António Mendes
Senior Data Scientist
Lisbon, Portugal
Summary
🤩
Rockstar🎓
Top SchoolAntónio Mendes is a Senior Data Scientist with eight years of experience building scalable data products and ML-driven tooling, currently at Phantom in Lisbon. He has deep expertise in crypto data platforms from his work at Dune—developing Text-to-SQL and SQL debugger models, designing vector DB solutions to cut latency, and migrating large query engines to DuneSQL. Earlier roles at Adjust led fraud-detection teams and productionized anti-fraud models, blending research, hiring and cross-functional strategy. He’s an active open-source contributor to Dune’s Spellbook, improving SQL views and label accuracy across Ethereum and Polygon datasets. Comfortable across data engineering, modeling and product strategy, António pairs a strong applied-math background with practical experience shipping reliable analytics at scale.
8 years of coding experience
8 years of employment as a software developer
Bachelor's degree Economics, Bachelor's degree Economics at University of Ljubljana, School of Economics and BusinessBachelor’s Degree Information Management, Bachelor’s Degree Information Management at Universidade Nova de LisboaMaster’s Degree Applied Mathematics, Master’s Degree Applied Mathematics at Instituto Superior Técnico
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
data-modeling10
postgresql10
sql10
data-engineering9
ethereum9
database-design9
polygon8
polygons8
Programming languages (7)
Github contributions (5)
duneanalytics/spellbook
Sep 2021 - Aug 2022
SQL views for Dune
Role in this project:
Backend Developer
Backend DeveloperContributions:123 reviews, 24 commits, 102 PRs in 11 months
Contributions summary:António primarily contributes to the `duneanalytics/spellbook` repository, which involves creating SQL views for Dune. Their work focuses on fixing issues related to labels and data accuracy, particularly within the Ethereum and Polygon ecosystems. They implemented database functions, improved the size constraints of labels, and maintained data integrity related to token prices.
sqldatabasemysqldune
antonio-mendes/kaggle
Oct 2017 - Sep 2018
Contributions:8 PRs, 4 pushes, 8 branches in 10 months
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