Sebastian Alfonso
Full Stack AI Developer at Sapience AI
Leipzig, Saxony, Germany
Summary
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Rockstar🎓
Top SchoolSebastian Alfonso is a Full Stack AI Developer based in Leipzig with 8 years of experience building machine learning systems that bridge research and production. He has a strong academic foundation from Bauhaus-Universität Weimar and Pontificia Universidad Javeriana and has worked across startups, research labs, and NGOs on projects spanning agentic AI, time-series classification from eye-tracking, privacy-preserving NLP for healthcare, and computer vision for social impact. At unstructured.io and now Sapience AI he focused on production-ready ML and agentic systems, while his earlier roles show deep hands-on experience with transformers, generative models, and deployment on AWS. He also mentors and leads community-driven AI projects, having founded Renewable Africa initiatives and led Omdena teams for real-world impact. Notably, his work includes an open Multivariate Time Series Classification repository and practical solutions for scarce-data medical records, highlighting both reproducible research and product-oriented engineering.
8 years of coding experience
7 years of employment as a software developer
High School Diploma High School/Secondary Diploma Programs, High School Diploma High School/Secondary Diploma Programs at Saint Viator High SchoolElectronic Engineering Electrical and Electronics Engineering, Electronic Engineering Electrical and Electronics Engineering at Pontificia Universidad JaverianaMaster of Science - MS Computer Science for Digital Media, Master of Science - MS Computer Science for Digital Media at Bauhaus-Universität Weimar
Spanish, English, German
Github Skills (31)
labeling10
data-pipelines10
preprocessing10
data-science10
langchain10
ocr10
pdf-to-text10
donut10
machine-learning10
pdf10
information-retrieval10
docx10
ml10
llm10
mlops10
Programming languages (5)
Github contributions (5)
LaverdeS/End_to_End_Code_Generation
Mar 2019 - May 2019
Contributions:35 commits, 33 pushes, 1 branch in 1 month
LaverdeS/Multivariate-Time-Series-Classification
Aug 2022 - Feb 2023
Contributions:1 release, 252 commits, 227 pushes in 6 months
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