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Mohamed B.MB

Mohamed B.

Data Engineer | AWS | Snowflake | dbt

€490/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mohamed

Data Engineer | Data Platforms | Cloud & DataOps | Modern Data Stack

Is your data platform difficult to maintain, are your pipelines unreliable, or are your teams struggling to leverage data?

I help startups, scale-ups, and large corporations design, implement, and evolve robust, high-performing, and maintainable data platforms, both on-cloud and on-premise.

As a Data Engineer (formerly Data Scientist), I work across the entire data chain: ingestion, transformation, storage, orchestration, and data provisioning for business and analytics teams.

Based in Lyon, I am available for assignments in France and Switzerland.

What I do in practice:

→ Design and deployment of modern data platforms
Data Lake & Data Warehouse (Snowflake, BigQuery, Redshift, ClickHouse), data modeling, and scalable architectures.

→ Development of reliable ELT/ETL pipelines
Connecting to databases, APIs, files, and real-time streams, with automation and monitoring.

→ Orchestration & DataOps
Setting up workflows with Airflow, dbt, CI/CD, quality control, and data governance (catalog, documentation, metadata).

→ Data utilization
Connecting to BI tools (Looker, Power BI, Tableau) and deploying Machine Learning models.

My approach:

I adapt to your organization's data maturity: scoping, MVP, cloud migration, or long-term support.
Autonomous and results-oriented, I integrate easily into existing teams and promote knowledge transfer to ensure their independence.

Do you have a data need or want to strengthen your team?
Let's talk to define a solution tailored to your challenges.
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Fluent

Can work on-site
Lyon (up to 50km), Ferney-Voltaire (up to 50km), Paris (up to 50km), Bordeaux (up to 50km), Marseille (up to 50km)

Experience

  • Dominos
    Data Engineer / Analytics Engineer
    RESTAURANTS AND FOOD SERVICE
    January 2021 - October 2025 (4 years and 9 months)
    Paris, France
    → Mission Objective:
    Design, industrialize, and operate data pipelines to provide reliable analytics, actionable dashboards, and automated tools that meet the needs of business and decision-making teams.

    → Achievements:

    Close interaction with internal teams to understand business needs and translate business challenges into actionable data solutions → better alignment between data and decision-making.

    Ingestion and processing of data from multiple sources (databases, cloud, files) using AWS, GCP, Python, SQL, and Snowflake → large-scale data centralization and reliability.

    Design, development, and maintenance of automated data pipelines → continuous generation of insights and reduction of manual processing.

    Development of automated dashboards and analytical solutions → improved analysis efficiency and time savings for internal teams.

    Creation of clear and educational visualizations (Tableau, Power BI, Matplotlib, Seaborn, Plotly) → simplification of complex analyses for non-technical audiences.

    Facilitation of agile rituals (daily stand-ups), task tracking, and blocker resolution via JIRA → smooth project progress and effective communication with stakeholders.

    Training and support for users in dashboard creation and Snowflake usage → upskilling of teams and cost reduction related to bad practices.

    Implementation of CI/CD practices and code management via Git and Azure DevOps
    → more robust, maintainable, and industrialized data pipelines.

    → Technical Stack:

    Python, SQL, Snowflake, AWS, GCP, Pandas, NumPy, Scikit-learn, Matplotlib, Seaborn, Plotly, Tableau, Power BI, Git, Azure DevOps, JIRA.
    Python SQL Amazon Web Services Spark Microsoft Power BI
  • AXA
    Digital Data Engineer
    BANKING AND INSURANCE
    April 2020 - January 2021 (9 months)
    Weybridge, Walton on Thames, England, United Kingdom
    → Mission Objective:
    Design and deploy automated cloud data solutions to provide reliable and usable data sources for Analytics teams and internal clients, supporting data-driven decision-making.

    → Achievements:

    Development and deployment of solutions on Google Cloud Platform (Cloud Functions, BigQuery) → automation of data collection and processing from multiple APIs.

    Implementation of reliable and documented data sources in close collaboration with the Analytics and business teams → improved knowledge sharing and data utilization.

    Management and utilization of data entered by users via Google Firebase (web and mobile) → consistency of multi-platform data.

    Collaborative work via Git → version management, development organization, and continuous improvement of data solutions.

    → Technical Stack:
    Google Cloud Platform (Cloud Functions, BigQuery), APIs, Google Firebase, Git, Spark, Google Analytics, AWS, Data Engineer, Python
    Apache Spark Google Cloud Platform (GCP) Google Analytics 4 Data Engineer Amazon Web Services
  • YUM
    Data Scientist
    RESTAURANTS AND FOOD SERVICE
    August 2019 - January 2020 (5 months)
    London, UK
    → Mission Objective:
    Identify operational practices with the highest impact on sales growth, profitability, and customer reviews, using structured and unstructured data, to guide the group's strategic decisions.

    → Achievements:

    Correlation analysis and predictive modeling on audit and sales data from all Pizza Hut restaurants in the UK → identification of key drivers of commercial performance.

    Development of sales forecasting models using time series with XGBoost → improved forecast accuracy.

    Hyperparameter optimization via genetic algorithms → enhanced model performance and robustness.

    Text analysis and topic modeling on customer reviews → in-depth understanding of factors influencing customer satisfaction and perception.

    Implementation of Explainable AI (XAI) techniques → clear interpretation of results and adoption by business teams.

    → Results:
    Production of a prioritized list of behaviors and practices with the highest impact on sales growth, profitability, and customer reviews, as well as highlighting the relationships between operational practices and business performance.

    → Technical Stack:
    Python, XGBoost, Genetic Algorithms, NLP / Topic Modeling, Time Series Analysis, XAI, Data Science, SQL, GCP, NLP
    SQL Python Google Cloud Platform (GCP) Data science Natural Language Processing (NLP)

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Education

  • Bachelor of Science in
    Goldsmith, University of London
    2018
    Bachelor of Science in
  • Master of Science in Data Science
    City, University of London
    2019
    Master of Science in Data Science

Certifications

Skill set

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