Data Analyst / Data Analytics Engineer (F/H) - Freelance

Context

As part of high-impact business transformation initiatives, we are looking for a Data Analyst / Data Analytics Engineer to join the Data Insights & Analytics Chapter within the broader Data team. This incumbent will be based in Issy-les-Moulineaux and supports a range of critical analytical and reporting activities.

Missions

• Conducting impact analysis and assessments of transformation projects on existing business KPIs and operational processes

• Delivering targeted analyses based on evolving business requirements

• Adjusting and strengthening the reliability of major monitored KPIs, particularly across Loyalty, Topline, Sales, and other strategic business dimensions

• Designing, maintaining, and enhancing critical performance reporting, while ensuring consistency across multiple data sources

• Reviewing KPI definitions, calculation rules, and reporting scopes to ensure alignment with business changes and transformation impacts

• Contributing to testing and validation activities for changes affecting data, KPIs, or reporting outputs

• Identifying and escalating inconsistencies, deviations, or breaks in reporting indicators

• Supporting project scoping phases by translating business needs into actionable analytical requirements and ensuring overall consistency with existing reporting frameworks

Deliverables

• Conducting impact analysis and assessments of transformation projects on existing business KPIs and operational processes

• Delivering targeted analyses based on evolving business requirements

• Designing, maintaining, and enhancing critical performance reporting, while ensuring consistency across multiple data sources

• Contributing to testing and validation activities for changes affecting data

• Adjusting and strengthening the reliability of major monitored KPIs, particularly across Loyalty, Topline, Sales, and other strategic business dimensions

• Reviewing KPI definitions, calculation rules, and reporting scopes to ensure alignment with business changes and transformation impacts

Tools & Environment

• Advanced proficiency in data visualization and data preparation tools including but not limited to: Tableau, Dataiku, dbt

• Strong expertise in SQL and Snowflake

• Knowledge of request management methods (backlog management and ticketing tools), ideally ServiceNow and Jira

• Understanding of data lineage and reporting logic

Working Conditions

• Fluent in English and French

• This role requires a strong ability to operate in a fast-paced, transformation environment, manage complex data topics with business impact, and ensure continuity and reliability of strategic performance reporting