Florent Martineau
Verified Expert in Engineering
Data Scientist and Software Developer
Paris, France
Toptal member since February 14, 2022
Florent is a data professional with five years of experience in marketplaces and data on tech companies like Amazon, eBay, and two French unicorns, Manomano and Ankorstore. He excels in providing strategic impact by analyzing problems through data and presenting the findings to executives. Florent also has extensive analytics engineering experience with Airflow, ETL, SQL, data modeling, and dashboarding.
Portfolio
Experience
- ETL - 7 years
- Python - 5 years
- Web Scraping - 5 years
- Analytics - 5 years
- SQL - 5 years
- Programming - 5 years
- Dashboards - 5 years
- Entrepreneurship - 3 years
Availability
Preferred Environment
SQL, Python, Apache Airflow, TypeScript
The most amazing...
...insight I've had was finding an untapped, highly profitable user segment that led to dozens of millions of euros in additional sales when tapped.
Work Experience
Data Engineer
PepsiCo
- Built a full data pipeline, from data ingestion (Python scripts) to scheduling (Airflow), Transformation (dbt), and visualization (ThoughtSpot).
- Enabled the project to move quickly with strong communication and project management. I ensured we could parallelize tasks as much as possible to reach deadlines.
- Built integrations with several data sources' APIs.
CTO
Data Now
- Built a production-grade no-code platform with four customers, generating €1,000 MRR in four months.
- Interviewed 150+ people to understand their problems and find the right idea.
- Built a business plan, pitched, and successfully raised €100,000 pre-seed investments.
- Led a team of full-stack developers, defining roadmap and architecture.
Senior Data Analyst
Ankorstore
- Built Ankorstore's main reportings while scaling from 40 to 500 employees in nine months.
- Onboarded and trained ten data analysts in four months.
- Participated in designing the data models together with the BI engineering team.
Senior Data Analyst
ManoMano
- Identified and quantified the importance of browsing for DIY projects—like "renovate my bathroom" vs. "look for each product independently"—after which we created a new feature team.
- Led a three-person team to build and maintain the main reporting of the company.
- Trained 300+ employees in SQL and Tableau while managing two teachers.
Business Analyst
Amazon.com
- Made a 3-month deep dive analysis on how Amazon should handle last-mile electric package deliveries and presented it to FR top management.
- Automated 20% of the work of business administrators.
- Created reports that followed Amazon's last-mile operations.
Product Analyst
eBay
- Partnered closely with product managers and feature teams to deliver insights. Analyzed A/B test results and ran ad hoc analysis.
- Built an automated A/B testing tool by taking raw Google Analytics data from BigQuery, computing statistical properties of each A/B test, and displaying the results in Tableau.
- Set up a unified Google Analytics tagging plan across all eBay Classifieds Group (20 subsidiaries).
Experience
CoursetomiZed
Education
Master's Degree in Management
EDHEC Business School - France
Postgraduate Program in Business Administration
Indian Institute of Management – Ahmedabad - Ahmedabad, India
Skills
Libraries/APIs
React, Node.js, Matplotlib
Tools
Apache Airflow, Google Analytics, Tableau, Microsoft Power BI, Microsoft Excel, BigQuery, Seaborn, Power Query, Figma, Looker
Languages
SQL, Snowflake, HTML, Python, TypeScript, JavaScript, Visual Basic for Applications (VBA), CSS, XML
Paradigms
ETL, Business Intelligence (BI), Database Design, Management, Object-relational Mapping (ORM), DevOps
Storage
Database Architecture, Databases, PostgreSQL, Data Pipelines, MySQL, Redshift, ClickHouse, Datadog, Web Forms
Frameworks
Flask, Tailwind CSS, Material UI, NestJS, Next.js
Platforms
Firebase, AWS Lambda, Jupyter Notebook, Google Cloud Platform (GCP), Airbyte, Amazon Web Services (AWS)
Other
Dashboards, Data Analysis, Data Visualization, Data Engineering, Architecture, Data Analytics, Reporting, Data Transformation, Data Warehousing, Full-stack Development, Minimum Viable Product (MVP), Exploratory Data Analysis, Front-end Development, Data Modeling, Data, Data Warehouse Design, Business, Web Scraping, Analytics, Google BigQuery, Programming, Entrepreneurship, Data Architecture, Big Data Architecture, Roadmaps, Data Build Tool (dbt), Front-end, APIs, Back-end, Mobile Analytics, Full-stack, Web Development, Data Aggregation, Amplitude, Segment, Performance Tuning, Strategy, Statistics, Innovation, Machine Learning, Business Planning, Computer Vision, Finance, Web 3.0, CRM APIs, Product Analytics, Business Analysis, Data Science, Team Leadership
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