Multiple roles, Bouygues Telecom Β· Freelance Jul 2017 β Present Roles: Principal Engineer, Sr. Product Lead. Principal engineer for France's 2nd largest telco (23M 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: 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. Stack: Google Conversational Agents, CloudRun, RAG, Python, GraphQL, OpenAPI. Try it out Β· LinkedIn Disco: genAI Γ enterprise graph 2023 β Present 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.