Rafael Xavier
Data Science Technical Leader
Montevideo, Montevideo, Uruguay
Summary
👤
Senior🎓
Top SchoolRafael Xavier is a Data Science Technical Leader with 11 years of experience who combines an MA in Economics with deep hands-on expertise in ML, NLP and computer vision to deliver high-impact production systems. At Mercado Libre he leads teams that run over 300 million predictions and enable 60+ million monthly moderations, rebuilt an expensive vendor workflow in-house saving six figures annually, and introduced few-shot/zero-shot and multimodal solutions to improve listing quality across Latin America. Previously he scaled and led data science teams in consulting, built forecasting engines for financial institutions, and directed large volunteer analytics efforts for public policy and campaigns. Comfortable across the Python ML stack and with production Go deployments, he also contributes to open source and bridges research, product and operations to deploy robust generative and moderation models at scale.
11 years of coding experience
11 years of employment as a software developer
Master of Arts - MA, Economics, Master of Arts - MA, Economics at Universidad de Montevideo
English, Spanish, Portuguese
Github Skills (54)
debugging10
sentence-embeddings10
python10
economy10
benchmarking10
python-modules10
topic-models10
scikit-learn10
tf-idf10
economic-data9
machine-learning9
semantic-segmentation9
bert9
pose-estimation9
documentation-generator9
Programming languages (5)
Github contributions (5)
rxavier/bot-comentarista
May 2019 - Jun 2019
Contributions:52 commits, 30 pushes, 17 branches in 27 days
rxavier/econuy-web
May 2020 - Jun 2022
A website that aggregates Uruguayan economic statistics.
Contributions:321 commits, 1 PR, 118 pushes in 2 years
statistics
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