Arnaud Leymet

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. I am seeking challenging opportunities that promote professional growth and allow me to contribute to transformative projects.

Experience

Bouygues Telecom
Multiple roles, Bouygues Telecom Β· Freelance

Roles: Principal Engineer, Sr. Product Lead.

  • Supported the second largest french telco company through various roles and projects, focusing on the architecture, design, and implementation of innovative solutions β€”both public and internalβ€” that significantly enhanced efficiency and customer satisfaction.
  • Advocated best practices through ADRs, OpenAPI, DRY, and KISS principles, while embracing open-source. Fostered the development of a robust ecosystem of DX-friendly internal tools in support of significant projects:
Copilot: πŸ… genAI sales assistant
  • Lead architect, led the design and delivery of a genAI hybrid assistant with extensive capabilities.
  • Shipped an innovative sales journey assistant, with a deeply integrated solution that leveraged the best of both AI and UX paradigms, developed by a Feature Team of 4.
  • Stack: Google Conversational Agents, CloudRun, RAG, Python, GraphQL, OpenAPI.

Try it out Β· LinkedIn

Disco: genAI Γ— enterprise graph
  • Originator, Lead Architect of Disco, the internal tool that acts as a gateway to all internal services.
  • Allowed collaborators to ask questions and explore the data.
  • Stack: Astro, React, TypeScript, LangChain, Python, GraphQL, OpenAPI.
GraphQL: gateway to internal APIs
  • Leveraged the power of HATEOAS to provide a unified aggregated schema for internal APIs, both authenticated and public.
  • Delivered a tailor-made GraphQL console as a standardized resource consumption sandbox.
  • Delivered millions of queries daily.
  • Stack: GraphQL Java, Maven, GraphQL Mesh & Hive.

Code repository

Mcare: customer care app
  • Lead Architect, led the transition from dual native apps to a single React Native typed codebase.
  • Integrated Trilogy and GraphQL.
  • Provided training for teams on React Native and TypeScript.
  • Rationalized mobile developer profiles.
  • 10M+ downloads.
  • Stack: TypeScript, React Native.

App Store Β· Google Play

A7: CDN for front assets
  • Originator, Lead Architect and maintainer of A7, the consolidated asset hosting solution for front-end applications. Think a better unpkg.
  • Delivered millions of assets daily, with a 99.99% availability.
  • Stack: Nginx, NJS.

Code repository

ACO: customer care web app
  • Tech Lead, part of a 14 developer team, fostering both business delivery and craftsmanship.
  • Led the recruitment of the engineering team.
  • Modernized the Backbone codebase with ReactJS, Trilogy and GraphQL.
  • Stack: ReactJS, GraphQL, MobX, Docker, Kubernetes, Helm, Microfrontends, Gitlab CI, Sonar, TypeScript, trilogy.
Enia
Partner, Enia
  • Participated in the Biogas development in France with the first biowaste marketplace mobile app.
  • 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.
  • Relied on geospatial data in the service of land identification.
Codename
Founder & CEO, Codename
  • Led a software development company, focused on building prime digital products and services.
Stack: software made accessible
  • Access a collection of 130+ 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.

Try it out

Papers: plain text editor
  • Forget about the formatting, focus on the content. A plain text editor with a twist.

Try it out

Flow: visualize, adjust and arbitrate
  • Developed a Sankey diagram generator to visualize key data flows.

Try it out

Dash: automated Docker dashboard
  • Drop-in minimalist Docker dashboard with services auto-discovery

Try it out

Proptech & conversational
Atlas: cartographic dataviz
  • Identify and qualify prospects based on geographic areas.
  • Enable data visualization of geospatial data.
View: automated real estate NLP
  • Multi-source criteria-focused hyper-targeted house hunting experience.
Bubl: your conversational agent
  • 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: πŸ₯‡ Real Estate Virtual Agent
  • Reva, "Siri for Real Estate" leverages AI to make house hunting a breeze. First deeply data-integrated chatbot for real estate with the ability to have a fluid conversation with the agent.
  • πŸ… Shortlisted as a key innovative proptech startup @ RENT 2017.
  • πŸ₯‡ Won the competition for the best chatbot tech of 2017 @ Microsoft.
  • SaaS model with premium customers such as Nexity, Pierre & Vacances.
Botml: chat markup language
  • Build scripted multi-turn dialog assistants with raw text and a bit of markup.

Code repository

Exit: IP assets acquired by Enia
Sonetin
Co-founder & CTO, Sonetin
  • Co-founded a SaaS startup with a lean and disruptive model in the enterprise social network space.
  • Recruited a worldwide distributed team of excellence in both sales and tech.
  • Succesfully obtained both the JEI status and the CIR in regards of our R&D roadmap on subjects like Natural Language Processing, Collective Intelligence, Recommendation with ML.
Etheryl
Tech Lead, then CTO, Etheryl
  • 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.
Picuous
Co-founder & CTO, Picuous
  • 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.
Accenture
Tech Lead, Accenture
  • Led the development team (4) responsible of the Front-End for ErDF's COSY project in both an offshore and onshore context. As the SAP Enterprise Portal technical expert, I successfully helped maintain and enhance the front-end solution.
Lead Developer, Kayboo
  • Designed and developed the User Interface of the freelance marketplace service. This implied a lot of Ruby on Rails and jQuery efforts.
Accenture
Software Engineer, Accenture
  • Managed the technical development of multiple HR e-services enterprise portal projects including for Air France and Disney.
  • Lead developer of the front-end portals.
IBM
Web Developer, IBM

Maintained a custom PHP solution for the French Ministry of Economy and Finance.

SEIO
Web Developer, SEIO

Designed and developed websites, web apps and client/server software for multiple clients besides my engineering studies.
Mainly using front-end technologies.

Education

MIT
Application Designer Certification, MIT
  • 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.
ESEO
MSc majoring in Computer Sciences, ESEO France

Major: IT, networks and telecommunications.