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François ChateauFC

François Chateau

Senior Tech Lead | Backend Node.js

€650/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About François

Node.js Backend Developer

Web developer since 2007, I have had the opportunity to work for, among others, Radio France, Photobox, and Dassault, primarily with a focus on quality and maintainability.

I am mainly backend-oriented (Node.js), with a pragmatic approach to tech projects.
I can support your teams in transitioning to a new stack, cleaning up/restarting your projects, advising on methodologies adapted to your needs, or ensuring technical debt is managed.

I am available via payroll forwarding.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 10km)

Experience

  • .
    Self formation on AI tools
    January 2026 - Today (7 months)
    • Self formation on AI tools: Ollama, LM Studio, OpenCode, OpenSpecs, pi.dev, huggingface.co
    • Chatbot based on Ollama
    Ollama AI Automation external-api-integration LM Studio JavaScript
  • .
    Personal projects / Familial support
    January 2024 - December 2025 (1 year and 11 months)
    Paris 17, France
    • Self formation on other languages (lua, golang)
    • Self formation on frontend frameworks (vue.js, svelte, fresh)
    • Self formation on backend frameworks (deno, koa, hono)
    • Specifications for a user friendly genealogy tool
    • AI dev tools survey
    • Video Game development
    • Various small projects
    Lua Deno AI Automation Video Creation
  • Heropolis (security solution)
    Senior Software Engineer Team Lead
    March 2022 - October 2023 (1 year and 7 months)
    • • API reforging to RestFull standard, Typescript
    • • User stories in gherkin format for E2E tests
    • • Deployment automation (Github actions & AWS like)
    • • API dockerization
    • • End to end testing via cucumber JS & Playwright
    • • Technical debt handling
    • • Tailwind CSS implementation

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Education

  • Bachelor of Technology
    ORT France
    2007
    Bachelor of Technology - BTech, Computer Engineering

Skill set

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