Maxime Berillon
Product & Marketing Analytics for Apps
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
I help mobile and web apps get product and marketing data their teams can trust and use on their own. Built the growth data stack at Photoroom; before that, only data analyst on Wizz (Voodoo) as it grew to 1M daily users. • Product analytics: tracking plans, Amplitude audits, A/B testing • Marketing analytics: MMP setup, attribution, ad network signals • Self-serve data people and AI tools can use on their own • Stack: Airbyte, Snowflake, BigQuery, dbt
Work experience
Senior Full Stack Data
PhotoroomFreelance
Mar 2025 - Present
1 year 8 months
Paris, France
Main data contact for the Growth team (user acquisition, SEO, CRM). • Built the growth data stack from scratch: Airbyte, Snowflake, dbt and Omni • Set up and aligned app and web tracking in Amplitude, and mobile attribution with Adjust and Meta CAPI • Made our data stack as self-serve as possible, including Omni topics with AI context so teams like Customer Success can ask their own questions in plain language
Freelance Data Consultant
Maxime BerillonFreelance
Jan 2025 - Present
1 year 10 months
Paris, France
Data missions for mobile and web apps, from tracking setup to self-serve reporting. • Photoroom: growth data stack, tracking and attribution (see role above) • Hush: Amplitude audit and metrics roadmap for the switch to a freemium model • Hoora Games: Amplitude audit, north star metric and UGC tracking after the product pivot • Yubo: user segmentation and RFM analysis
Voodoo
Jun 2021 - Sep 2024
3 years 4 months
Paris, France
Product Data Analyst @ Wizz
Oct 2022 - Sep 2024
2 years
Paris, France
Only data analyst on Wizz, a social app built by a team of about 12. The app reached 1M daily active users, and in 2023 revenue grew +300% and gross margin +600%. • A/B testing and analysis for 2-week product cycles • Data support for the launch in 20 new countries • Mobile attribution with Adjust for user acquisition • Stack: BigQuery, dbt, Mixpanel, Tableau
Data Analyst
Jun 2021 - Oct 2022
1 year 5 months
Paris, France
Central data team at Voodoo, the mobile games publisher. • Game performance analysis • Financial reporting • Analysis for the partnerships team • Data science projects
Data Scientist Intern
Adore Me
Jan 2020 - Aug 2020
8 months
New York, NY, USA
Consultant Data Scientist Intern
Ekimetrics
Jul 2019 - Jan 2020
7 months
Paris, France
Education
Institut Polytechnique de Paris
M2 Data Science
2020 - 2021
1 year 2 months
ENSAE Paris
Master of Sciences
2016 - 2021
5 years 2 months
HEC Paris
Master in Management - Programme Grande École
2016 - 2021
5 years 2 months
Lycée Janson-de-Sailly
Classe préparatoire économique et commerciale (option scientifique)
2013 - 2016
3 years 2 months
Lycée de Balagne
2010 - 2013
3 years 2 months