Sacha B.

As a Data Analyst at JobTeaser, I played a central role in structuring the analytics environment and democratizing data within the product, marketing, and management teams.

✦ Main achievements:

Complete deployment of Amplitude Analytics

→ Setup from scratch: definition of the tracking plan, product integration, creation of key events.

→ Creation of a collaborative tracking plan model via Git/Github, facilitating continuous maintenance by developers.

→ Training of teams (product, marketing, tech) on the use of the tool and data-driven best practices.

Construction and modeling of the DBT environment

→ Co-construction of a data transformation ecosystem with a mixed team of 2 Data Engineers and 2 Data Analysts.

→ Implementation of robust and documented business models to feed analyses and visualization tools.

Expertise in Tableau Software & Cloud

→ Development of dozens of custom dashboards for Sales, Marketing, and Product teams.

→ Conducting business workshops to identify relevant KPIs and ensure visualizations align with business objectives.

Support for product & marketing teams

→ Ad hoc analyses for optimizing the conversion funnel, email campaigns, and user retention.

→ Cohort tracking, A/B testing, behavioral analyses.

At Dernier Cri, I worked within a multidisciplinary team as a Data Analyst, undertaking various missions for major groups. My role consisted of transforming business needs into actionable visualizations and segmentations.

✦ Missions carried out:

Auchan Retail

→ Implementation of commercial performance dashboards for monitoring sales and customer behavior online and in-store.

→ Close collaboration with CRM and marketing teams to define strategic KPIs.

→ Creation of advanced customer segmentation to optimize loyalty campaigns.

Groupe SEB

→ Design of Tableau reports to visualize the effectiveness of international digital campaigns.

→ Integration and transformation of data from multiple sources (GA, CRM, e-commerce platforms).

→ Support for business teams in reading and interpreting results.

✦ Skills utilized:

Data visualization: Tableau, Power BI

Data manipulation & preparation: SQL, Excel, client internal tools

Definition of business indicators, active listening to needs, clear and pedagogical reporting

At Monoprix, through Sarenza, I carried out analytical and technical missions for the CRM, marketing, and data teams. My work covered the entire value chain: from predictive modeling to the operational management of the Adobe Campaign platform, including analysis and data visualization.

✦ Main achievements:

Modeling & predictive analysis

→ Construction of a customer LTV (Life Time Value) model in Python, to better value segments in CRM campaigns.

→ Realization of supervised (classification) and unsupervised (segmentation, clustering) modeling.

→ Cross-analysis of quantitative & qualitative data, with cleaning and preparation via BigQuery (GCP).

Data visualization & reporting

→ Creation and automation of dashboards and reports in Excel and Tableau Software.

→ Monitoring of marketing campaign performance, customer lifecycle, and acquisition channels.

Administration of Adobe Campaign Classic

→ Technical referent for the platform.

→ Creation of CRM campaign templates and automation of database update workflows.

→ Technical interface between CRM and data teams, ensuring the reliability of dispatches and the relevance of targeting.