About Simon
French
Native or bilingual
English
Fluent
Experience
- Crisp IMChurn & Retention Analyst · SaaS Data ConsultantSOFTWARE PUBLISHINGOctober 2025 - Today (8 months)Nantes, FranceBusiness 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 GmbHData EngineerDIGITAL AND ITMay 2023 - October 2025 (2 years and 5 months)Berlin, GermanyData 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.
- Diabolo.ioSoftware EngineerBANKING AND INSURANCEJune 2022 - August 2025 (3 years and 2 months)Nantes, FranceI selected and integrated automated trading strategies on the Diabolo online trading platform.3-month internship followed by a freelancing mission during graduate school.
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Education
- MEng in Computer Science & Data EngineeringPolytech Nantes20245-year program: 2-year integrated prep school (Maths, Physics, CS) followed by 3-year engineering specialisation in CS & Data