Freelancer profile translated to English.
Back to original languageAbout Roland
Freelance consultant, Centrale Lille engineer, with over 4 years of experience delivering in production, from a maritime insurance SaaS launched from scratch to profitability to a tech lead data role in a large group. I design Data Mesh platforms and deploy AI/ML models from prototyping to production, with scientific rigor and software craftsmanship that elevates teams. Data solutions anchored in business needs and designed for longevity.
French
Native or bilingual
English
Fluent
Korean
Conversational
Remote only
Primarily works remotely
Experience
- TotalEnergiesData Proxy Tech LeadENERGY AND UTILITIESMarch 2024 - April 2026 (2 years and 1 month)Paris, France(Via OCTO TECHNOLOGY part of Accenture)- Developed Data Mesh products on Databricks AWS, enabling new renewable asset portfolio optimization strategies while reducing Spark pipeline costs by fourfold through FinOps optimization and monitoring.- Enhanced system reliability by introducing a hexagonal architecture, CI-compatible testing, and production monitoring, while mentoring engineers through code reviews and best practices for clean code.- Developed a production-integrated graphical interface for data product creation, accelerating deliveries and empowering business teams with more autonomy.
- IPSENData ArchitectPHARMACEUTICALS INDUSTRYJanuary 2025 - March 2025 (2 months)Paris, FranceScoping and consulting mission- Defined the target data architecture in a regulated pharmaceutical environment and a rich data ecosystem, enabling interoperable analyses while balancing costs, governance, and scalability.(Via OCTO TECHNOLOGY part of Accenture)
- STREEM GRP.Data EngineerLOGISTICS AND SUPPLY CHAINMay 2024 - December 2024 (7 months)Paris, France- Designed a hybrid on-premise/Azure architecture to meet secure network constraints and developed DBT/Airflow data pipelines feeding new analyses combining on-premise and cloud data.(Via OCTO TECHNOLOGY part of Accenture)
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Education
- Engineering DegreeCentrale Lille2019- Spécialisation data science: machine learning, statistiques bayésiennes, optimisation, traitement du signal. - Projet d’école : plateforme de covoiturage dynamique, optimisation par méta-heuristiques (Java, multi-threading)
- CEMConservatoire de Lille2022Formation avancée en piano et théorie musicale.