Description

Specialized in Snowflake (2 certifications), Terraform, DBT, Python and the modern data stack, I combine strong technical expertise with leadership skills to deliver scalable, efficient, and business-oriented data solutions.

During 4 years, I have led the creation and growth of the Data Team in my company, defining the architecture, implementing best practices, and mentoring the team. I bridge the gap between engineering and business needs, ensuring data is reliable, accessible, and valuable for decision-making.

KEY SKILLS :

Data Architecture: ELT/ETL pipelines, data warehousing, real-time data, data modeling
Leadership: Built and led Data function from scratch, mentoring, cross-team collaboration (engineering & business)
Cloud & Tools: Snowflake, Terraform, MongoDB, DBT, AWS, CI/CD on Github, Airbyte, Stripe, Planhat

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Montpellier (up to 50km)

Axeptio
Lead Data Engineer / Snowflake specialist
SOFTWARE PUBLISHING
July 2022 - January 2026 (3 years and 6 months)
Montpellier, France
●Designed and built the company’s Snowflake data platform from scratch, integrating multiple business sources (APIs, MongoDB, Stripe, HubSpot, Planhat) through robust ELT pipelines.
● Implemented data governance, lineage, documentation and security controls ensuring GDPR compliance
● Delivered analytics and reporting solutions for internal teams and clients using Snowflake dashboards, Preset, and Streamlit.
● Optimized query performance and warehouse costs to maintain scalable and efficient production workloads.
● Defined data engineering roadmap, prioritized delivery, and aligned technical execution with business objectives.
SQL Snowflake DBT Terraform Python
Capgemini
Lead Developer
DIGITAL AND IT
September 2018 - April 2022 (3 years and 7 months)
Montpellier, France
- Technical leadership across multiple client projects
- Internal R&D: Secured funding to extend an open-source TypeScript/Java code complexity analysis module.
Typescript NodeJS CI/CD JavaScript
AXA
Lead Developer
BANKING AND INSURANCE
January 2020 - February 2020 (1 month)
Montpellier, France
- Conducted React Native code audits for AXA insurance
- Main tool: Sonarqube

(Mission for Capgemini engineering)
SonarQube React Native Typescript

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Développement applications mobile Snowflake Core Pro SnowPro Advanced: Data Analyst Certification
Développement applications mobile Snowflake Core Pro SnowPro Advanced: Data Analyst Certification
& iOS)
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Check out Gilles's education