Guillaume FORTAINE

Pilotage et développement de projets innovants en IA Générative (GenAI) et LLM pour un client international. Expertise en développement backend Python (IA), frontend React/Next.js, architecture GenAI et déploiement Cloud Azure (DevOps). Approche Agile/Scrum. Réalisations & Compétences Clés : • Développement d'Agents IA & Chatbots: - Conception et création de l'agent e-commerce Boxy (client RAJA): multimodal (texte/voix/image), utilisant LangChain (Tool Calling) & Algolia pour recommandations produits. (Démo: https://www.raja.fr/votre-assistant-emballage_cms_000237.html) - Développement de chatbots/voicebots internes (RH, IT) basés sur RAG. • Maîtrise de l'Écosystème LangChain: - Implémentation de pipelines RAG avancés (Python) avec LangChain, Azure OpenAI & bases vectorielles (pgvector, Azure AI Search). - Orchestration de systèmes multi-agents complexes avec LangGraph. - Utilisation systématique de LangSmith pour le debugging, traçage, évaluation et monitoring des applications LLM. • Développement Full Stack: - Backend: APIs robustes et scalables avec FastAPI (Python) pour services IA. - Frontend: Interfaces Next.js/React.js responsives et multimodales (TTS/STT, image). • Cloud & DevOps (Azure): - Déploiement conteneurisé (Docker) sur Azure Container Apps. - Mise en place et gestion de pipelines CI/CD Azure DevOps. - Gestion de l'authentification (Azure Entra). Environnement Technique Principal: Python | LangChain | LangGraph | LangSmith | FastAPI | Azure OpenAI | RAG | Vector DBs (pgvector, Azure AI Search) | React.js | Next.js | TypeScript | Azure DevOps | Azure Container Apps | Docker | Git | Agile/Scrum.

Maintenance et évolution du site intermarche.com en React via le framework Next.js. Garant de l'architecture applicative et de la stack technique. Amélioration continue de la WebPerf et des best practices. *Achievements -Migration Next.js v12 + CSS Modules @ scale (codemod) -Mise en place Lighthouse CI *Skills -Node.js -Varnish (ESI) -React.js / Next.js (SSR) -Docker -JavaScript -DevOps (GCP, K8s, GitLab CI/CD)

Ingenico is the global leader in seamless payment. Our team creates the new Merchant Service Hub for payments for APAC and SEPA regions, connecting payment devices around the world to customers thanks to the Cloud. Responsibilities * Responsible for the technical architecture of web portals * Development of the solution in ReactJS/Redux and Scala Technical environments * Micro-services architecture and according to reactive manifesto * ReactJS/Redux for the web portals * Scala, PlayFramework 2, Akka framework for micro-services * Kafka, ElasticSearch, Couchbase * SBT, Go ContinousDelivery, AWS, Docker, Mesos

*Resume​ Participation à l'effort de Refonte 2017 du site Web LCI.fr ​*Role -​​Develop cross-browsers & responsive new customer facing features in HTML, CSS and JavaScript (Vanilla) for a high traffic media Website (20 millions visitors / month, ranked in French Top 20 for media).​   ​*Technical Skills -Langages de programmation : JavaScript (Vanilla w/ ES6 & ES7 features) -Templating : Dust.js -Design web : HTML5 & AMP HTML, Less w/ CSS4 (PostCSS-cssnext) -Outil de versioning : Git w/ GitHub Flow -Outils de Bundling: Gulp, RequireJS -Others: Linux (Debian) & Shell (Bash)​ + npm scripts

*Resume Equipe Maquettage: http://www.priceminister.com/recrutement/?p=1 ​*Role -​​Develop cross-browsers (desktop & mobile) new customer facing features in HTML, CSS and JavaScript (Vanilla & jQuery Mobile) in a high traffic e-commerce Website (8 millions visitors / month, ranked in French Top 15 for e-commerce).​ -Work directly with project managers and development teams. -Ensure the improvement of products with the help of backend developers, UX designers and the Products Managers. -Work on the implementation of up-to-date JavaScript frameworks and concepts like ReactJS, ReduxJS and Universal Javascript (Server-Side Rendering) for the new Website fully responsive (codename: Canopy) ​*Technical Skills -Langages de programmation : JavaScript (Vanilla w/ ES6 & ES7 features) -Framework : conception MVC, framework orienté objet (ReactJS / Redux) -Design web : HTML5, CSS4 (PostCSS-cssnext) -SEO: JavaScript SEO -Outil de versioning : Git -Outil de Bundling: Gulp, Grunt, webpack 2 (w/ advanced features like Code Splitting - Async) -Testing: Jest & Enzyme -Others: Linux (Debian) & Bash

http://www.euratechnologies.com/emploi/fitizzy-lille-24-ingenieur-developpeur-informatique-react-developer-fitizzy-cdi/ ES2015+, Babel, Webpack ^2, React ^15 w/ MobX

http://get.slaask.com/team 1) Front-End ES2015+, Babel, Webpack ^2, React ^15 w/ MobX 2) Back-end Ruby on Rails

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