Freelancer profile translated to English.
Back to original languageAbout Bastien
I help data teams regain control over cloud or hybrid platforms that have become too slow, too fragile, or too difficult to operate.
I intervene in existing production environments: recurring incidents, critical pipelines, technical debt, manual deployments, rigid orchestration, or insufficient monitoring.
My approach is **direct**: quickly understand the existing situation, identify root causes, secure critical components, and then simplify and industrialize processes.
Some results achieved:
• Redesign of the orchestration of 87 GCP flows feeding SQL Server: incident recovery time reduced from half a day to less than 10 minutes
• Redesign of a critical SQL Server / SSIS pipeline: processing time reduced from 4 hours to 25 minutes
I primarily work with GCP, Azure, SQL Server, Snowflake, SQL, and Python, with a senior, autonomous, and hands-on approach.
French
Native or bilingual
English
Fluent
Can work on-site
Montpellier (up to 20km), Paris (up to 20km), Lyon (up to 20km), Toulouse (up to 20km)
Experience
- CapgeminiSenior Data Engineer | GCP & Hybrid Data Platforms | Mission for OrangeTELECOMMUNICATIONSJune 2023 - December 2025 (2 years and 6 months)Montpellier, FranceData engineer within a strategic hybrid GCP / SQL Server platform, with a focus on reliability, industrialization, and operational simplification.
- Elimination of a systemic failure point across over 80 sourcing flows: complete redesign of the orchestration so that an isolated incident no longer blocks the entire chain. Recovery time reduced from half a day to less than 10 minutes.
- Redesign of a central SQL Server / SSIS pipeline that had become too slow with increased load: rationalization of DataMart access, simplification of business logic. Processing time reduced from 4 hours to 25 minutes.
- Reference for the GCP scope: technical framing, onboarding new team members, facilitating skills development workshops, and disseminating platform standards.
- CGIData Cloud Consultant | Azure, Snowflake, DevOpsCONSULTING AND AUDITSJanuary 2021 - May 2023 (2 years and 4 months)Montpellier, FranceIntervention in two demanding environments in finance and aeronautics (Pernod-Ricard, Airbus), with a common thread: data platform reliability, flow industrialization, and automation of production deployments.
- Adaptation of about ten SQL flows on Snowflake after a major source change in a group financial scope, without continuity disruption on key data.
- Design of Snowflake pipelines to consolidate data from heterogeneous information systems and improve reporting reliability.
- Migration of Azure Data Factory pipelines to ADLS Gen2 in a critical industrial environment.
- Design of an SQL procedure automation system to eliminate risky manual interventions during production deployments.
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Education
- Certified : Azure Data Engineer Associate (DP-203).MicrosoftCertified : Azure Data Engineer Associate (DP-203).
- Master Computer Science – Data, KnowledgeUniversité de Montpellier2021Master Informatique – Données, Connaissances