Router), React 19, TypeScript
• MongoDB (Beanie ODM + Motor async driver)
• JWT authentication
• Nice to have: LLM API integration (OpenAI, Anthropic, Google, Azure), Tailwind CSS and shadcn/ui, enterprise tool development, async Python patterns