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Carrefour

Global hypermarket retailer with online shopping

Data Platform Engineer GCP

Data EngineeringPosted on Nov 5
Full-timeMassy, France

About the Job

Requirements

  • At least 5 years of experience in cloud data engineering, with demonstrated in-depth mastery of the Google Cloud Platform ecosystem.
  • Advanced mastery of BigQuery, Dataform, Cloud Composer (Airflow), SQL, and Python.
  • Strong familiarity with data reliability, FinOps practices, and CI/CD using GitLab.
  • Ability to explain complex technical concepts and bring teams together to lead cross-functional initiatives.

Responsibilities

  • Design, deploy, and maintain the cloud technical framework and infrastructure for industrializing data flows that feed the IRMA ecosystem and the Group's data tools.
  • Configure, secure, and organize Cloud Storage buckets and ensure the overall stability of Cloud Composer while making the GCP data architecture cost-efficient and able to handle high e-commerce data volumes.
  • Define, document, and disseminate departmental structure and naming standards, including Dataform folder structures and tag naming conventions, and Airflow DAG naming standards and Python development practices for operator structure and error handling.
  • Ensure the technical quality of SQLX code in Dataform, including partitioning, clustering, and windowing, and support team members in adopting good practices.
  • Maintain and improve GitLab CI/CD pipelines, automating deployments for Cloud Composer, Cloud Run, and future products in coordination with VPOP teams, with automated tests to enable secure team autonomy.
  • Monitor technical platform latency and optimize overall BigQuery performance, particularly on aggregates generated by AI agents, to prevent excessive costs.
  • Own technical alerting for incidents such as Airflow job failures, API outages, and BigQuery saturation.
  • Occasionally develop a complete new data flow through to exposing the data in a GSheet, an AI agent, or Qlik Sense.
  • Coordinate with the Tech Lead, who owns business intelligence, application SQL code, and data content.

Desired Qualifications

  • Previous experience in a high-volume e-commerce environment.

About the Company

Carrefour

Global hypermarket retailer with online shopping

Carrefour operates hypermarkets, supermarkets, and convenience stores worldwide, selling groceries, electronics, clothing, and household goods. It uses a large-scale supply chain and partnerships to offer a wide range at competitive prices, with online shopping and home delivery. It differentiates itself via global scale, omnichannel shopping that combines physical and online formats, diverse store types, and a focus on customer convenience and supplier relationships. Its goal is to provide affordable, accessible everyday essentials globally while expanding its presence and supporting social initiatives like the Carrefour Foundation.

Company size
10,001+
Company stage
IPO
Headquarters
Massy, France
Founded
1959

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