Luis Fernando Vejarano Jiménez

Luis Fernando Vejarano Jiménez  new_releases

About

Detail

Senior Data Scientist
Colombia
Contact Luis regarding: 
work
Full-time jobs
Starting at USD1k/month

Timeline

work
Job
school
Education

Résumé

Jobs verified_user 0% verified
  • Kinesso
    Data Scientist
    Kinesso
    Mar 2021 - Aug 2022 (1 year 6 months)

    -Analysis of the impact on sales of advertising campaigns.
    -Elaboration of HVA models: statistical models to establish high value populations (high value assets).
    -Marketing optimizations.
    -Engines to automate processes.
  • U
    Senior Data Scientist
    UIAF
    Sep 2019 - Dec 2020 (1 year 4 months)

    -Development of machine learning models to detect money laundering and terrorist financing operations.
    -Development and analysis of complex networks.
    -Analysis of suspicious operations in the financial sector.
    -Preparation of reports for the president of Colombia.
  • LOGYCA
    Data Scientist
    LOGYCA
    Mar 2019 - Sep 2019 (7 months)

    -Creation of machine learning models: random forest, neural networks, etc.
    -Development of algorithms for calculating out-of-stock products in the different supermarkets in Colombia: systematic calculation of causes, prediction, probability and estimation of the number of out-of-stock products. The above calculations were done through programming inPython.
    -Generation and execution of new ideas for the different algorithms developed in the area such as carbon footprint and transportation.
  • QNT
    Analytics Specialist
    QNT
    Aug 2018 - Feb 2019 (7 months)

    -Lead new projects through the help of consulting companies.
    -Development of artificial intelligence models with the latest technologies: Google Cloud, Tensorflow, Keras. The purpose of the above has been to predict the probability of payment, generate offers to customers, models of willingness to pay and calculation of credit card limits. Among the models I have made are probability of recovery (Random Forest), willingness to pay (neural networks), offer models and VPN.
    -Application of different data mining techniques for managing different databases.
    -Management of unstructured information to carry out predictive models (audio model with text mining)
    -Generation of new ideas for the growth of the company.
  • Banco de Bogotá
    Analyst
    Banco de Bogotá
    May 2013 - May 2018 (5 years 1 month)

    -Development of machine learning models: k means, text analysis, LDA, etc.
    -Elaboration of statistical models: I developed credit risk scores for the Commercial, Consumption, Collections and Revenue Estimate segments.
    -Statistical models to support risk management and fraud prevention.
    -Monitoring and analysis of BAC bank's portfolio: Banco de Bogotá owns 100% BAC, which is the largest bank in Central America. I oversaw the portfolio homogenization process (BAC provisions are adjusted to Colombian standards).
    -Lead the IFRS 9 implementation project: all the standard issues were covered, however, the most complex issue was the change from incurred loss to expected loss in the credit risk models.
    - Support
  • ISI Emerging Markets
    Dealwatch Analyst
    ISI Emerging Markets
    Nov 2011 - Apr 2012 (6 months)

    -Analysis of the different mergers and acquisitions of companies that take place in Latin America: performed statistical analysis, calculated indicators and prepared reports.
    -Analysis of share issues carried out in the region: I did indicators for these operations.
Education verified_user 0% verified
  • Universidad de los Andes
    Economista, Economía
    Universidad de los Andes
    Jan 2007 - Jan 2010 (3 years 1 month)