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# Data scientist - Recommerce - Causal inference (F/N/M)

- **Company:** Lebon Coin Inc
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Airflow, Python (Programming Language), SQL Databases, Databricks
- **Published:** October 16, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/ps05yxxejc

## About the Role

* Minimum 6 years of experience as a Data Scientist
 * Strong expertise in causal inference and experimentation (A/B test design and analysis)
 * Proficiency in Python and SQL; hands-on experience with Databricks and Airflow is a plus
 * Experience in predictive modelling (ML, segmentation, time series)
 * Ability to translate complex results into actionable recommendations for non-technical stakeholders
 * Curiosity and drive for concrete business impact
 * Autonomy, rigour and strong analytical mindset
 * Fluent in English
 * Fluent in French

## Description

* Design methodologies to measure the incrementality of promotional initiatives
 * Conduct exploratory and correlation analyses on historical data (revenue, GMV, supply/demand indicators…) to inform re-pricing and promotional initiatives decisions
 * Strengthen performance measurement with forecasting models and robust baseline definition

LTV (Lifetime Value) and segmentation :

 * Identify highest-LTV segments and its drivers to improve prioritization of CRM campaigns and promotional initiatives
 * Compute CAC/LTV for CRM
 * Introduce and test a trajectory-based user segmentation to react quickly to decline and churn in the top buyer and seller segments

Prototyping and Discovery :

 * Collaborate with Product MLE and DS on prototyping IA features (weight suggestion, delivery times…)
 * Run exploratory analysis around improving sell-through (= time between an ad listing and its sale)

Avantages du poste

 * Company health insurance
 * 50% reimbursement of your public transport pass
 * 25 days of annual leave and 12 RTT days (additional rest days)
 * A Swile meal card worth €9 per day

_At leboncoin, we believe that diversity in backgrounds, experiences and perspectives is essential. This commitment is reflected in our recruitment process: we assess every application solely on the basis of skills, experience and motivation, without any form of discrimination.

If you need any specific accommodations during the recruitment process, please let us know. We'll be happy to support you._