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Mohamed AifouniMA

Mohamed Aifouni

Data Engineer Senior | Informatica | Databricks

€650/day
Paris, FR
8-15 years
Python
Databricks
SQL
Git
Informatica

Average response time: 1 hour

Freelancer profile translated to English.
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About Mohamed

Senior Data Engineer with over 12 years of experience in the design, development, and optimization of Data and Business Intelligence solutions. Specializing in Informatica (PowerCenter, IDMC), Databricks, Python, AWS, and Power BI technologies, I work on migration projects, modernization of Data platforms, and implementation of high-value Business Intelligence solutions, from data collection to reporting through dashboards and steering indicators.

I am involved in the entire Data project lifecycle, from business needs analysis to production deployment, including modeling, data pipeline development, testing, and acceptance phases. With significant experience in the Energy, Finance, Banking, and Insurance sectors, I am recognized for my technical expertise, my understanding of business challenges, and my role as a technical referent within development teams.

  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • ENGIE Local Energy Infrastructures
    Senior Data Engineer
    ENERGY AND UTILITIES
    July 2024 - Today (2 years)
    Puteaux, France
    PROJECT 2: Informatica to Databricks Migration: Strategic initiative to transform the ENGIE Solutions Data platform by migrating existing Informatica flows to Databricks, while modernizing data processing and valorization capabilities (ingestion, transformation, historization, reporting).

    Area of Intervention

    Analysis and preparation: mapping of flows and Informatica reverse engineering.
    Development of Python scripts under Databricks
    Adaptation of Power BI reports
    Execution of unit tests and acceptance testing before production deployment.
    Delivery of flows to production with GitLab.
    Writing technical documentation in Confluence.
    Databricks Python PySpark Informatica PowerCenter SQL Server
  • Engie solutions france
    Data Engineer INFORMATICA
    ENERGY AND UTILITIES
    September 2022 - June 2024 (1 year and 9 months)
    Puteaux, France
    Project: Portfolio Cleansing: identification of customer contracts to be cleansed from the ROC per contract to improve portfolio profitability, reduce deficit contracts, and implement dashboards for monitoring financial indicators: Revenue, Gross Margin, FG, and ROC.

    AREA OF INTERVENTION:

    Scoping business needs
    Creation of JIRA tickets for task tracking.
    Facilitating workshops
    Participation in solution modeling
    Creating connections to data sources: Oracle, Salesforce, and SQL Server.
    Development of Informatica flows.
    Creation of Data Sources and AWS S3 buckets.
    Defining permissions
    Delivery of packages to UAT/PROD
    Unit tests
    User interaction and assistance for acceptance testing
    Assistance with production deployment
    Writing technical documentation in Confluence.

    CROSS-FUNCTIONAL TASKS

    Informatica Platform Administrator
    Technical referent within the development team
    Monitoring the availability of Informatica services.
    Delivery of developments to production
    Creation of Informatica Cloud users.
    Production monitoring
    Bug fixing and maintenance of existing systems
    Evolution of existing systems.
    Informatica PowerCenter informatica cloud Microsoft Power BI SQL Server Shell
  • ENGIE COFELY
    ETL Informatica Consultant
    ENERGY AND UTILITIES
    November 2017 - December 2024 (7 years and 1 month)
    Puteaux, France
    Project: DATAHUB: as part of a team of ten developers, contributing to the centralization of company data in a single data warehouse and the development of KPI reports for operational and financial departments.

    AREA OF INTERVENTION:

    Definition of relevant data
    Identification of data sources.
    Estimation of user story effort.
    Identification of business users.
    Development of Informatica data flows.
    Defining permissions
    Delivery to UAT/PROD
    Unit tests
    User interaction and assistance for acceptance testing
    Assistance with production deployment
    Technical documentation
    Informatica PowerCenter informatica cloud Microsoft Power BI SQL Server Oracle
Check out Mohamed's experience

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Education

  • Master 2 Data Exploration and Business Intelligence
    2013
    Master 2 Exploration Informatique des données et décisionnel
  • Master in Computer Science
    2012
    Master informatique
Check out Mohamed's education

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