Florent Martineau, Data Scientist and Software Developer in Paris, France
Florent Martineau

Data Scientist and Software Developer in Paris, France

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.
Florent is now available for hire

Portfolio

  • PepsiCo via Toptal
    Data Engineering, Apache Airflow, Snowflake, Python, Data Build Tool (dbt)...
  • CTO
    TypeScript, NestJS, Next.js, Google Cloud Platform (GCP), React, ClickHouse...
  • Ankorstore
    SQL, Python, Google BigQuery, Dashboards, ETL, Big Data Architecture...

Experience

  • ETL 7 years
  • Programming 5 years
  • Dashboards 5 years
  • Analytics 5 years
  • Web Scraping 5 years
  • Python 5 years
  • SQL 5 years
  • Entrepreneurship 3 years

Location

Paris, France

Availability

Full-time

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.

Employment

  • Data Engineer

    2022 - 2022
    PepsiCo via Toptal
    • 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.
    Technologies: Data Engineering, Apache Airflow, Snowflake, Python, Data Build Tool (dbt), SQL, Amazon Web Services (AWS), Datadog
  • CTO

    2022 - 2022
    CTO
    • Evolved from a blank page to an MVP with four customers and €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.
    Technologies: TypeScript, NestJS, Next.js, Google Cloud Platform (GCP), React, ClickHouse, Airbyte, PostgreSQL, ETL, Roadmaps, Data Architecture, Architecture
  • Senior Data Analyst

    2021 - 2022
    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.
    Technologies: SQL, Python, Google BigQuery, Dashboards, ETL, Big Data Architecture, Data Architecture, Roadmaps, Architecture
  • Senior Data Analyst

    2017 - 2021
    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.
    Technologies: SQL, Python, Machine Learning, Amazon Web Services (AWS), Apache Airflow, Redshift, Snowflake, Web Scraping, Analytics, Google Analytics
  • Business Analyst

    2017 - 2017
    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 to follow Amazon's last-mile operations.
    Technologies: Redshift, Business Analysis
  • Product Analyst

    2016 - 2017
    eBay
    • Partnered closely with product managers and feature teams to deliver insights. Analyzed AB test results and ran ad hoc analysis.
    • Built an automated AB testing tool by taking raw Google Analytics data from BigQuery, computing statistical properties of each AB test, and displaying the results in Tableau.
    • Set up a unified Google Analytics tagging plan across all eBay Classifieds Group (20 subsidiaries).
    Technologies: Data Visualization, Data Analysis, BigQuery, Google BigQuery, Tableau, Product Analytics, Google Analytics

Experience

  • CoursetomiZed

    I built a business plan for an adaptive learning app. The app adapts to the students' learning, namely the number of examples and the learning pace. This project won two business plan competitions, competing against more than 500 projects participating.

Skills

  • Languages

    SQL, HTML, Python, JavaScript, Snowflake, TypeScript, CSS
  • Libraries/APIs

    React, Node.js
  • Paradigms

    ETL, Business Intelligence (BI), Database Design, Management, Data Science
  • Storage

    Database Architecture, Databases, PostgreSQL, Data Pipelines, Redshift, ClickHouse, Datadog
  • Other

    Dashboards, Data Analysis, Data Visualization, Data Engineering, Data Analytics, Reporting, Data Transformation, Data Warehousing, Business, Web Scraping, Analytics, Google BigQuery, Programming, Entrepreneurship, Data Architecture, Big Data Architecture, Roadmaps, Architecture, Front-end, APIs, Back-end, Mobile Analytics, Full-stack, Strategy, Statistics, Innovation, Machine Learning, Business Planning, Airbyte, Computer Vision, Data Build Tool (dbt), Finance, Web 3.0, CRM APIs, Product Analytics, Business Analysis
  • Frameworks

    Flask, NestJS, Next.js
  • Tools

    Google Analytics, Tableau, Microsoft Excel, BigQuery, Apache Airflow, Microsoft Power BI, Power Query, Figma
  • Platforms

    Firebase, AWS Lambda, Google Cloud Platform (GCP), Amazon Web Services (AWS)

Education

  • Master's Degree in Management
    2013 - 2017
    EDHEC Business School - France
  • Postgraduate Program in Business Administration
    2016 - 2016
    Indian Institute of Management – Ahmedabad - Ahmedabad, India

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