Nelson Herrera
Data Engineer
Cali, Valle del Cauca, Colombia
Summary
👤
Senior🎓
Top SchoolNelson Herrera is a Data Engineer with an 11-year software background and an MSc in Computer Science, currently building data solutions at Globant. He combines deep expertise in data warehousing, ETL, and databases with hands-on experience in Big Data technologies (Hadoop, Spark) and search/indexing engines like Elasticsearch. For five years he applied ML, information extraction and retrieval to cancer registry data, developing automated diagnosis classifiers and bulk structured/unstructured ETL pipelines for one of Latin America’s leading registries. Nelson blends academic research (information retrieval systems for scientific documents) with practical BI and reporting work in healthcare, giving him uncommon domain knowledge of cancer data workflows. Fluent in Python and driven by pragmatic, production-ready data processing, he enjoys turning messy clinical text into trustworthy analytical assets.
11 years of coding experience
7 years of employment as a software developer
Data Science, Data Science at Data Science for All by Correlation OneMaster's degree, Computer Science, Master's degree, Computer Science at Universidad del Valle (CO)
Spanish, English
Github Skills (4)
del6
que4
python2
postgresql1
Programming languages (2)
Github contributions (5)
nelson-portilla/PatologiaInsertion
Jul 2016 - Nov 2016
Contributions:2 releases, 6 PRs, 30 pushes in 3 months
unapythonleedatoslos
nelson-portilla/rpcc-dw
Nov 2018 - Oct 2020
Contributions:6 pushes in 1 year 11 months
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