Guillaume Masson
Staff Data Engineer
Salaire / Taux journalier
Paris, France
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
Data Engineer with 8+ years at scale-ups and enterprise, specializing in custom pipelines and data platform architecture. Built GDPR compliance tools processing 30+ data types and scaled marketing data solutions at French unicorn Vestiaire Collective. Expert in Python, SQL, DBT, and cloud platforms delivering robust data solutions for business growth.
Expérience de travail
Senior data engineer
SanofiFreelance
sept. 2026 - Présent
2 mois
Paris, France
Senior Data Engineer within Sanofi’s Accelerator — designing and building a scalable data platform and architecture to support analytics, product insights, and R&D operations.
Senior Data Engineer
Vestiaire Collective
nov. 2021 - sept. 2025
3 ans 11 mois
Paris, France
Scale up / French unicorn 🦄 Data engineer within the DataOPS/Platform team and Marketing team I help evolve the data platform and develop tools for Marketing team I create custom pipelines and tools to meet their needs.
Data Teacher
Jedha BootcampFreelance
mars 2023 - août 2025
2 ans 6 mois
Paris, France
Teacher of data skills, data pipelines, data marketing, data visualisation, data product, AI
Entrepreneur in E commerce
Self-employedFreelance
déc. 2018 - mai 2021
2 ans 6 mois
creation of e-commerce shops and sale of products through digital advertising channels. I have specialised in it and joined a larger brand project that we have sold.
Data Engineer
Atos
sept. 2016 - oct. 2019
3 ans 2 mois
Bordeaux, France
Data engineer for 3 years at ATOS in the GDPR team. We've built from scratch a python tool able to find more than 30 different kinds of personnal datas in the databases of our clients. Others project were related to GDPR. I've been tech lead on this project for a group of 3 to 5 developers.
Formation
Bordeaux YNOV Campus
IT and Information System Expert
Portfolio
Creation of Sanofi data platform
Refactorisation de l'ancienne API
Refonte pipeline DBT
