Xavier de Maillard
CTO & Senior Tech Architect
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Tours, France
Freelance
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À propos
Introduction
CTO & Senior Tech Architect with 20+ years of cross-industry expertise transforming complex challenges into strategic solutions. Proven track record of designing scalable architectures, implementing multi-million euro financial systems, and leading technological transformations across retail, pharma, and mobility sectors. I deliver sustainable technical excellence while prioritizing business objectives—bringing both strategic vision and practical implementation to your most complex challenges.
Expérience de travail
CTO & Senior Tech Architect
FreelanceFreelance
sept. 2023 - Présent
3 ans 2 mois
Paris, France
I support companies of all sizes — from SMEs to global organizations — across various sectors such as electric mobility, e-commerce, SEO, price comparison platforms, and sports coaching. As a freelance CTO and senior technical architect, I focus on delivering high-value, reliable solutions through: • Strategic and technical advisory • Scalable software architecture and design • Handling of complex financial data flows • Business and technical process optimization • Assistance with contract negotiations • Developer training in best practices My approach is collaborative, quality-driven, and tailored to each client’s unique business goals — aiming to build sustainable and future-proof systems.
Treasurer
Hinodé France-Japon
mars 2023 - Présent
3 ans 8 mois
Hybrid
Treasurer of the french-japanese Hinodé association, in charge of budget, subsidies. Handle the budget of the traditional part of the Japan Tours Festival (25000 visitors).
Partner
Team for the Planet
sept. 2022 - Présent
4 ans 2 mois
Tours, France
Time for the Planet est une entreprise à mission qui souhaite rassembler 1 milliard d'euros pour déployer 100 innovations luttant contre le réchauffement climatique. Il est possible de devenir actionnaire à partir d'un euro investi. Nous sommes la dernière génération à pouvoir éviter un effondrement du climat. Agissons ensemble ! Si vous souhaitez savoir comment vous engager, c’est par ici : https://www.time-planet.com/fr
FreshmileFreelance
sept. 2023 - mars 2025
1 an 7 mois
Strasbourg, France
Technical expert
janv. 2025 - mars 2025
3 mois
Strasbourg, France
Worked on software architecture topics. Developed features related to financial flows involving several million euros.
Interim CTO
avr. 2024 - déc. 2024
9 mois
Strasbourg, France
Following the departure of the former CTO, I temporarily took over the role, along with new responsibilities: – Redesign of the client billing system – Renegotiation of supplier contracts and cost optimization – Recruitment of new talents – Documentation (technical specs, disaster recovery plans, continuity plans, quality assurance plans, etc.) and RFPs – Technical stack evolution, including the introduction of Elasticsearch – Management of team leads and the engineering manager – Participation in steering committees (COPILs)
Deputy CTO freelance
sept. 2023 - mai 2024
9 mois
Strasbourg, France
Co-CTO support on the following missions: - Migration from Scalingo & Scaleway to Microsoft Azure - Reduction of technical debt - Data reorganization - Team training - Redesign of the global permission system
Pongo
sept. 2020 - oct. 2023
3 ans 2 mois
Paris, France
CTO
juin 2021 - oct. 2023
2 ans 5 mois
Paris, France
* Directly build and manage a team of 10 tech professionals (front-end, back-end, and infrastructure) without involving recruitment agencies. * Migrate the tech stack from VueJS 2/Firebase to Laravel/Vue3/Vapor (AWS), and subsequently transition to AWS without Vapor. * Establish and maintain high-quality standards. * Contribute to international expansion across 11 countries. * Upskill the entire team to enhance capabilities. * Lead contract negotiations effectively.
Lead developer
sept. 2020 - juil. 2021
11 mois
Paris, France
Back-end : Laravel 8 & Vapor (AWS) Front-end : Angular 10/11 & VueJs3, Tailwind CSS
Full Stack Analyst Programmer
Apodis Pharma
mai 2017 - oct. 2020
3 ans 6 mois
Région de Tours, France
Two projects : * Led the development and migration of a $30 million/year e-shop from Symfony 2.8 and Angular to Symfony 3.4. * Developed a SaaS platform using Laravel 5.7 and Angular. PHP 7.2 (PSR-12), Angular JS, Mysql, Elastic Search
IT Developer
Login informatique
sept. 2010 - mai 2017
6 ans 9 mois
Tours, France
* Overhauled a SaaS solution for tourist offices and museums, originally built with PHP4/MySQL. * Upgraded the stack to PHP5, transitioning from a homemade framework to Symfony. * Developed new modules: - Ticketing (online and in-store) - Access control - Online shop - Membership management (documents, invoicing, payments, etc.) - Travel agency tools - Accounting features * Led the team, provided coaching, and handled customer support. * Delivered on-site training for customers. * Additional projects: - SaaS solution for an exhibition center (budget forecasting and tracking). - SaaS platform for a national choreographic center (mailing and contact list management). - Migrated a SaaS solution from 4GL/Informix to PHP/MySQL. PHP4, PHP5, MySQL, Symfony, Jquery
Developer
Sylaxe SARL
nov. 2008 - juil. 2010
1 an 9 mois
Strasbourg, France
* Setup CRM solutions like Vtiger (PHP5/MySQL) * Build website with Joomla, Virtuemart * Technical customer uspport
Formation
IESA Strasbourg
Bachelor
2008 - 2009
1 an 1 mois
Savary de Mauleon High school
BTEC Higher National Diploma
2006 - 2008
2 ans 1 mois
Kastler High School
GCE A-Level
2003 - 2006
3 ans 1 mois
Licences et certifications
Test of English for International Communication (TOEIC) 980/990
Délivré le : févr. 2024
OP18 - Développer des applications web et mobiles avec Angular 2
Délivré le : juil. 2020
L'essentiel d'Angular
Délivré le : juil. 2020
Diriger grâce à l’intelligence émotionnelle
Délivré le : juil. 2020
Devenir un manager
Délivré le : juil. 2020
Créer une application mobile avec Ionic 2 et Angular 2
Délivré le : juil. 2020
Angular : Les services et les web services
Délivré le : juil. 2020
Angular : Dynamisation des applications
Délivré le : juil. 2020
CCNA1
Délivré le : oct. 2007