Freelancer profile translated to English.

Description

With solid experience in Cloud Native and Data Platforms architectures (Kubernetes, Spark, Trino/Starburst, GitOps, etc.), I support tech teams in designing, deploying, and automating scalable and resilient infrastructures. My goal: to transform technical complexity into reliable and high-performing solutions.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Crédit Agricole GIP (CAGIP)
Big Data / DevOps Engineer
September 2024 - Today (1 year and 9 months)
Paris, France
Missions:
• Onboarding of new clients for our data platform.
• Creation of WhiteApps for all platform middleware.
• Implementation of integration tests / HealthChecks.
• Definition of Data architecture with offer clients.
• Tuning and performance optimization: configuration adjustments, advanced debugging, connector optimization (Trino/Starburst), Spark job tuning.
• Deployment, supervision, and optimization of Spark, Trino, Starburst, JupyterHub, ArgoWorkflow, ArgoCD, Spark History Server applications on Kubernetes.
• RUN management and application support: incident diagnosis and resolution, user support, automation and reliability of deployments.
• Security and advanced monitoring: supervision via Dynatrace, ELK log integration with Logging Operator, Spark application monitoring with Spark UI, Spark History Server, and JupyterHub.
Spark Kubernetes Argo CD starburst IT Architecture
Crédit Agricole CIB (CACIB)
Tech Lead Data
February 2022 - September 2024 (2 years and 7 months)
Saint-Quentin-en-Yvelines, France
Missions:
! Close collaboration with business teams to translate their needs into technical solutions.
! Design of project application architecture.
! Technical coordination between program teams: Business Analysts, Backlog team, DATA team, DEV team, TEST team.
Spark Software Architecture IT Architecture CI/CD Management
La Société Générale CIB
Tech Lead Data Engineering
April 2018 - February 2022 (3 years and 10 months)
La Défense, France
Missions:
! Supervise the development team and track task progress.
! Plan and design project architecture.
! Identify and report risks.
! Plan and organize team events.
! Member of the Tech Lead board for the tribe (definition of common development strategies, sharing best practices).
! Member of the Data chapter.
! Ensure increase and maintenance of code coverage to ~80%.
! Implementation of BDD functional tests with Cucumber.
! Code review.
! Implementation of a continuous integration workflow to ensure:
! Development by feature branch
! Automatic builds, following pull request creations/merges
! Automatic deployments on Docker
! Development of Spark jobs running on the data lake, to identify risky deals among all transactions made by traders.
! Development of a web application with complex analysis screens and data certification (large volume).
! Development of a back-end in micro-services
Technical environment: Spark, Oozie, Java, Azure, Spring boot, Angular, Kubernetes, ELK Monitoring stack, GIT, Continuous Integration (Maven, Jenkins, Sonar), PostgreSQL, IntelliJ, Scrum, JIRA.
Spark Kubernetes Backend Service Development CI/CD Management Containerization and Virtualization