António Mendes
Senior Data Scientist · Lisbon, Portugal
Hi, I'm António. I'm a data scientist working on crypto products.
Work
Phantom · Senior Data Scientist
2024 – now
Product analytics for onboarding, multichain expansion, Social and stablecoins, and the dbt models behind company-wide dashboards.
Dune · Senior Data Scientist
2022 – 2024
Shipped DuneAI Text-to-SQL and maintained Spellbook, Dune's open-source dbt project, through the DuneSQL migration.
Adjust · Fraud Data Science Team Lead
2020 – 2021
Led the fraud data science team. Our models prevented hundreds of millions in fraudulent spend.
BNP Paribas Personal Finance · Junior Data Scientist
2016 – 2017
Pricing analysis, dashboards and A/B tests for consumer credit.
Talks
Decoding of EVM Smart Contracts 101
Dec 2022
Ethereum Ukraine · Kyiv
Smart contract decoding
Nov 2022
Dune meetup · Lisbon
Data & Analytics — Uma carreira e um caminho
Jan 2021
Conta Connosco · Webinar
Mobile attribution fraud education
2020–2021
Adjust · Tokyo and São Paulo
Also: judge at Solana x402 Hackathon (2025), host at DuneCon (2023).
Education
Universidade Nova de Lisboa
2010 – 2015
Bachelor's Degree, Information Management · Lisbon, Portugal
University of Ljubljana
2015
Economics · Erasmus exchange · Ljubljana, Slovenia
Instituto Superior Técnico
2015
Master's coursework, Applied Mathematics · Lisbon, Portugal
Skills
SQL, Python, dbt, onchain data, statistical modeling, machine learning, data visualization.
Lisbon Machine Learning School (Google)