Full Stack Engineer

Location: Paris or Remote | Full-time or Freelance | Start date: September

We are looking for a Full Stack Developer with strong backend expertise to help us build and deploy custom AI-powered platforms for enterprise clients. You will work closely with our product and AI teams to deliver solutions that integrate document processing, structured data workflows, and advanced language model APIs (LLMs, RAG, etc.).

You will lead end-to-end development: from backend infrastructure to front-end dashboards and secure deployment.

• Design and implement robust APIs using FastAPI
• Build secure, scalable backend systems integrating AI agents (LLMs, RAG pipelines)
• Develop front-end interfaces with React, Next.js, and Tailwind CSS
• Implement authentication, role-based access control, and activity tracking
• Set up and maintain cloud deployments (Docker, AWS, Railway, or similar)
• Manage structured data storage using PostgreSQL
• Monitor and optimize LLM usage and performance
• Collaborate with AI engineers on data workflows and model integration

• Backend: Python, FastAPI, PostgreSQL
• Frontend: React, Next.js, Tailwind CSS
• AI Integration: LangChain, OpenAI SDK, Pinecone or equivalent vector DB
• DevOps: Docker, AWS / Railway
• Tools: Git, Slack, Notion

• 2–5 years of experience in backend or full stack development
• Strong skills in Python, REST APIs, and relational databases
• End-to-end project ownership from architecture to deployment
• Quality-driven with good practices in security and performance
• Deep interest in applied AI and client-oriented delivery

• Experience with LangChain, Pinecone, or custom RAG pipelines
• SaaS or B2B product deployment experience
• Knowledge of multilingual interfaces
• Familiarity with GDPR or data compliance in regulated industries

• Work on real-world AI products, not just prototypes
• Small, agile team focused on fast execution and tangible impact
• Opportunities to shape core technical architecture
• Flexible work environment, remote possible

Interested?

Send your resume and your Github to: [email protected]