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Yassine J.YJ

Yassine J.

EPM / DATA / BI Consultant

€667/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Yassine

Expert EPM Essbase and confirmed BI Consultant

With over 10 years of experience in EPM (Essbase) and BI environments, I support companies in their strategic projects related to multidimensional analysis, infrastructure migration, and process automation.
  • French

    Native or bilingual

  • English

    Conversational

  • Arabic

    Native or bilingual

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

Experience

  • Veolia
    EPM & Data Consultant
    ENVIRONMENTAL
    January 2022 - April 2024 (2 years and 4 months)
    Saint-Maurice, France
    Finance & HR Project – EPM / Data Engineering & Analytics

    🔹 SNI Application (Essbase / Hyperion Planning – Unpaid Dues Tracking)
    • Maintenance and evolution of an analytical Essbase cube for monthly tracking of unpaid dues, credit notes, non-recoverable amounts, RNI, recovery fees, and collection speed.
    • Quarterly calculation of provisions and automatic integration into SAP AGORA.
    • Optimization of closing workflows via Shell/SQL and One-Automation.
    • Automation of exports/imports of artifacts and data for testing environments.
    • Monitoring of data quality and validation of consistency checks with source systems.
    • Participation in technical and functional audits (KPMG, EY).
    • Evolution of provision calculation rules in conjunction with the accounting department.
    • Development of an analytical model for tracking unpaid dues by contract.
    • Administration of user rights and roles in Essbase.

    🔹 HR Reporting – Business Objects (META4 & CHRONOGESTOR - IGT)
    • Management of authorizations and access rights (profiles, roles).
    • Optimization and industrialization of HR reports.
    • Monitoring of monthly flows between META4 and BO, proactive incident resolution.

    🔹 Data Engineering – CDD Warehouse & One-Automation
    • Supervision of data flows between the CDD warehouse and 15 business applications.
    • Optimization of pipelines to improve data performance and availability.
    • Processing of production incidents and implementation of quality controls.

    🔹 APPRO EPGL Project – Cloud Migration & Security
    • Migration to AWS (public network), configuration of access and hardening of WEB-RDS connections.
    • Implementation of a WAF and securing exchanges via certificates and security groups.
    • SSO integration with Keycloak in an ASP.NET application.
    • Performance tests, documentation (DAT, switchover plan), and team support.
  • STIME
    BI Consultant Essbase / Hyperion Planning / Shell
    January 2020 - January 2022 (2 years)
    Ile-of-France, France
    Budget Planning Project – Hyperion Planning / Essbase:

    - Development and maintenance of feeding flows via FDMEE, with mapping of source files, management of loading rules, and automation of integrations to Planning cubes.
    - Implementation and optimization of Business Rules, Calc Scripts, and Data Forms, adapted to business user needs.
    - Supervision of batch processes via Automic, management of dependencies, and automatic retries in case of failure.
    Monitoring of Essbase cube performance (BSO/ASO), restructuring, index optimization, and metadata management.
    - Level 2/3 technical support: analysis of loading anomalies, session blocks, consolidation errors, and corrections in logs.
  • client Carrefour
    Essbase / Shell / BI Consultant
    January 2018 - January 2020 (2 years)
    Ile-of-France, France
    CG Project: decision-making application for steering and performance monitoring in the Management and Finance domain for Carrefour Gestion.

    Mission
    Carrefour Gestion & CABB (Essbase) MEVO & RUN: Evolution and Operational Maintenance
    • Analysis of the specifications and functional specifications
    • Design and development of technical specifications
    • Development and execution of SH / PLSQL / MAXL / MDX processing scripts
    • Multidimensional modeling of data warehouse and datamart.
    • Evolution of DLR for loading dimension and data repository
    • Evolution of MDX calculation scripts for consolidation and aggregation
    • Evolution of automation scripts and Microsoft VBA reports and calculation formulas
    • Correction and evolution of PLSQL procedures and functions
    • Optimization of PL/SQL queries in ETL and REPORTING
    • Analysis of problems and proposal of workarounds.
    • Development of preventive/corrective measures for any detected anomalies.
    • Participation in monthly on-call duties to ensure service continuity.
    • Management of user connection incidents (security groups/filters)
    • Manage performance issues – (Oracle index, RAM, and UNIX PROCESSES)
    Technical Environment Hyperion Essbase V11, Oracle 12g, Red Hat Enterprise 7.2 (SQL*Loader - PL/SQL), GIT-SVN, UNIX SHELL, Smart view, Microsoft VBA, Jira and Confluence, Windows Server 2016

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