John聽Contreras
Data Scientist Consultant
Lima Metropolitan Area, Lima, Peru
Summary
馃懁
Senior馃帗
Top SchoolJohn Contreras is a data-focused consultant and architect with a decade of experience designing and delivering Big Data and analytics platforms across LATAM, including roles at The World Bank, Globant, and Rappi. He blends hands-on engineering (Spark, Databricks, Snowflake, AWS/Azure, Python/PySpark) with research-driven methods from his university work in tensors, unsupervised learning and NLP. Comfortable moving projects from proofs-of-concept to production, he has built data lakes, pipelines and cross-country analytic platforms for fintech and telecom clients. Based in Lima, he brings a community and ecological spirit to technology, pairing pragmatic cloud architecture skills with a history of academic research and tool-building in R and Julia.
11 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Ingenier铆a de sistemas, Bachelor's degree, Ingenier铆a de sistemas at Universidad Nacional Mayor de San MarcosIngenier铆a en Informaci贸n y Control de Gesti贸n, Ingenier铆a en Informaci贸n y Control de Gesti贸n at Universidad de ChileMaster of Science - MS, Computer and Information Sciences, General, Master of Science - MS, Computer and Information Sciences, General at Pontificia Universidad Cat贸lica del Per煤
Stackoverflow
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0reached
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Github Skills (10)
blockchain8
ethereum8
go7
p2p6
geth4
python3
apache-airflow2
simulation2
airflow1
data-engineering1
Programming languages (5)
Github contributions (5)
illarek/drbasisj.jl
Jul 2017 - Feb 2018
Contributions:18 commits, 16 pushes, 1 branch in 6 months
johnkbarrera/TemporalTXs
Aug 2018 - Apr 2025
Contributions:49 pushes, 1 branch, 16 comments in 6 years 9 months
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