Freelancer profile translated to English.

Description

Passionate about data projects, I work on data science issues for business support and intelligent digital transformation. I also teach Database Management Systems (DBMS) and Python courses at the University of Paris Sorbonne since September 2019.

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

OPCO EP
Business Data Analyst / Data PPO
EDUCATION AND E-LEARNING
January 2025 - Today (1 year and 5 months)
Paris, France
Managed the modeling of business data processes to structure data collection, quality control, transformation, and reporting flows within an OPCO decision-making environment.

Designed and managed end-to-end data flows, currently using Dataiku and transitioning to Talend, across multiple domains: Branches, Employment, Apprenticeship, Professions, and Occupational Health. Defined SFTP directory structure, metadata catalogs, and CSV schemas to facilitate development integration.

Participated in the drafting of the Technical Design Document (DAT) with architecture and infrastructure teams: defined data deliverables, selected storage solutions, secured transfers via SFTP, scoped storage areas, and defined RTO and RPO.

Designed and maintained conceptual, logical, and physical data models (MCD, MLD, MPD) and UML diagrams. Wrote DDL/DML scripts and SQL queries for KPI calculations.

Monitored the creation of indicators in Jira: created Epics, User Stories, acceptance criteria, reported inconsistencies, provided data quality support, and coordinated with developers to ensure business compliance. Implemented a Jira for data project tracking and supervised a team of 3 data analysts.
Collaborated with project managers, UX/UI designers, and business stakeholders during scoping workshops, Design Thinking sessions, and mock-up validation to ensure alignment between business needs, data, and user experience.

Defined the data refresh strategy: annual or quarterly frequency, selection rules for reference territories, aggregation levels, and fallback logic.

Implemented data governance: metadata repository, data catalog.
Provided business support for anomaly remediation and presented the governance workflow to branches, unions, and works councils.

Sources handled: SAP BO, PostgreSQL, Excel, API
Data Galaxy Dataiku Atlassian JIRA draw.io SAP Business Objects
Biogen
Data Analyst/Business Analyst
December 2022 - December 2024 (2 years)
Supported product and marketing teams in implementing digital strategies for Cleo and Konectom (SAMD) applications, improving user engagement and compliance with clinical programs.
Analyzed patient and healthcare professional flows via the SAMD dashboard, performing precise segmentations based on adherence and compliance, contributing to a better understanding of user behaviors.
Participated in the entire data-driven product creation cycle, from defining technical and functional requirements to creating business dashboards, ensuring optimal data governance and confidentiality.
Conducted traffic analysis to monitor application performance, running A/B tests to
integrate new features and improve user experience.
Identified and tracked patient conversion KPIs to align monthly and annual objectives with engagement strategies.
Collaborated with product, privacy, and data science teams to ensure data collection, storage, and utilization within the data lake, while guaranteeing data integrity and compliance.
Created and maintained user-oriented dashboards, streamlining data flows between backend and frontend sources for accurate analysis.
Ensured data migration from the US cloud to the European cloud, and monitored data integration and
maintenance during Build and RUN phases.
Google Data Studio DBT Big Query Google Tag Manager Google Analytics 4
Decathlon
Business/Data Analyst in HR
HUMAN RESOURCES
December 2021 - December 2022 (1 year)
Lille, France
Implemented HR indicator tracking dashboards for Decathlon business units:

Participated in weekly meetings for each HR product with the data and DevOps teams, product owner to set objectives (OKR) and monitor progress.
Contributed to the creation of the Academy software for Decathlon employee e-learning by working closely with data owners to improve the product based on quality rules: Construction of a new hierarchical dictionary.
Analyzed Decathlon employee CRM data and implemented data quality rules with data owners/Data Governance Manager.
Created a quality indicator tracking dashboard and participated in remediation campaigns with countries for continuous improvement.
Developed the specifications document including Business indicators to track (3P) for the French HR Director and unified requirements for the United scale.
Led the BI project: Capital Human for the United Level and roadmap for tracking tabs in production. Scoped data functional requirements and prioritized the product backlog.
Studied the AWS migration project -- Data Bricks: Estimated costs / required migration period.
Managed the migration from the old stack (AWS) to the new BI stack (Data bricks/Tableau). Prepared dashboard mockups for UX.
AWS (Redshift , Quicksight) , Tableau software , Databricks , data studio , Pyspark, Notion , Asana