Rafael Pacheco

Rafael Pacheco Email and Phone Number

Data Scientist | Search and Recommendation | Master's student in Machine Learning @ Nubank
sao paulo, sao paulo, brazil
Rafael Pacheco's Location
Recife, Pernambuco, Brazil, Brazil
Rafael Pacheco's Contact Details

Rafael Pacheco work email

Rafael Pacheco personal email

n/a
About Rafael Pacheco

Master's student in Computer Science at the Informatics Center (CIn) of the Federal University of Pernambuco (UFPE) focusing on Machine Learning and Artificial Intelligence. Currently working as Machine Learning Engineer at Nubank.Recently, I've been working with Deep Learning representation model. I've also been involved in Information Retrieval and products' relevance modeling using implicit feedback from users in e-commerce systems. I'm very interested in search quality modeling using offline and online metrics as well as applying Dense and Neural Information Retrieval using Large Language Models (LLMs) and Graph Neural Networks (GNNs).

Rafael Pacheco's Current Company Details
Nubank

Nubank

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Data Scientist | Search and Recommendation | Master's student in Machine Learning
sao paulo, sao paulo, brazil
Website:
nubank.com
Employees:
2936
Rafael Pacheco Work Experience Details
  • Nubank
    Senior Data Scientist
    Nubank Jul 2023 - Present
  • Cesar
    Data Scientist
    Cesar Jan 2021 - Jul 2023
    Recife, Pernambuco, Brasil
    Leading a team researching and implementing solutions of Information Retrieval for e-commerce search:- Data processing pipelines in Airflow, Kubeflow and PySpark;- Machine learning models for e-commerce search (Learning to Rank)- E-commerce data analysis;- Online model evaluation with user interaction data;- Machine Learning Models A/B Testing- Product relevance modeling from implicit feedback (user interactions);- Evaluating search quality using metrics such as… Show more Leading a team researching and implementing solutions of Information Retrieval for e-commerce search:- Data processing pipelines in Airflow, Kubeflow and PySpark;- Machine learning models for e-commerce search (Learning to Rank)- E-commerce data analysis;- Online model evaluation with user interaction data;- Machine Learning Models A/B Testing- Product relevance modeling from implicit feedback (user interactions);- Evaluating search quality using metrics such as Recall, NDCG, MRR;- Dense retrieval based on Large Language Models (LLM); Show less
  • Votorantim
    Data Analyst
    Votorantim Oct 2019 - Jan 2021
    São Paulo, São Paulo
    - Building ETL pipelines using Databricks and other Azure services focusing on benefits and health care data;- Building BIs for health care data visualization;- Health app development;
  • Cesar
    Software Engineer
    Cesar Jan 2018 - Sep 2019
    Recife E Região, Brasil
  • Cesar - Instituto De Inovação
    Engineering Intern
    Cesar - Instituto De Inovação Jul 2017 - Dec 2017
    Recife Area, Brazil
    I worked in multidisciplinary projects of Embedded Systems focusing on mechanical design and control.
  • Ambev
    Intern Maintenance Engineer
    Ambev Aug 2016 - Apr 2017
    Recife Area, Brazil
    During this internship I worked with maintenance data extraction and consolidation and performed a follow-up of maintenance on a daily basis alongside with maintenance planning and scheduling.
  • Stevens Institute Of Technology
    Maritime Security Summer Research Intern
    Stevens Institute Of Technology Jun 2015 - Jul 2015
    Hoboken, Nj
    • Part of a multidisciplinary research team working on improvements of the Maritime Security Center's software for emergency response (Magello);• Worked with NOAA's GNOME software and environmental data sets to predict the trajectory of oil spills in the NYC harbor;• Processed the results of the simulation using MATLAB and implemented its static and dynamic visualization in Google Earth to be integrated as new layers in Magello;• Presented the final results and delivered a final… Show more • Part of a multidisciplinary research team working on improvements of the Maritime Security Center's software for emergency response (Magello);• Worked with NOAA's GNOME software and environmental data sets to predict the trajectory of oil spills in the NYC harbor;• Processed the results of the simulation using MATLAB and implemented its static and dynamic visualization in Google Earth to be integrated as new layers in Magello;• Presented the final results and delivered a final report for the Maritime Security Center and for the Department of Homeland Security. Show less

Rafael Pacheco Education Details

Frequently Asked Questions about Rafael Pacheco

What company does Rafael Pacheco work for?

Rafael Pacheco works for Nubank

What is Rafael Pacheco's role at the current company?

Rafael Pacheco's current role is Data Scientist | Search and Recommendation | Master's student in Machine Learning.

What is Rafael Pacheco's email address?

Rafael Pacheco's email address is ra****@****tim.com

What schools did Rafael Pacheco attend?

Rafael Pacheco attended Universidade Federal De Pernambuco, Universidade Federal De Pernambuco, Brown University.

Who are Rafael Pacheco's colleagues?

Rafael Pacheco's colleagues are Jonathan Cardozo, Rosivan Rodrigues, Jessica Menna, Miren Vila, Carolina Gassi, Márcio Araújo, Wendel Aleixo.

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