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Walid S.WS

Walid S.

Data Integration Consultant/TALEND Expert

€600/day
Châtenay-Malabry, FR
8-15 years
Talend
ETL
Migration Projects
PostgreSQL
Oracle

Average response time: 1 hour

Freelancer profile translated to English.
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About Walid

Data integration consultant with over 7 years of experience, specializing in the design and development of ETL flows with Talend. Expert in managing the complete flow lifecycle, from requirements gathering to production deployment and maintenance. Versatile, rigorous, and quality-oriented profile, capable of quickly integrating into agile teams.

  • French

    Native or bilingual

  • Arabic

    Native or bilingual

  • English

    Fluent

Can work on-site
Châtenay-Malabry (up to 50km)

Experience

  • AirLiquide E&C
    Data Engineer Consultant
    ENERGY AND UTILITIES
    February 2025 - Today (1 year and 4 months)
    Charenton-le-Pont, France
    As part of the data platform modernization, intervention within a data engineering team led by a Tech Lead, with the objective of migrating, industrializing, and optimizing critical data flows from SAP.
    • Complete migration of ETL flows from SAP BusinessObjects Data Services to Talend Cloud
    • Migration and production deployment of 124 SAP flows (weekly full batch and daily delta)
    • Implementation and automation of deployments via CI/CD with GitLab
    • Development and deployment of Talend flows as well as Data Warehouse feeding processes
    • Extraction of SAP data via dedicated extractors (volumes of several million lines)
    • Advanced optimization of SQL queries and processes (reduction of processing times by 50%)
    • Migration of databases from Oracle Database to PostgreSQL
    • Participation in the complete decommissioning of BODS
    • Improvement of flow reliability (stability and data quality guaranteed in production)
    • Analysis, investigation, and correction of anomalies in the production environment
    Environment.
    ◦ ·
    Migration Projects Talend TMC PostgreSQL Oracle
  • Bureau Veritas
    Data Consultant / Business Analyst
    PUBLIC SAFETY
    January 2024 - February 2025 (1 year and 1 month)
    Courbevoie, France
    As part of an assignment within Bureau Veritas's IT department, intervention on critical B2B flows with a strong focus on data exchange reliability and operational continuity.
    • Analysis and resolution of a critical bug affecting transactions between Bureau Veritas and EDF
    • Technical lead of a developer (definition of specifications, monitoring of corrections, validation of deliverables)
    • Implementation of a correction strategy and recovery of untransmitted data
    • Execution of test campaigns and functional validation of flows
    • Direct communication with the client and monitoring of production incidents
    • Implementation of business error monitoring indicators for continuous improvement on the business side
    • Development of a reporting interface based on Talend Data Integration
    • Contribution to the design of a data architecture (mobile collection + AI → internal IS via Amazon Web Services)
    • Extraction of business rules in Data Stage for migration to Talend Cloud
    • Participation in the overall improvement of data flow reliability and quality
    Technical Environment: Talend Cloud – DataStage
    ◦ · AWS
    ◦ · Reporting tools (MAIA, ERMEO)
    ◦ · B2B Flows
    Amazon Web Services Talend Project Management ETL
  • VersoHealthcare
    Talend Data Management Consultant
    MEDICAL
    September 2023 - January 2024 (4 months)
    Puteaux, France
    As part of a B2B data reliability project, managing a data management process covering the analysis of quality, standardization, and enrichment of customer and supplier data (contact details, financial data) from external sources (INSEE, banking history).
    • Facilitation of requirements gathering workshops
    • Data quality audit with Talend Data Quality
    • Design and implementation of standardization, matching, and enrichment flows
    • Progress monitoring, investigation, and correction of anomalies
    Technical Environment: Talend Data Fabric
    ◦ · MySQL
    ◦ · Sage
    ◦ · GestLease ERP
    ◦ · INSEE
    ◦ · Banking Data
    Talend Project Management API Data Quality
Check out Walid's experience

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Education

  • Qlik Replicate Training, Talend Data Fabrics Training, Talend Cloud Training, Talend ESB v7.4 Certification
    2025
    Formation Qlik replicate Formation Talend Data Fabrics Formation Talend Cloud Certification Talend ESB v7.4
  • CI/CD – (Continuous Integration/Continuous Delivery)
    2022
    CI/CD – (Continuous Integration/Continuous Delivery)
Check out Walid's education

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