Greater Paris Metropolitan Region
CTO et architecte cloud chez Wiztrust, SaaS B2B servant des groupes cotés en France. Je gère l'infrastructure de production de bout en bout : GCP, Kubernetes, Terraform, MongoDB, Elasticsearch, Datadog. En 5 ans : migration bare-metal vers GCP (zero downtime), uptime entre 99.91% et 99.98%, budget cloud réduit de 15% (50k$ économisés), pilotage anti-DDoS, certification CyberVadis. Avant ça : CTO SociaNOVA (SaaS médico-social, 10 personnes Paris+Belgique), Lead Dev Wiztrust (équipe construite de 0 à 6). Formation École 42 (2013-2015). 20+ recrutements, 5 promotions internes (dev vers lead, dev vers architecte, dev vers technical manager).
B2B SaaS serving publicly listed companies in France. End-to-end ownership of production infrastructure (GCP, Kubernetes, Terraform, MongoDB, Elasticsearch, Datadog) and management of a 6-person team (1 Technical Manager, 3 Leads, 2 engineers). Operational excellence - Uptime sustained between 99.91% and 99.98% over 5 years across all critical SaaS services - 1,142 tickets processed (BLD + TMA) in 2025 with one less resource, delivery cadence maintained - Infrastructure stabilization during the 2024 Olympics global traffic peak Cloud & FinOps - Bare-metal to GCP migration (2022): complete transition with zero service interruption - MongoDB cloud migration (2021) with zero downtime - GCP cost reduction of 15% vs 2025 budget (~$50k saved on a $195k budget) - MongoDB Atlas optimization: $17k saved vs 2024 Cybersecurity - Proactive anti-DDoS strategy ownership - CyberVadis certification achieved (end of 2025) Talent management - 20+ hires over 5 years - 5 internal promotions (dev → lead, dev → architect, dev → technical manager) - 4 team pillars with 5+ years tenure Applied AI Engineering - AI productionization with a lean team - LLM integrations (Perplexity API, Mistral, OpenAI), prompt engineering, MCP architecture Stack: Symfony 7, MongoDB 8, GCP, Kubernetes, Terraform, Docker, Elasticsearch, Redis, Datadog, CI/CD
☆ Recruitment of 5 people : 1 Lead, 2 Developers, 1 Tester QA and 1 Sysadmin. ☆ Development of Safety Check : a tool helping medico-social institutions to handle covid crisis. Management: - Management of a pole of 10 people (in-shore) - Mentoring - Recruitment Stack: - PHP 5.6 (Homemade framework) - Git (GitLab : 10.7.1 / 12.1.14) - Flutter 1.5.9 (Mobile App) - Golang
Management: - Management of 2 off-shore developers and 1 in-shore developer Stack: - PHP 7 (Symfony 3.3 / 3.4) - MySQL 5.6 Percona - Elasticsearch - Git (GitLab) - Docker
☆ Recruitment and training of a team of 5 developers ☆ Creation of our own Object Document Mapping (inspired by Doctrine MongoDB ODM) Management: - Code Review - Management of a team of 5 developers - Mentoring - Recruitment (Backend and Frontend Developers) Stack: - PHP 5.6 / 7.1 (Symfony 2.6 / 2.8 / 3.4) - NoSQL (MongoDB 2.6 / 3.0 / 3.4) - Elasticsearch 2.4 / 6.2 - Git (GitHub) - Docker
Stack: - PHP 5.6 (Symfony 2.6) - NoSQL (MongoDB 2.6) - Elasticsearch 2.4 - Git (GitHub)
Accueil, conseil, vente (ordinateurs, tablettes, smartphones, GPS, objets connectés)