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Walid El KhoukhWE

Walid El Khoukh

Cloud Data Engineer

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Walid

Cloud Data Engineer with 4+ years of experience in designing, migrating, and industrializing data platforms on AWS and GCP. Led the migration of 50+ data pipelines to Databricks with a 50% reduction in runtime and 25% in cloud costs.
  • English

    Native or bilingual

  • French

    Fluent

  • Arabic

    Native or bilingual

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

Experience

  • SOCOTEC
    Cloud Data Engineer • Project Manager Data
    CIVIL ENGINEERING
    January 2025 - Today (1 year and 5 months)
    Île-de-France, France
    — Led the migration of 50+ pipelines from an on-premise datalake (Airflow, MinIO) to AWS / Databricks, with a refactoring of the architecture into Medallion (Delta Lake). — Designed batch and incremental ingestion flows via Fivetran, and developed Spark transformations. — Implemented data access governance via Unity Catalog and RLS. — Results: 50% reduction in average processing runtime and 25% in platform costs. Environment: AWS, Databricks, PySpark, Spark SQL, Delta Live Tables, Fivetran
    Amazon Web Services Databricks Apache Spark Python
  • SOCOTEC
    Data Engineer • Technical Project Lead
    SOFTWARE PUBLISHING
    October 2023 - January 2025 (1 year and 3 months)
    International Finance Analytics Program — Project leadership on the international finance reporting unification program. — Developed Apache Airflow DAGs for the ingestion of financial data and exchange rates via Kyriba API, with calculation and validation of Group KPIs, using a Medallion architecture. — Designed Power BI dashboards with access governance by department and country (RLS). — Supervised 2 interns successively: code review, task allocation, mentoring, and evaluation. — Results: reduction in closing cycle time, coverage of 18 countries / 12 currencies. Environment: Apache Airflow, Apache Spark, S3, Delta Lake, Kyriba API, Power BI
    Apache Spark Microsoft Power BI Apache Airflow
  • SOCOTEC
    Data Engineer
    REAL ESTATE
    February 2023 - October 2023 (8 months)
    Pilot Project — Replaced Excel-based piloting with a centralized data solution for monitoring the vehicle fleet (fuel, claims, vehicle park). — Designed an ELT pipeline processing 10M+ lines/month: cleaning, historization, and production of validated tables. — Developed 3 Power BI dashboards (30 visuals) for operational monitoring. — Results: data-driven management of levers, reduction of average claims cost per vehicle by 9%. Environment: Apache Airflow, Spark, S3, Delta Lake, Oracle, Power BI

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Education

  • State Engineering Degree
    National School of Mines of Rabat
    2022
    Diplôme d'Ingénieur d'État
  • Astronomer Certification – Apache Airflow Fundamentals
    Mohammed V High School
    2019
    Astronomer Certification – Apache Airflow Fundamentals

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