Hello, I'm Bérangère 👋

Freelance Agent Engineer, I create reliable AI agents that automate your support, commercial qualification, and internal operations. My background as a Developer and QA Automation Engineer ensures tested and maintainable agents in production.

  • Trained via LangChain Academy — RAG, multi-agents, LangGraph
  • Production-ready architecture — Automated tests, monitoring, CI/CD
  • Complete stack — Python/FastAPI (backend) + Next.js (frontend)
  • QA Automation Engineer — 6 years of dev/test experience in IT services and startup
  • Fast delivery — Operational agents in 4-9 weeks
Portrait of Bérangère Gallais

My background

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Developer & QA Engineer

6 years in IT services and startup: full-stack developer and QA automation engineer, this dual expertise allows me to create robust, tested AI agents ready for production.

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Technical Writer

Experience in writing API documentation and AI systems. Each agent I deliver includes complete technical documentation (architecture, deployment, maintenance) and clear user documentation.

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Agent Engineer

LangChain Academy training (RAG, multi-agent systems, LangGraph). I create AI agents with document search (RAG), API integrations, and real-time streaming. Stack: LangGraph, FastAPI, Next.js

My approach

I deliver production-ready AI agents with backend + frontend + documentation + automated tests. Maintainable agents that reduce your costs and automate your support.

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Backend + Frontend + Tests

Complete architecture: FastAPI API, Next.js interface, automated tests. Commented code, versioned, deployable. You own the solution and are independent.

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Guaranteed reliability

My QA automation background: unit and integration tests, conversation monitoring, coverage report. Zero surprises in production.

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Documentation & Training

Complete technical documentation, team training, personalized follow-up. You remain independent with a maintainable solution.

Ready to create your AI agent?

Let's discuss your project and find the solution that fits your needs. Automated support, commercial qualification, interactive documentation,
I'll guide you from A to Z.

🎯 Custom AI Agent
📋 Code + Documentation + Tests
🤝 Complete solution