Freelancer profile translated to English.

Description

Backend & DevOps Engineer with 7-8 years of experience, specializing in Python and Cloud/Kubernetes environments. I design and maintain robust APIs, automate deployments (CI/CD), and industrialize infrastructure using Terraform and Ansible. Accustomed to critical environments (banking, telecom), I intervene end-to-end: architecture, development, production deployment, observability, and team support.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

BNP Paribas
Tech Lead Backend & DevOps
BANKING AND INSURANCE
January 2025 - Today (1 year and 7 months)
93100 Montreuil, France
Technical lead on a DataOps solution (Delphix Oracle), to automate the creation of anonymized development databases from production data.

– Development from scratch of a REST API in hexagonal architecture (Python, Flask, Connexion) for managing Delphix resources.
– Implementation of an Event-Driven architecture with Celery and Redis to orchestrate provisioning, refresh, and cleanup workflows asynchronously.
– Setup of CI/CD pipelines with GitLab CI (linting, tests, build, and automated deployment).
– Creation of modular Helm charts and management of deployments via ArgoCD in OpenShift namespaces, with support for versioning and rollback.
– Setup of an observability stack with Elasticsearch and Kibana for logging and monitoring of application components.
– Writing Terraform modules for managing Delphix resources.
– Setup of Airflow DAGs to orchestrate workflows related to Delphix products.
– Technical supervision: code reviews, pair programming, supporting developers on DevOps best practices and Clean Code.

Technical environment: Python, Flask, Connexion, Celery, Redis, PostgreSQL, GitLab CI, Docker, Kubernetes, Helm, OpenShift, ArgoCD, Elasticsearch, Kibana, Airflow, Terraform, Delphix.
Tech Lead Architecture Clean Code Déploiements Monitoring
Société Générale
Senior Cloud DevOps Engineer
BANKING AND INSURANCE
September 2021 - November 2024 (3 years and 2 months)
Puteaux, France
Development of an aPaaS platform to orchestrate resource creation in Société Générale's private cloud and deploy control planes in Kubernetes clusters (120 CP across 5 regions).

– Development of the API with the Flask framework (Python) following a hexagonal architecture.
– Creation of CI/CD pipelines in Jenkins, then in GitHub Actions, for continuous integration and deployment.
– Design and implementation of new features in the API.
– Deployment of highly available Redis instances in Sentinel mode, on Kubernetes with data persistence.
– Management of the migration/upgrade of PostgreSQL and RabbitMQ clusters to a new OS version for all our clients.
– Setup of a monitoring and automated alerting system via email/SMS/phone, with Prometheus, Alertmanager, and Grafana to monitor the performance of PostgreSQL, RabbitMQ components, and HTTP services.
– Maintenance of a service availability rate for hosted applications above 99.95%.
– Incident resolution and customer support on Unity, Teams, etc.

Technical environment: Python/Flask, Connexion, Celery, Pytest, Docker, Kubernetes, GitHub Actions, Gunicorn, Prometheus, Alertmanager, Grafana, Redis, PostgreSQL, Terraform, SonarQube.
REST APIs Kubernetes Docker Prometheus CI/CD
Société Générale
Cloud DevOps Engineer
BANKING AND INSURANCE
September 2021 - November 2024 (3 years and 2 months)
Puteaux, France
Development of tools for SG's private cloud and support for teams in API design and development, adhering to Clean Code principles.

- Development and maintenance of CI/CD pipelines.
- Development of a Python SDK to control platform services (19 services supported).
- Development of a Terraform provider in Go to manage SG cloud resources (22 services supported).
- Technical support and troubleshooting for Agile Release Train (ART) teams.
- Coaching teams on creating new services with hexagonal architecture.
- Writing and leading a bootcamp on the Python SDK, Terraform, and API development.

Technical environment: Python, Go, Flask, Connexion, Celery, Pytest, SonarQube, Jenkins, PostgreSQL, Terraform.
Python CI/CD Terraform Go REST APIs