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Lamine RouaneLR

Lamine Rouane

Data Engineer – SQL, GCP, ELT, Airflow

€350/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Lamine

GCP specialized Data Engineer, I work on the design, industrialization, and maintenance of ELT pipelines for high-volume data platforms.

I support technical and business teams across the entire data chain:
– Design and development of ELT pipelines on GCP (BigQuery, Cloud Storage, Pub/Sub)
– Workflow orchestration via Airflow / Cloud Composer
– Development and maintenance of dbt models (tests, documentation, data quality)
– Data Warehouse modeling (staging, ODS, marts)
– Improvement of data quality and reliability of the RUN
– Participation in data tool migration projects (Semarchy → dbt)
– Automation, industrialization, and CI/CD

Accustomed to demanding cloud environments, I offer robust, documented, and usable solutions, focused on performance, reliability, and business use.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • CGI - AG2RLM
    Data platform migration – Semarchy to dbt on GCP
    BANKING AND INSURANCE
    November 2023 - Today (2 years and 9 months)
    Paris, France
    Migration and industrialization of a data platform on GCP, with the implementation of reliable ELT pipelines usable by business teams.

    – Migration of the Semarchy data platform to dbt, with support for Business Units in adopting new uses.
    – Development and maintenance of dbt models on BigQuery: tests, documentation, structuring of ELT pipelines, and continuous improvement of data quality.
    – Contribution to the industrialization of data flows and the reliability of the RUN via dbt.
    – Implementation of a dual run to secure the transition and ensure data continuity.
    – Collection, reading, and enrichment of multi-BU data in the GCP cloud.
    – Use of an ELT tool (Stambia) for the integration and enrichment of business data.
    – Contribution to the creation of dashboards facilitating data analysis and decision-making.
    Semarchy SQL DBT Google Cloud Platform (GCP) Airflow
  • GROUPE ROCHER
    RUN & data quality – data platform on GCP
    FASHION AND COSMETICS
    September 2022 - October 2023 (1 year and 1 month)
    Issy-les-Moulineaux, France
    Operational maintenance (RUN) and data quality improvement on a data platform hosted on GCP.

    – Daily RUN monitoring: incident analysis, root cause identification, and implementation of fixes to ensure the availability and reliability of data flows.
    – Development of automated data quality controls on ingestion flows in the GCP environment to secure pipelines and detect anomalies upstream.
    – Processing of right-to-be-forgotten requests (GDPR) in a secure environment, managing sensitive data and complying with regulatory constraints.
    – Evolution and maintenance of existing processes as part of the data platform version upgrades and continuous process improvement.
    Google Cloud Platform (GCP) SQL Airflow Python Google Data Studio
  • Konny Europe
    IT Audit & support for system digitalization
    CONSULTING AND AUDITS
    September 2021 - September 2022 (1 year)
    Rueil-Malmaison, France
    Audit of the information system and support for digitalization for several entities, in direct liaison with the IT department.

    – Conducting a global audit of the IT system of different entities, under the supervision of the CIO, to identify weaknesses, areas for improvement, and modernization opportunities.
    – Supporting firms in their digitalization process: optimizing tools, uses, and IT practices.
    – Role of IT referent, providing technical support, advice, and coordination to teams.
    – Development of the company's showcase website, contributing to visibility and digital communication.
    SQL Python Wordpress Cegid Google Cloud Platform (GCP)

Recommendations

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Seddik Z. and 1 other person have recommended Lamine

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Education

  • Computer Science and Information Systems Engineer, Data Science Track
    EPSI-Paris Engineering School
    2023
    Ingénieur en informatique et système d'information Parcours Data Science
  • Computer Science Bachelor's Degree
    University Paris Est Créteil Val de Marne
    2021
    Licence informatique

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