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Guillaume LeclercGL

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

WDI – Web3 Data Intelligence helps you transform blockchain data into a strategic advantage.

I focus on:

On-chain Analytics: cohorts, flows, whales, product KPIs

Dune Dashboards: clear reporting for growth and governance

Web3 Anti-fraud: Sybil, bots, wash trading, heuristics & scoring

Tokenomics: emissions, inflation, vesting, scenarios & stress tests

Web3 Data Pipelines: API/Subgraphs ingestion, dbt, BigQuery


Fast, accurate, readable, and decision-oriented deliverables.
Goal: enable you to act quickly, with confidence, using reliable data.
  • French

    Native or bilingual

  • English

    Fluent

  • Portuguese

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • WDI — Web3 Data Intelligence
    Founder / Web3 Data & Blockchain Analytics
    January 2025 - Today (1 year and 5 months)
    Studio specializing in Blockchain Analytics & Web3 Data Engineering.

    WDI supports Web3 players in advanced blockchain data analysis and strategic decision-making.

    On-chain Analytics: flows, cohorts, whales, product KPIs

    Dune Dashboards: comprehensive reporting for growth, product, or governance

    Anti-fraud: Sybil/bot scoring, heuristics, behavioral clustering

    Tokenomics: emission models, inflation, vesting, A/B scenarios, stress tests

    Web3 Data Pipelines: ingestion (APIs, Subgraphs), transformation (dbt), warehouse (BigQuery)

    Our deliverables combine data rigor, Web3 expertise, and speed of execution, with clear documentation and actionable insights.


    Clients: DeFi, NFT, gaming, exchanges, Web3 SaaS.
    Blockchain analytics Dune analytics DBT Tokenomics Web3 data engineering
  • Freelance
    Data & Web3 Analytics Consultant
    April 2022 - January 2025 (2 years and 9 months)
    Independent consultant in data and Web3 analytics for tech startups and early-stage blockchain projects.
    Cross-functional interventions:

    SQL analyses & dashboards (Metabase/Looker)

    Data pipelines (APIs, BigQuery, dbt)

    First on-chain projects: Dune queries, Etherscan/Alchemy extraction, Web3 “truth tables” structuring

    User behavioral studies Web2/Web3

    Product & growth KPIs

    Mini analytics audits for Web3 prototypes

    Work on short missions (1–3 weeks), impact-oriented and documented.
    SQL Python pandas polars Metabase Superset ETL

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Skill set

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