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Julien FabreJF

Julien Fabre

Backend Developer | GitOps & MLOps | Python/Go

€700/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

Expert (9 years) in high-performance systems architecture and Cloud Native industrialization. I specialize in developing applications in Python (FastAPI) and Golang. Full mastery of the continuous deployment chain (GitOps, ArgoCD, Kubernetes). MLOps expertise enabling me to ensure the reliability and scalability of AI platforms.

Full ability to work in an agile environment.
Open to on-site or remote work.
  • Spanish

    Conversational

  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • BNP Paribas Personal Finance
    MLOps & Cloud Native Platform Engineer
    BANKING AND INSURANCE
    October 2024 - October 2025 (1 year)
    Paris, France
    Context: Development of the internal SaaS platformSparrow(**MLOps**), a key tool enabling500+ Data Scientiststo industrialize, deploy, and manage their **ML/AI models**.



    *Platform Engineering(**MLOps**): Design and development of the internalweb services(Python/FastAPIandGo/gRPC**) for the Sparrow Studio platform, supporting **user growth of +50%during the assignment. **Key features**: project management, user management, resource management, and **OIDC authentication**.
    • **Data Architecture**: Definition of the platform's data schemas and management ( **Atlasgo**, **PostgreSQL**).
    *Infrastructure & GitOps**: Deployment and maintenance of **native Kube CI/CD(**GitOps** methodology), integratingArgoCDandGitLabfor industrialization onKubernetes clusters(**IBM Cloud)**.

    *Performance**: **Migrationof critical asynchronous Python components toGo**. **Improvement of response timefor the platform's core services by **30%**.

    GO Kubernetes GitOps FastAPI MLOps
  • Unowhy
    Backend Cloud Native Engineer
    EDUCATION AND E-LEARNING
    November 2019 - September 2024 (4 years and 10 months)
    Paris, France
    Context: Leading French EdTech company. Development and maintenance of backend servicessupporting 500,000+ active usersand ensuring high availability of the application suite.

    *High Scalability Python: Design and development ofasynchronous Python web services( **FastAPI**, **asyncio**, **uvicorn**) for the Sqool suite, ensuring performance and resilience under **heavy load (peak users)**. Authentication via **OIDC**.

    *Data Model: Architecture and implementation of APIs (**GraphQL**,Hasura**) exposing the **PostgreSQLdata model.

    *Architecture & Optimization: Design of the backend architecture for a file storage and sharing solution (**Celery**,Redis**, **S3**), allowing to **halve the response timeof the upload service and reduce database load.

    *Cloud Native Integration: Setup and management of continuous deployment (**CI/CD**) onOVH Kubernetesclusters, viaGitLaband **Ansible**.

    Kubernetes Docker FastAPI Gitlab CI/CD PostgreSQL
  • NextRadioTV
    Backend Engineer
    PRESS AND MEDIA
    May 2016 - October 2019 (3 years and 6 months)
    Paris, France
    Within the Technical Directorate of NextRadioTV, responsible for implementing web and digital activities for the group's various brands (BFMTV, RMC Sport, 01NET...).

    • Design and development ofREST APIsexposing real-time news and sports data for BFM TV and RMC Sport channels ( **Python**, **Django REST Framework**, **OAuth2**, **PostgreSQL**).
    • Implementation ofcontinuous integration and deploymentpipelines ( **pytest**, **GitFlow**, **Jenkins**, **SonarQube**).
    • Design and development of ane-commerce platformwithPythonand **Saleor**.
    • Promotion ofsoftware craftsmanship(PEP8, code coverage...) and **agile best practices**.
    Django Rest Framework Python/Django DevOps Gitlab CI/CD Docker

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Education

  • Engineering Degree
    ECE Paris
    2015
    - Systèmes d'Information - Management de Projet

Skill set

Categories