John K. Barrera Contreras

Data Engineer

About JK

Hi, my name’s John and I’m Systems Engineer. I’m captivated by Tech, Maths, and IA. I have worked as a Research assistant, Data Engineer, and of course like Data Scientist. Me is also interested not only in projects that involve tech, else and especially in social projects that involves a community and ecological spirit.
I am most skilled in: Python and Playing guitar

Publications

Analysis of the Health Network of Metropolitan Lima Against Large-Scale Earthquake

ISBN:978-3-030-76228-5

Peru is a highly seismic country located in the Ring of Fire, making it vulnerable to earthquakes and tsunamis. In the present work, we examined Lima’s health system capacity from three different and complementary points of view. This document aims to provide elements for the strengthening of the Peruvian fragile health system.

Experience

Globant

Data Architect

August 2021 - Present

globant.com

Me and my team were involved in building the Data Architecture to Liga MX. We also built pipelines for many sources and sinks, trough Bronze, Silver and Gold Layer.
Tools/Technologies: Azure, Databricks, Python, ADF, SQL, Azure Functions, Azure Data Lake Storage.

RAPPI

Data Engineer

October 2021 - August 2021

rappi.com

Data engineer at RAPPIBANK, giving general business support in everything related to RAPPIBANK data for LATAM, this implies presenting solutions, proposals, and elaboration of pipelines.
Tools/Technologies: Snowflake, PySpark, NiFi, Airflow, Fivetran, dbt.

CIUP - Universidad del Pacifico

Research Assistant

Seasonal

up.edu.pe

Details: I collaborated in research projects for World Bank, all results where published in Analysis of the Health Network of Metropolitan Lima Against Large-Scale Earthquakes; and PCM (Contact Tracing, and analysis of the probability of contagion of covid19 based on their interactions).

Leading researchers: M. Nunez del prado, Ph.D y H. Alatrista S., Ph.D.
Details: I contributed by analyzing and mining of customer buying behaviors using unsupervised methods (machine learning) and NLP.

Leading researcher: F. Rosales M., Ph.D.
Details: Research projects on Blockchain, creation of a cryptocurrency from a Bitcoin fork. Dapps development on the Ethereum platform, as well as web application development through API. Development of algorithms in R and Julia languages.

Education

Universidad Nacional Mayor de San Marcos

BSc. Systems Engineering

2012 - 2017

unmsm.edu.pe

Universidad de Chile

Faculty of Economics and Business

University Exchange Program 2016
(Scholarship Alianza del Pacifico).

www.uchile.cl

A little more about JK

Awards & Certifications

Hackathons

Seek Reinvention

Me also participate, in some hackathon:

  • 2rd Place - Hackathon Contact Tracing - Hackathon 2020
  • 1rd Place - HACKATHON ARTTEC - Hackathon 2018
  • 1rd Place - IBM CODING DAY: HACKATHON POR UN PERU #SINANEMIA - Hackathon 2018

    Me also was:
  • Recipient of the ALIANZA DEL PACIFICO scholarship - Chile 2016

Free occupations

Hobbies

Alongside my interests in networks and software engineering some of my other interests and hobbies are: