Gonzalo Barrera Borla

Engineer Manager, Data Science at Jampp
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Contact Information
us****@****om
(386) 825-5501
Location
Buenos Aires, AR

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Experience

    • United States
    • Advertising Services
    • 1 - 100 Employee
    • Engineer Manager, Data Science
      • Jan 2021 - Dec 2022

      Argentina I defined development priorities for my team alongside Tech and Product managers. I coor- dinated the migration from in-house GLMs estimators to LightGBM. We professionalized the team, by implementing agile methodologies, documenting internal libraries and setting reproducibility standards for our analysis. I wrote the first career ladder, updated the technical exams and grew the team from 7 to 12 people.

    • Senior Data Scientist
      • Feb 2019 - Jan 2021

      Argentina I assisted in the development of the income optimization engine for our Real Time Bidding (RTB) service. We presented the results in the 2019 KDD. Our team was responsible for the system predicting ads’ conversion rates (win rate, CTR, CVR). We trained cheaply on several billions observations with an in-house, online SGD algo, and processed 1M+ auctions per seconds, using strongly regularised GLMs.

    • Argentina
    • Higher Education
    • 200 - 300 Employee
    • Assistant Teacher
      • Mar 2021 - Aug 2021

      Argentina I taught “Machine Learning in Graphs”, with Prof. Martín Elías Costa, Ph.D. Video lectures available at Youtube, exercise guides and didactic materials at GitHub.

    • Argentina
    • Government Administration
    • 300 - 400 Employee
    • Expert Data Analysis Advisor
      • Sep 2016 - Dec 2018

      Buenos Aires, Argentina Our team implemented an end-to-end business intelligence system to integrate data from key systems of the National Public Administration (e.g. Budget, Payroll, Public Policies). I worked in defining the data model definition and developing ETLs, apart from advising the Justice and Economy ministries on how to define their OKRs within the system.

    • Mathematical Olympiad Coach
      • Mar 2012 - Feb 2018

      Buenos Aires, Argentina Middle & High School levels.

    • Business Analyst
      • May 2013 - Apr 2016

      Buenos Aires & Charlotte, NC I automated all operative reports for Marketing and Logistics. I designed and executed a multiple hypothesis test in order to choose a subscription plan to minimise subscribers’ churn. I reduced credit card chargebacks significantly with a logistic model trained on our members’ past purchase history.

    • Private Tutor
      • Dec 2005 - Nov 2015

      Buenos Aires, Argentina Mathematics, Physics and Chemistry for High School and Undergraduate levels.

    • Argentina
    • Higher Education
    • 700 & Above Employee
    • Teaching Assistant
      • Mar 2012 - Feb 2015

      Buenos Aires, Argentina I taught “Statistics II”, with Prof. Silvia Vietri, Ph.D..

Education

  • Universidad de Buenos Aires
    MSc in Mathematical Statistics, Statistics
    2017 - 2021
  • Universidad de Buenos Aires
    B. Sc. in Economics, Economics
    2009 - 2014

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