Fabian Peña
Research Assistant at Universität Passau
Passau, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolFabian Peña is an AI researcher and engineer with eight years of experience applying machine learning and NLP to real-world products, currently pursuing a PhD in Artificial Intelligence at Universität Passau while working on LLMs for software engineering. He has led ML initiatives at Mercado Libre—building an AI buyer assistant, embedding/RAG pipelines, and production models for marketing optimization—and served as CTO of a social e-commerce startup that integrated 50+ marketplaces. As a professor at Universidad de Los Andes he teaches applied data science and business intelligence, blending academic rigor with hands-on system building. His background spans end-to-end ML delivery: ETLs, microservices, real-time analytics, and A/B-driven experimentation, with a recurring focus on shipping production-grade NLP and recommendation systems. Notably, he moves seamlessly between research and product contexts, turning novel LLM techniques into measurable business impact.
8 years of coding experience
9 years of employment as a software developer
Universidad de los AndesBachelor's degree Systems Engineering, Bachelor's degree Systems Engineering at Universidad Distrital Francisco José de CaldasDoctor of Philosophy - PhD Artificial Intelligence, Doctor of Philosophy - PhD Artificial Intelligence at Universität Passau
Spanish, English
Github Skills (68)
nlp9
google-cloud-platform9
pytorch9
tsne9
kmeans9
transformer8
sqf8
dimensionality-reduction8
python8
clustering8
deep-learning8
speech-recognition8
bert8
machine-learning8
natural-language-processing8
Programming languages (8)
Github contributions (5)
fabiancpl/mlexplore.js
Feb 2019 - Aug 2020
MLExplore.js: Exploring High-Dimensional Data by Interacting and Interpreting t-SNE and K-Means
Contributions:13 commits, 50 pushes, 1 branch in 1 year 7 months
high-dimensional-datak-meansdimensionality-reductionvisual-analyticsjavascript
fabiancpl/analyzing-product-sentiment
Dec 2018 - Apr 2023
Contributions:4 pushes, 1 branch in 4 years 4 months
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