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Ilyass QrefaIQ

Ilyass Qrefa

Data Engineer SAP BW / Analytics & Data Migration

€700/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ilyass

SAP BW / BW4HANA & BI Specialist: robust models, reliable reporting, high-performance. I transform data into decision-making leverage. I make data actionable, understandable, and reliable for decision-makers. I bridge the gap between business needs and SAP technicals to create impactful steering tools. My role: connect business needs with concrete, measurable solutions. Impact: – ↓ processing time on critical jobs, – ↑ business adoption on key dashboards, – reduction of recurring incidents [–25%]. In parallel, I participated in data migration to SAP PS, SAP PPM & SAP FI modules, including: (1) scoping and analysis of ECC source data (2) definition and validation of mapping rules with business teams (3) implementation of mapping rules for migration to S/4HANA (4) validation and control of the quality of migrated data. Stack: SAP BW/BW4HANA, HANA, SQL, ABAP/AMDP, ETL, Data Modeling, Data Migration, Tableau/Power BI. + Automation and time savings on documentation, tests, queries). 📩 Open to freelance missions in BI & SAP BW and Data Migration.
  • Arabic

    Native or bilingual

  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Paris (up to 10km)

Experience

  • Capgemini Consulting - Capgemini Invent
    Data Engineer SAP BW / Analytics & Data Migration S/4HANA
    November 2025 - Today (9 months)
    • Analysis of SAP ECC and SAP S/4HANA project and financial structures (FI/CO, PS).
    • Structuring of complex multi-level project hierarchies (up to 12 levels).
    • Definition of migration rules for ECC Internal Orders to S/4HANA WBS.
    • Definition of scoping, mapping, and data migration rules (financial, controlling, and project data).
    • Skill development in SAP PS and PPM modules, with understanding of project structures (WBS, costs, tracking) in a functional context.
    • Leading and participating in Finance, PS, and PPM business workshops.
    • Scoping of Data Migration activities: Data Migration Cockpit, transformation rules, functional validations.
    SAP PS SAP S/4 HANA SAP FICO Data Migration
  • AOSIS
    SAP BW Consultant
    AVIATION AND AEROSPACE
    December 2024 - Today (1 year and 8 months)
    Final client AIRBUS Helicopters

    • Design of flows in collaboration with technical and functional teams to meet business needs.

    • Utilization of SAP BW for creating complex decision-making reports, including analysis of financial and operational data across different SAP modules (FICO / MM / SD / PP).

    • Development of flows using ABAP and AMDP in BW for high-value data modeling.

    • Development of flows from external databases UI5 (joins, transformation processes, Queries etc).

    • Coordination with functional teams for the validation and delivery of reports and dashboards.
  • MANASEER
    SAP BW on HANA Consultant
    DIGITAL AND IT
    June 2022 - November 2024 (2 years and 5 months)
    SAP Certified Associate - Reporting, Modeling and Data Acquisition with SAP BW/4HANA

    › Design of subject architectures;
    › Correction and evolution of the OPTIMA flow;
    › Utilization of SAP BW for creating decision-making reports and complex data transformations;
    › Building end-to-end flows in BW for the OPTIMA subject to meet reporting needs via Tableau Software (data analysis/design, calculation view, parameters etc);
    › Flow containing several DSOs, Multiproviders, Queries, ABAP programs, and AMDP script routines;
    › Creation of queries on PostgreSQL (joins, transformation processes, Queries etc);
    › Proficiency in Github for version control and repository project management;
    › Skills in using XAMPP, configuration and management of local web servers;
    › Testing and deploying applications with MySQL databases;
    › Technical and Functional Environment: Mastery of SAP BW on HANA and SAP 7.5, data flow management, development of complex reports, and integration with key functional modules;
    › Documentation of created flows;
    › Methodology: Agile
    SAP S/4 HANA Jira Service Management SQL Microsoft Power BI Tableau software

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Education

  • Master 2 (M2), Banking Finance Risk Management
    Paris 13 University
    2019
    Master 2 (M2), Banque Finance Gestion des Risques

Skill set

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