Tales Tenorio PimentelData Scientist
I am passionate about data and extracting useful information from it. I have just over 5 years of experience in designing experiments, building predictive models, analyzing and communicating results, always in the context of structured data. These activities were developed in academic research, R&D and market activities.
Certifications
Data Science - Python
Python, Data Engineering, Data Science
03/26/2021
Tech stack
Python (4)
Data Science
Data Engineering
Pandas (9)
Scikit-learn (8)
Jupyter Notebook (7)
Data Processing (4)
PySpark (4)
Data Mining (4)
Machine Learning (4)
MySQL (2)
Jupyter (1)
BigQuery (1)
Data Visualization
Linear Regression
Linux
Analytics
Data Analytics
Experience
Data ScientistAvenue Code
07/2021 - Currently

Data Science consultant position for a huge educational Brazilian holding. Have developed innovative Machine Learning products that enabled company's Digital Education managers to focus on their strategic business decisions, rather than performing manual and repetitive service quality evaluations. Helped the Acquisition Department to state the metric business goals for brand new business acquisitions. Helped developing a Data-Driven culture by giving talks on this subject across the company. Helped Data Analytics interns on their starting career.

Jupyter Notebook
Machine Learning
Data Processing
Data Mining
Scikit-learn
PySpark
Pandas
Data Science LeaderFABWORK
12/2020 - 05/2021

As a Data Science Leader I have built from scratch the Data Science team for Fabwork, enabling them to reach out Data Analytics opportunities for their first time. The company's first two Data Science consultancy projects were made under my leadership for a multinational retail client. We have delivered a Geolocation Intelligence and Anomaly Detection solutions.

BigQuery
Scikit-learn
Jupyter Notebook
Pandas
Data ScientistA&C - Contact Center
01/2020 - 12/2020

AeC offers customer service to large companies through outsourcing. Mainly banks and telecommunications companies. The projects were built within the Continuous Improvement team. As a Data Scientist I have started out the first Data Science team in the company. Developed a Machine Learning model to improve First Call Resolution metric by anticipating which customers have been unsatisfied with the customer service provided in the first voice call. This was reached by targeting which customers needed a complementary pro-active text chat service, which have less cost for the company. Reduced Average Service Time performed by the telemarketers, without hurting the First Call Resolution Rate by addressing the incoming callings to the operator that has best potential performance on the issue.

Jupyter
Scikit-learn
Pandas
Data Scientist LaCInA (Applied Intelligent Computing Lab)
03/2018 - 03/2020

This research effort looked for ways to improve the prediction of the next place that mobile users are likely to visit. These locations are a subset of Points of Interest (POI) from the visitor's perspective. I have improved prediction metrics by grouping home-to-work travel patterns.

Scikit-learn
Pandas
Jupyter Notebook
Python
MySQL
Data ScientistLSD (Distributed Systems Lab)
03/2017 - 03/2018

Distributed Systems Laboratory provides R&D projects outsourcing to several companies. I have worked within two projects there. Project: Lenovo Autonomics Helped discover opportunities for power saving in Data Centers by intelligent Virtual Machine allocation.

Pandas
Python
Education
Computer ScienceUniversidade Federal de Campina Grande
08/2011 - 03/2016