Pierre-Antoine Caillaud

– Co-founder and Chief Technical Officer at AI SmartTalk, a cutting-edge AI startup focused on autonomous conversational systems and language process automation. – Oversaw the end-to-end design, architecture, and deployment of production-grade agentic platforms. – Led the development of large-scale AI agent frameworks with a strong focus on LangGraph.js and LangChain.js, building robust, composable workflows for reasoning, memory, and tool orchestration in JavaScript/TypeScript environments. – Designed and maintained reusable agent patterns including dynamic routing, branching logic, persistent state, and multi-step execution, leveraging LangGraph's custom nodes and event-driven flows. – Built modular LangChain.js-based tools integrated with OpenAI, LLAMA, Mistral, and third-party APIs, supporting both synchronous and asynchronous agent capabilities. – Architected full-stack microservice systems in Node.js/TypeScript with PostgreSQL and Supabase for durable memory and chat history, Prisma ORM, and Chroma for semantic retrieval (RAG). – Developed isolated agents in Python for experimentation and backend tasks requiring lightweight, standalone LLM capabilities with memory control and API chaining. – Delivered scalable infrastructure using Docker, RabbitMQ, and CI/CD pipelines (GitLab CI), with a fully containerized architecture enabling rapid testing and deployment of autonomous agents. – Oversaw frontend/backend communication via WebSockets, enabling real-time interaction and feedback loops with agents across distributed systems.

– Experienced in Middleware maintenance using Symfony 5 and PHP 8, focusing on integrating Akeneo API with TextMaster's web translation solution. – Expertise in API connectivity and data synchronization for streamlined content translation workflows.

– Freelance PHP Symfony Developer at Viaweb, specializing in REST API development for backend overhaul, ERP integration, and legacy application maintenance. – Skilled in project management with external clients, Docker environment setup and maintenance, and server deployment. – Technologies include Symfony, PHP, SQL, Elasticsearch, Docker, and shell scripting.

– Worked on the Onboarder application, which is designed to help control the collection of product information from suppliers and manufacturers.

– Participated in the creation of the recruitment website people4impact.com. – Unique developer on all the backend part.

– Created a new PHP API to improve data fetching, used by new projects within the company. – Integrated with the Marketplace team to develop Skoreway, a new application which manages chains of transportation.

– Developed several Symfony web Medico-social applications.

– Developed a reporting application to supervise incident management using PHP, Javascript and Bootstrap.