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Marc D.MD

Marc D.

Tech Lead GCP | Senior Data Engineer

€765/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Marc

Welcome to my profile! Over the last 7 years, I have developed expertise in GCP, which I have consolidated through multiple certifications. I am capable of intervening on a wide scope including architecture, security, and machine learning, with a focus on data. I can therefore offer you complete support in the realization of your Data & Cloud projects.

🚀 Design and implementation of large-scale data platforms
I actively contributed to the architecture and development of a robust data platform capable of processing several terabytes of data daily, combining performance, scalability, and reliability.

🔧 Data processing expertise: Batch & Streaming
I have implemented numerous batch or streaming data flows using distributed frameworks such as Dataflow and Apache Spark.
I know how to develop efficient and maintainable ETLs using Dataform or DBT, to effectively orchestrate your data transformation pipelines.

🌐 REST API deployment and system integration
I know how to design and deploy robust and secure REST APIs to expose your data.

🤖 Machine Learning & Artificial Intelligence
With a good understanding of Machine Learning principles and tools on GCP (Vertex AI, TensorFlow, etc.), I can help you transform your data into high-performing predictive models for your business needs.

🛡️ Security, FinOps, DevOps, and data governance
My approach also covers the strategic and operational challenges related to cloud usage:
  • Securing flows and environments (IAM, DLP, VPC, Encryption).
  • Cost optimization (FinOps) for better budget control.
  • Deployment automation (CI/CD, Terraform).
  • Data governance
Do not hesitate to contact me to discuss your needs and explore suitable solutions together.
  • French

    Native or bilingual

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

Experience

  • Sephora
    Solutions Architect | Tech Lead Data
    FASHION AND COSMETICS
    June 2022 - Today (4 years)
    Neuilly-sur-Seine, France
    The purpose of this mission is to ensure the technical operation of the data platform
    • I supervised the proper technical functioning of the data platform comprising several hundred terabytes, over 2,000 tables, over 2,000 application processes, and over 50 data engineers
    • I led the data governance program focused on improving data quality and data access management
    • I supervised the identification and correction of critical security vulnerabilities in the various components of the data platform
    • I led initiatives around FinOps for cost control of the data platform
    Cloud Dataplex Data Quality Management Data Governance FinOps Google Cloud Platform (GCP) Python Programming
  • Sephora
    Data Engineer
    FASHION AND COSMETICS
    November 2019 - June 2022 (2 years and 7 months)
    Neuilly-sur-Seine, France
    The purpose of this mission is to create a data platform on GCP
    • I reduced data transformation pipeline development and testing time by 30% by implementing a data transformation framework based on Dataform and Cloud Composer
    • I designed a high-performance and robust task orchestration system based on Cloud Composer, orchestrating over 1,400 DAGs per day
    • I reduced orchestration costs by 40% through snapshots and rationalizing Composer environments
    • I developed batch and streaming data integration flows using Dataflow
    • I created Rest APIs with Spring Boot and deployed with Cloud Run
    Google Cloud Platform (GCP) Cloud Composer Apache Airflow Java Big Query Redis Dataform Dataflow Google Kubernetes Engine (GKE) Docker
  • DANONE
    Machine Learning Engineer
    May 2019 - November 2019 (6 months)
    The purpose of this mission was to classify oncology articles based on their relevance: Highly relevant, Moderately relevant, Not relevant.
    I developed, deployed, and maintained a machine learning model to predict whether an article from the oncology literature was relevant to Danone's research team or not.
    Tools: GCP, Python3, Vertex AI, Firestore, App Engine, Cloud Functions
    Google Cloud Platform (GCP) Python Programming Vertex AI Firestore Google App Engine Google Cloud Functions

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Education

  • Statistics and Machine Learning
    Ecole Nationale de Statistique et d'Economie Appliquée (ENSAE)
    2018

Certifications

Skill set (29)

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