Simon Leboucher
Churn & Retention Analyst · SaaS Data Consultant
Salary / Daily rate
Nantes, France
Freelance
Can come onsite
Skills
Languages
Work experience
Retention Analyst - SaaS Data Consultant
Crisp IMFreelance
Oct 2025 - Present
1 year 1 month
Nantes, France
Business data analysis (Python, PostHog, Fincome) for customer retention insights and opportunities. Reporting to CMO and CEO. My mission included: • Measuring the impact of webinars and demos on customer retention. • Automating Fincome data ingestion for SaaS KPIs monitoring (MRR, ARR, growth, churn, cohorts) • Analyzing interactions with Crisp's customer support team to get insights about churned customers pains. • Coupling billing data with behavioral data (in-house billing system, Posthog) to get insights on churned customers behavioral patterns.
Metrilab GmbH & Co. KGFreelance
May 2023 - Oct 2025
2 years 6 months
Data Engineer
Sep 2024 - Oct 2025
1 year 2 months
As a freelancer. Data pipelines (Airflow, AWS S3, AWS Redshift) for classifieds marketplaces business intelligence. My mission included: • Structuring existing pipelines with Apache Airflow scheduler. • Implementing new data processing pipelines (100+ GB per day). • Improving pipelines robustness and observability: failure notifications, data quality checks. • Reducing data processing costs by 30% (~$4k/mo) over all Metrilab's processes: migration from a costly data wharehouse to a data lake architecture.
Data engineer
Oct 2023 - Aug 2024
11 months
1 year work-study program
Data engineer
May 2023 - Oct 2023
6 months
Berlin, Germany
6 month internship in Berlin.
Vice president
IdéSYS
Jan 2022 - Dec 2022
1 year
Nantes, France
IdéSYS is the "Junior Entreprise" of my Engineering School. We allowed the students of the school to work on technical projects related to their studies with local companies.
Developer
Diabolo.io
Jun 2022 - Aug 2022
3 months
Nantes, France
I developed the integration of automated trading strategies to the Diabolo platform (Python, JS) and managed the communication of these new features to the community.
Education
Polytech Nantes
MEng in Computer Science & Data Engineering, Computer Science & Data
2019 - 2024
5 years
Activities and societies: Student union event team member.
5-year program: 2-year integrated prep school (Maths, Physics, CS) followed by 3-year engineering specialisation in CS & Data.