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El Hajjioui MohammedEH

El Hajjioui Mohammed

Data Engineer

€630/day
Paris, FR
8-15 years
Spark
Scala
SQL
Big Data
HDFS

Average response time: 1 hour

Freelancer profile translated to English.
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About El Hajjioui

With a passion for technology and over 10 years of professional experience, including more than 7 years specializing in data engineering, I have acquired considerable expertise in data analysis and utilization. This expertise has enabled me to optimize added value for clients by effectively supporting them in developing their business strategies.

As a data engineer, I possess proven skill in the complete management of Big Data projects, from design to implementation. My skills include:

Creating data pipelines tailored to specific needs
Collecting, analyzing, and modeling complex data.
Providing advice on best practices in data development and engineering (DataOps).
Implementing efficient automation and deployment processes.

  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • La banque postale
    Senior Data Engineer
    June 2024 - Today (2 years and 2 months)
    Project: within the BEDL team (Business and Local Development Bank)
    Design and implementation of information system feeding flows
    operational for the Savings and Market Products scope: term deposits, capitalization
    contracts, financing and guarantees, cash facilities and overdrafts. Production and
    restitution of the consolidated end-of-month view of accounts by client.
    . Design and execution of the CAC mail project
    • Development of data lake feeding flows
    • Design and implementation of Batch treatments in spark/scala
    • Enrichment, transformation, and aggregation of raw data from ingested
    raw data.
    • Implementation and automation of continuous deployment processes: DevOps
    • Writing technical documentation
    • Participation in technical and functional acceptance phases
    Dataiku, Apache Spark, Hive, GitLab, Script Shell, Scala, Splunk Dataiku DSS Spark Scala Hive
  • CNP assurances
    Big Data Engineer
    BANKING AND INSURANCE
    January 2018 - June 2024 (6 years and 5 months)
    Paris, France
    As part of the digital transformation of CNP and the development of its internal Data offerings, I participated in the redesign and migration of standard ETL processes to an On-Premise Big Data platform (HDFS, Hive, Yarn, Tez, Spark, BigIntegrate).
    • Support the client in consolidating and enriching raw data for business exploitation (reporting, analytics).
    • Participation in the development of a generic library facilitating the creation and submission of new Spark treatments.
    • Mapping of existing treatments and data (Legacy / ETL).
    • Implementation and deployment of batch jobs (Big Integrate): design of ingestion pipelines from various data sources (Oracle, file systems).
    • Design and development of batch treatments: normalization, enrichment, and aggregation pipelines for ingested data.
    • Automation of continuous deployment processes in a DevOps approach.
    • Writing technical documentation related to the migration.
    • Participation in technical and functional acceptance phases
  • Orange
    Data & Business Intelligence Engineer
    February 2017 - January 2018 (11 months)
    Los Lagos Region, AR, Chile
    Commercial activity steering (PILCOM), implementation of a unified customer view:
    - Participation in the development of a Spark POC for ingesting raw data into the Data Lake (HDFS)
    - Development, maintenance, and evolution of DataMarts and indicators for Orange's commercial steering
    - Facilitation of meetings, Agile methodology (Mingle, scrum)
    - Implementation of DataMarts in Datalab, enabling rapid and direct data access for business users
    - Writing technical specifications
    - Management of production anomalies and integration of new data sources. Analysis of business/technical problems
    - Securing and guaranteeing the quality of deliverables
    - Qualification of developments
Check out El Hajjioui's experience

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Education

  • BigData
    Swiss Federal Institute of Technology Lausanne
    2020
    BigData
  • Master 2 Software Engineering for the Digital Society, Business Intelligence
    Center for Education and Research in Computer Science (CERI)
    2014
    Master 2 Ingénierie du Logiciel pour la Société Numérique, Informatique Décisionnelle
Check out El Hajjioui's education

Certifications

Skill set

Extract, Transform, Load (ETL)
Java
Hive
Hadoop
Sqoop

Categories