Multiple roles, Bouygues Telecom Β· Freelance Jul 2017 β Present Roles: Principal Engineer, Sr. Product Lead. Sr. Software Architect. Principal engineer for France's 2nd largest telco (32M customers) across multiple high-impact initiatives. Architected systems processing 15M+ daily requests, serving 1M+ end users, and supporting thousands internal users. Established local technical strategy and engineering standards through ADRs, API governance (OpenAPI), and infrastructure-as-code. Championed open-source culture with 3 widely-adopted projects. Mentored 30+ engineers across teams fostering craftsmanship and DX-first culture: Blast: E2E AI AppSec 2026 β Present Originated and integrated Blast, an agentic AI swarm of agents calibrated to scan and detect application vulnerabilities using SAST and DAST in safe and sandboxed environments. Integrated an Anthropic harness to our SDLC so that application maintainers can leverage it into discovering vulns as issues, up to the automatically-generated patches as merge requests. Claude: AI for employees 2026 β Present Delivering an integrated version of Claude Cowork to employees. Buffy: universal secure BFF 2025 β Present Delivered an access token sequestration and API gateway solution, designed to provide a unified and secure backend-for-frontend layer for all internal and public APIs. Dialog: universal AI UI 2025 β Present Tech Lead of a provider-agnostic multi-platform multi-modal (text, vision, voice) AI frontend used by various teams across the organization. Copilot: genAI sales assistant 2024 β Present Lead architect for production genAI assistant serving 1M+ monthly users, achieving 87% customer satisfaction and 23% increase in conversion rates. Architected hybrid AI/UX system processing XX daily conversations with <800ms P95 latency using RAG patterns and streaming responses. Designed fault-tolerant microservices on CloudRun with auto-scaling. Led Feature Team of 2 engineers, establishing API design standards, monitoring dashboards, and deployment practices. π Invited as Speaker to Google Cloud Next '25, Las Vegas, to showcase our integration. π£ Demoed our client use cases at the Google Cloud booth at the MWC Barcelona 2026. Stack: Google Conversational Agents, CloudRun, RAG, Python, GraphQL, OpenAPI. Try it out Β· LinkedIn Disco: genAI Γ enterprise graph 2023 β 2025 Originated and architected Disco, unified data discovery platform indexing 20+ internal services, reducing average information lookup time from days to seconds for 400+ internal users. Designed knowledge graph aggregating millions of entities with real-time updates, enabling natural language queries over heterogeneous data sources. Implemented adaptive multi-source query strategies helping users find relevant information faster. Reduced information average lookup time from hours to seconds. Stack: Astro, React, TypeScript, LangChain, Python, GraphQL, OpenAPI, GitLab, ServiceNow, Confluence. GraphQL: gateway to internal APIs 2021 β Present Architected company-wide GraphQL federation layer aggregating 700+ REST HATEOAS services into unified schema, processing 20M+ queries daily with 99.9% uptime. Reduced API integration time for client teams from weeks to hours. Resolved critical performance bottleneck by implementing query-specific data fetching patterns, reducing VIP invoice retrieval latency from 8+ seconds to under 500ms. Pushed for API governance standards (schema validation, deprecation policies) adopted across 10+ product teams. Built developer portal with interactive playground serving 200+ internal developers. Stack: GraphQL Java, Maven, GraphQL Mesh & Hive. Code repository Mcare: customer care app Jul 2020 β 2022 Lead Architect for mobile platform modernization serving 20M+ users. Led migration from dual native codebases to unified React Native architecture, reducing maintenance costs by 40% and accelerating feature delivery by 60%. Mentored cross-functional team of 8 mobile engineers through TypeScript adoption and modern React patterns. Established code review standards, automated testing (80% coverage), and CI/CD pipelines reducing deployment time from 2 weeks to 2 days. Architected offline-first data synchronization and crash monitoring achieving 99.7% crash-free sessions. Integrated with GraphQL gateway reducing API footprint by 60%. Stack: TypeScript, React Native, GraphQL. App Store Β· Google Play A7: CDN for front assets 2019 β 2023 Designed and implemented company-wide CDN serving 8M+ assets/day to 20+ front-end applications with 99.99% uptime (SLA). Reduced page load times by 8% and infrastructure costs by $$K/year. Architected high-performance Nginx-based reverse proxy with intelligent caching and smart version management. Open-sourced solution. Established as de facto standard for front-end shared assets distribution across organization. Stack: Nginx, NJS. Code repository ACO: customer care web app 2017 β 2020 Tech Lead for customer service platform serving 3,000+ support agents handling 1M+ customer interactions monthly. Reduced ticket resolution time by 22% through streamlined workflows and real-time data access. Led technical modernization from legacy Backbone to React/GraphQL microservices architecture on Kubernetes, improving deployment frequency from monthly to weekly and reducing production incidents by 30%. Built and mentored team of 14 engineers, establishing code quality standards (SonarQube gates), microfrontend architecture patterns, and CI/CD practices. Recruited 8 engineers defining the team tech culture. Stack: ReactJS, GraphQL, MobX, Docker, Kubernetes, Helm, Microfrontends, Gitlab CI, Sonar, TypeScript.
Partner, Enia Jan 2021 β Present Technical Partner for biogas marketplace platform. Architected geospatial matching system and AI-driven optimization tools. Enia accelerates the development of agricultural methanizers and bio-waste units. Leveraging a mapping of over 800 sources, Enia also supplies and manages 900kT of agricultural, industrial, and community bio-waste each year. Designed spatial indexing and proximity algorithms processing 10K+ daily queries across multi-dimensional criteria (volume, distance, composition). Built real-time availability tracking system integrating with logistics partners.
Founder & CEO, Codename Oct 2016 β Present Founded product studio building developer tools and SaaS platforms. Portfolio of 10+ open-source and commercial products. Focus on DX-first design, self-hostable solutions, and privacy-respecting architecture. ππππ: swarm AI delegation 2025 Open-source browser-native platform that enables everyone to delegate complex tasks to a swarm of AI agents with respect to user privacy, LLM provider independence, browser-run local AI models, dynamic team formation, and intelligent orchestration. π£ Invited as a Speaker to GitHub Universe '25, San Francisco, to showcase ππππ's agentic AI approach. Stack: Agentic AI, Transformers.js, WebGPU, HuggingFace, Vite, Docker. Try it out Stack: software made accessible 2025 Access a collection of 190+ curated open source software, packaged together for easy installation on your computer. This selection provides high-quality, self-hostable alternatives to popular software, carefully selected to be easy to use, secure, and privacy-respecting. π£ Invited as a Speaker to GitHub Universe '25, San Francisco, to showcase our agentic AI approach to develop Stack. Stack: Docker, Rust, Agentic AI, Astro. Try it out Papers: plain text editor 2024 Forget about the formatting, focus on the content. A plain text editor with a twist. Try it out Flow: visualize, adjust and arbitrate 2023 Developed a Sankey diagram generator to visualize key data flows. Try it out Dash: automated Docker dashboard 2023 Drop-in minimalist Docker dashboard with services auto-discovery Try it out Proptech & conversational Atlas: cartographic dataviz 2021 β 2022 Identify and qualify prospects based on geographic areas. Enable data visualization of geospatial data. View: automated real estate NLP 2021 Multi-source criteria-focused hyper-targeted house hunting experience. Bubl: your conversational agent 2019 β 2021 Build, test and share conversational assistants. Make your own private-by-design offline-first real time chatbot, with native support for multi-turn dialogs. Reva: real estate virtual agent 2016 β 2021 Architected conversational AI platform for real estate search processing 100K+ conversations. Built multi-turn dialog system with 85% intent recognition accuracy and seamless handoff to human agents. First production chatbot with deep MLS integration. π₯ Won Microsoft's 2017 Best Chatbot Technology Award. Shortlisted as key innovative proptech startup @ RENT 2017 . Scaled SaaS to enterprise customers (Nexity, Pierre & Vacances) with multi-tenant architecture supporting white-label deployments. Designed NLP pipeline for French real estate domain achieving 20% better results than generic models. Botml: chat markup language 2016 β 2020 Build scripted multi-turn dialog assistants with raw text and a bit of markup. Code repository
Co-founder & CTO, Sonetin Jun 2013 β Oct 2016 Co-founded and scaled enterprise social network SaaS to 60K+ users across 40+ organizations. Architected multi-tenant platform with 99.5% uptime. Built distributed engineering team of 4. Established technical vision, development practices, and scaling strategy supporting 10x user growth. Led R&D initiatives in NLP-based content recommendation (15% engagement increase), social graph analysis for collective intelligence, and ML-powered search relevance. Secured government R&D grants (JEI, CIR) for innovation program.
Tech Lead, then CTO, Etheryl Jan 2012 β Oct 2013 Led a major overhaul of the product: responsive design, mobile layout; migrated the solution from Rails 2.3 to 3.1. Successfully advocated for the role of CTO, gaining board approval.
Co-founder & CTO, Picuous Dec 2010 β Oct 2011 Designed and created a full-stack SaaS product from scratch in Ruby on Rails on Heroku and AWS platforms. My roles included the solution design, its development and infrastructure design.
Tech Lead, Accenture Jun 2010 β Jan 2012 Led distributed team of 4 engineers (offshore/onshore) for ErDF's COSY project serving 38,000+ employees. Architected SAP Enterprise Portal front-end solution.
Lead Developer, Kayboo Jan 2008 β Aug 2010 Designed and developed the User Interface of the freelance marketplace service. This implied a lot of Ruby on Rails and jQuery efforts.
Software Engineer, Accenture Aug 2007 β Jun 2010 Delivered enterprise HR portals for Air France (60K+ employees) and Disney using SAP NetWeaver. Designed responsive front-end architecture improving mobile accessibility. Established code quality standards and testing practices adopted across 3 project teams.
Web Developer, IBM Feb 2007 β Jul 2007 Maintained a custom PHP solution for the French Ministry of Economy and Finance.
Web Developer, SEIO 2004 β 2007 Designed and developed websites, web apps and client/server software for multiple clients besides my engineering studies.Mainly using front-end technologies.
Application Designer Certification, MIT Apr 2010 As part of the Accenture Solutions Delivery Academy, I obtained this certification that focuses on Software engineering fundamentals, Application design, and Application testing in real world scenarios.