Xavier Jouppe

Rennes ∙ France

contact

Personal website

skills

Management
Recruitment
Product & tech strategy
Web development
Software architecture
Scaling
Roadmap
Product management, UX

education

Engineering degree
CentraleSupélec ECP14
Master's degree in Economics
Panthéon Sorbonne

professional experience

Intrapreneur / CTPO @Annuaire des Entreprises2021 ∙ 2025

Interministerial Digital DepartmentParis ∙ Rennes

Creation and development of Annuaire des Entreprises, the first public site for business data (8M visits, 150M requests in January 2025). Finding sponsors within the administration, strategy design and execution, scaling:

  • Recruitment and management of a multidisciplinary team of 9 people (business development, SEO, designer, developers)
  • Development and deployment of a multi-client product strategy: public website for businesses and citizens, SaaS for public officials, open API for developers
  • Technical and product leadership (CTPO) in a hyper-growth context with increasing security constraints. Infrastructure scalability challenges, application performance optimization, and security compliance

Freelance Developer2020

Interministerial Digital DepartmentParis ∙ Rennes

Redesign of the public service API platform, api.gouv.fr, working with a UX designer

Product Manager2018 ∙ 2019

SkillupParis

First Product Manager for a B2B SaaS product dedicated to corporate training

  • Establishing a product culture within the team
  • Collaborative development of the strategic roadmap
  • Product development management (UX, sprint management, KPIs)

Machine Learning Research Engineer2016 ∙ 2018

SmartAdServerParis

C# developer in a machine learning team applied to online advertising:

  • Development of classification algorithms (K-means) and prediction algorithms (gradient descent)
  • Self-teaching of web development by creating data visualization tools (React, D3.js)

Developer Commando2015

Société Générale Corporate and Investment Banking (SGCIB)Hong Kong

First professional experience in a large corporation and international setting. Development of tools for the middle office (VB.NET, C#, Python)

projects and achievements

Public serviceNext.jsAnsibleRedisElasticsearchReactNodePythonFastAPINode.jsOVH
First public service for consulting open business data. 8M visits and 150M monthly requests in 2025. Hosted on dedicated OVH servers across multiple regions.
Showcase site11tyCloudflare
Design and development of a showcase website for CuiCui, an association publishing fanzines about wildlife in Brittany.
Public serviceNext.jsReactNodeOVH
Visual redesign of the French public sector API catalog. Migration from a Jekyll showcase site to React/Next.js

ManakinProduction

2018
Showcase siteGatsbyReactNetlifyContentfulJamstack
Design and development of a showcase website for Manakin Production, a production company for artistic projects in the performing arts. This site is no longer online.