
Arnaud Leymet
Senior Architect, Principal Engineer, Bouygues Telecom (freelance)
Paris, France
Actions
A dedicated Senior Solutions Architect & Staff Engineer with a proven ability to lead projects and drive software development initiatives. I thrive in dynamic environments, leveraging my strong technical skills, deep product knowledge and collaborative approach to drive innovation and deliver composable and impactful solutions.
Links
Area of Expertise
Topics
GraphQL federation on top of 1700+ swaggers
Large enterprises often benefit from numerous teams executing a wide array of operations, each with its own specifications. Bouygues Telecom in France is a prime example, boasting over 1,700 swagger endpoints (and counting). This diversity often leads to challenges such as path and schema conflicts. We will demonstrate to our audience how we overcame these obstacles by leveraging the guild's comprehensive toolkit to create a unified Knowledge Graph that serves our entire enterprise.
Agentic AI: Harness Conversational Agents to virtually reproduce a salesperson that converts
Bouygues Telecom, a leading French telcommunications company, offers phones, mobile plans, and fixed lines through its stores, website, and now with the assistance of an automated generative AI assistant.
This assistant guides prospects and customers all the way to the checkout, helping them find their ideal phone and mobile plan.
We employed a generative AI strategy, utilizing Large Language Models (LLMs) and meta-prompting to create this autonomous assistant.
In this session, we'll explore the steps we took to achieve this and share our blueprint to empower the audience to replicate our success.
Agentic AI: Harness GraphQL to Build an Unified Internal Knowledge Graph
Teams excel in their internal projects, but sharing these accomplishments and facilitating their discovery can be challenging.
In this session, we'll reveal how we developed a conversational assistant using Agentic AI that relies solely on GraphQL and a unified internal Knowledge Base, utilizing tools such as GraphQL Mesh.
From impossible to inevitable: AI-accelerated open source innovation
Imagine learning to fly while building an airplane.
That was my reality creating a platform democratizing open source software, with zero Rust experience. You’ll learn how GitHub Copilot became my co-pilot, transforming learning curves into tailwinds. From crafting a multi-language desktop app to curating 170+ one-click deployable software stacks, discover how AI amplified my capabilities 10x. Walk away with battle-tested strategies to supercharge your own development velocity.
Breakout session, Intermediate level, All industries
Lead Innovation Day 2025 Sessionize Event
Google Cloud Next 25
Breakout session: Conversational agents: Build and deploy no-code/low-code AI agents.
Shared our product integration and road to success as a customer of a Google Product.
— English, Filmed, Audience of 400
Real Estate & New Tech RENT 2017
Panel Discussion, debating Conversational Assistants (chatbots) use cases and impact to the real estate industry.
🏅 Shortlisted as a key innovative proptech startup
Competition botdemonight @ Microsoft Paris
Pitched and demoed Reva, the real estate conversational assistant focused on real estate discovery and conversion.
🥇 Won the competition

Arnaud Leymet
Senior Architect, Principal Engineer, Bouygues Telecom (freelance)
Paris, France
Links
Actions
Please note that Sessionize is not responsible for the accuracy or validity of the data provided by speakers. If you suspect this profile to be fake or spam, please let us know.
Jump to top