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Mehdi DardaniMD

Mehdi Dardani

Trainer & Data Engineering Consultant

€800/day
Saint-Aubin-lès-Elbeuf, FR
15+ years
Training Facilitation
Technical Consulting
Data Audit
Apache Airflow
GCP Data Engineer

Average response time: 1 hour

Freelancer profile translated to English.
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About Mehdi

Who I am

I am a Data Engineering trainer and consultant, with strong field experience in designing and industrializing modern data platforms.

I support data, dev, and product teams in building skills, structuring their practices while maintaining a high level of quality and governance.

Type of availability

Currently on a long-term assignment as a Senior Data Engineer, I remain available for short and one-off assignments in professional training and consulting/auditing on the Data Engineering, GCP Cloud stack.

Adapted formats:in-company training, technical audits, scoping workshops, occasional support on Airflow, Iceberg, Trino, BigQuery, Lakehouse architecture topics.

Who my interventions are for

I primarily intervene with:
  • Data / BI teams migrating to a modern data warehouse (BigQuery, GCP, etc.).
  • Data engineers / developers who want to industrialize their pipelines (Airflow, Beam, Spark…).
  • Product / business teams who need to understand the data chain and quality issues.
  • Organizations that want to structure the use of AI to boost the productivity of their teams

Training topics

I offer 100% operational training, based on real-world cases:
  • Data Engineering: batch/stream pipeline design, orchestration, and industrialization
  • Advanced Airflow: migration to Airflow 3, DAG optimization, complex dependency management, testing, monitoring, and good production practices.
  • Cloud Data Warehouse: modeling, performance, cost management, and best practices on BigQuery.
  • Data Contracts & Quality: definition of data contracts, testing strategies, monitoring, and quality observability.
  • Mastering AI Tools: mastering AI agents to boost daily productivity, connecting LLMs, and orchestrating workflows with n8n.
E-commerce
Software Publishing
Consulting and Audits
Education Companies

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Saint-Aubin-lès-Elbeuf (up to 50km), Paris (up to 50km)

Experience

  • Veepee
    Senior Software & Data Engineer
    E-COMMERCE
    June 2022 - Today (4 years and 2 months)
    Bigxit is a strategic initiative aimed at migrating Veepee's data infrastructure from Google BigQuery to a sovereign on-premise solution based on Apache Iceberg, Trino, and Ceph S3.

    Cross-functional role between software development and data engineering:
    • Design, development, and optimization of massive data ingestion pipelines with Apache Beam
    • Development of advanced extensions for the open-source library IcebergIO (Protobuf mapping, timestamps, dynamic partitioning)
    • Contribution to multi-domain architecture (Kubernetes) and parallel BigQuery/Iceberg ingestion (dual run)
    • Writing technical documentation, architecture specifications, integration guides
    • Close collaboration with Data Governance, Data Science, and Infrastructure teams
  • LexisNexis
    Tech Lead & Senior Developer
    SOFTWARE PUBLISHING
    July 2016 - June 2022 (5 years and 11 months)
    Firco Continuity is a global standard solution that integrates Firco-Filter to provide real-time financial transaction filtering and raise alerts on fraudulent transactions

    Technical leader of Safe Agile team squad:
    • Leading the team to achieve objectives
    • Guiding and inspiring the team to deliver high-quality products
    • Design, development, and documentation of new features
    • Conducting threat modeling sessions to identify security vulnerabilities
    • Interviewing candidates and onboarding new hires

    Design and implementation of the microservices architecture for next-gen components
    • Application of Clean Architecture principles.
    • Application of Craftsmanship and SOLID principles.
    • TDD using Gherkin syntax and Cucumber Framework.
  • KEYRUS
    Developer & Tech Lead
    E-COMMERCE
    May 2013 - June 2016 (3 years and 1 month)
    Levallois-Perret, France
    Keyrus Digital Agency is a pioneer in the field of digital commerce and the integration of the Hybris (SAP) solution.

    Within the Keyrus agile team:
    • Design and Development of the E-commerce platform Rueducommerce.fr (Mobile / Desktop)
    • Design and Development of the E-commerce catalog/API for the client Altarea, deployed on the Shopping Wall terminals of the Quartz shopping center
    • Technical environment: Hybris V5.4, Java/J2EE, Spring, REST services, Hystrix, Git, Jira, Sonar, Bamboo.
Check out Mehdi's experience

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Education

  • Data science and Machine learning
    2023
    Data science and Machine learning
  • Google cloud professional data engineer
    2022
    Google cloud professional data enginner
Check out Mehdi's education

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