François Chateau

Senior Tech Lead /Engineering Manager JS / AI dev

Salary / Daily rate

Paris, France

Mobility: Brussels, Amsterdam

Freelance, open to permanent contract

Can come onsite

Skills

NodeAICoachingBackend DevelopmentTest DesignFullstack DevelopmentJavascriptTailwind CSSVueSvelteRedisCSSReduxExpressMongoDBAWSLinuxBackend DeveloperTech LeadGitESP32DockerRESTful APIsGraphQLGitHubPlaywrightGitLabTypescriptEngineering ManagerDaVinci ResolveLearning & DevelopmentDesign ThinkingChange ManagementHTMLRaspberry PiConsulting ITLLMs / Large language models

Languages

French (Native)English

About me

Intro

Senior Full-stack Lead with 10+ years expertise in JS/Node.js, and team leadership. Proven track record reducing technical debt, implementing CI/CD automation, and modernizing codebases at scale for foodtech and security companies. Specialized in backend development with focus on best practices and project management.

Links

Work experience

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Jan 2024 - Present

2 years 10 months

Paris, France

Self formation on AI tools

Jan 2026 - Present

10 months

Paris, France

• Self formation on AI tools: Ollama, LM Studio, OpenCode, OpenSpecs, pi.dev, huggingface.co • Development of AI chatbot

Personal projects / Familial support

Jan 2024 - Dec 2025

2 years

Paris, 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

Senior Software Engineer Team Lead

Heropolis

Mar 2022 - Oct 2023

1 year 8 months

Paris, France

As a senior team lead for Heropolis (security solution), I pushed forward to bring technical debt handling, unit & e2e testing (jest, gherkin, cucumber, playwright), codebase maintenance (node.js, mongoDB) and update to recent standards (Rest, Typescript, tailwind), deployment automation (Github actions, docker, aws compliant servers) and overall best practices from both a technical (clean code) and project-wise standpoint (user stories). I also wrote a role-playing game for team building.

Senior Technical Lead

Nestor

Jun 2018 - Mar 2021

2 years 10 months

92300 Levallois-Perret, France

As a Team Lead for Nestor Paris (foodtech), I first added the required toolset, methods and processes to work as a team, such as getting the most of the AWS services (CI/CD), cleaning/renewing the main website for React/Redux (with Typescript) and GatsbyJS, updating the main API (Node v10/14) with GraphQL/Apollo and Fastify, creating an R&D IoT solution (temperature probes with ESP8266/Raspberry), making sales interfaces on tablets for onsite customers, made docker containers for local dev environments and updated the backoffice using vue.js. I also handled several aspects of network/hardware-related problematics.

Senior Software Engineer (Neolynk)

Quinten

Sep 2017 - May 2018

9 months

Paris, France

Amongst data scientists for Quinten (datascience related products), as an external senior web developer/manager, I created data visualization interfaces for machine learning-based services (mainly clustering) using django, react.js and redux. I guided toward best coding practices, CI/CD implementation, and I also tutored versioning workshops for data scientists (Github) and managed web projects.

Project Lead Developer (Neolynk)

Photobox

Mar 2017 - Aug 2017

6 months

Paris, France

As an external senior lead developer/architect for Photobox, I created data handling interfaces, Adobe Illustrator native format parser, and new formats validation workflows using react & redux.

Frontend Engineer (Neolynk)

Dassault Exalead

Oct 2016 - Mar 2017

6 months

Paris, France

As an external lead web developer for Dassault/Exalead, I reforged from scratch a complex network diagram-based tool for investigations, using react.

Full Stack Engineer (Neolynk)

Radio France

Mar 2016 - Oct 2016

8 months

Paris, France

As an external web developer for Radio France, I created several internal tools for analytics handling, data transformation, video/audio playback, using jQuery, react and javascript. I also helped update/debug the main article editor used by journalists. I also showcase several alternative to jQuery

Full Stack Engineer

Netmessage - Digital marketing solutions

Aug 2013 - Dec 2015

2 years 5 months

Paris, France

As a fullstack developer for Netmessage (email/fax/sms message broker), I reforge the main platform used for various messaging campaigns (SMS/email) from PHP/MySQL toward modern standards using expressJS / node.js, MongoDB and javascript. I managed the architectural preparation, design, conception for the new platform alongside performance balancing, optimizations research, and solution.

PHP Developer

Arthur Media Group

Feb 2012 - May 2012

4 months

Paris, France

As a web developer (PHP/vanilla JS) for Arthur Media Group (mailing), I created several internal tools, mainly to automate the retrieval of the mailing data

Web Developer

Kernix

Aug 2011 - Dec 2011

5 months

Paris, France

As a web developer (PHP/js) for Kernix (e-commerce), I used the internal tool based upon PHP/prototype.js, created customer content, and design customers' websites (using less.css).

Développeur PHP/Java/Web

achatpublic.com

Nov 2007 - Jul 2011

3 years 9 months

Paris, France

As a web developer (PHP/Java) for AchatPublic.com (digital handling of legal processes), I created several internal tools and reforged the legal validation platform.


Education

ORT France

Bachelor of Technology - BTech

2006 - 2007

1 year 1 month

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