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José Luis Oyervides Espino

Msc Data Science, Big Data & Business Analytics

Universidad Complutense de Madrid | Dallas, Texas

Technologies

My Portfolio Highlights

My New Course

Introduction to R

My New Course

Introduction to R

Analytical luminary, illuminating the path to data-driven enlightenment.

My Work

Take a look at my latest work.

DataLab

Project: Investigating Netflix Movies

DataLab

Project: Exploring NYC Public School Test Result Scores

course

Introduction to SQL

PythonSQLTableau
DataLab

Project: Analyzing Students' Mental Health

DataLab

Project: Investigating Netflix Movies

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Understanding Artificial Intelligence
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

Santander | Jun 2024 - Nov 2024

Credit Risk Model Validation Analyst

- Reported on and reviewed behavioral and admission credit risk models for Stellantis France on Python and SAS programming languages. And reported the technical documentation with visualizations on Tableau. - Conducted analyses of predictive power, stability, concentration, and representativeness on Excel to validate credit risk models. Ensuring regulatory compliance, population representativeness, and optimal model performance over time. - Adjusted the binning strategy of the credit placement scorecard to better align with the empirical score distribution, resulting in more balanced population segments and improving model performance and stability by 10–20% in population segment deviation metrics. - Skills: Python, SAS, Excel, Predictive Modeling, Machine Learning, Applied Statistics, Technical Documentation, Data Visualization
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Hey Banco | Apr 2022 - Jun 2023

Assistant Manager CRM Service Cloud

- Led and coordinated the Customer Service team, applying data governance in Salesforce to ensure accurate data acquisition and improve process efficiency, reducing information filling time by 28% and inconsistencies across databases by 63%. - Executed data mining and validation processes using SQL, Regex, Python, and R to generate over 15 reliable and relevant KPIs. - Designed dashboards in Looker Studio and Salesforce to monitor KPIs and support decision-making. - Skills: SQL, KPIs, Business Strategy, Leadership, Communication, Salesforce, Looker Studio, Dashboards, Data Mining, Python.

Innovasport | Nov 2021 - Apr 2022

CX/UX Research Coordinator

- Coordinated research and experimentation projects to improve CX/UX processes and strategies, collaborating with e-commerce teams. - Evaluated customer experience through quantitative research with A/B Testing, Data Mining, planning and monitoring of online store triggers and qualitative research with in-depth interviews, Sentiment Analysis, and Text Analytics. - Skills: R, A/B Testing, Dashboards, Google Analytics, SQL, Confluence.

Innovasport | Mar 2021 - Nov 2021

CX/UX Research

N/A

Innovasport | Jul 2020 - Mar 2021

CX Analyst

N/A

Tecnológico de Monterrey | Aug 2018 - Dec 2018

Data Analysis Intern

N/A

My Education

Take a look at my formal education

Master's of Science in Data Science, Big Data & Business AnalyticsUniversidad Complutense de Madrid | 2025
Bachelor's degree in Marketing, Business IntelligenceTecnológico de Monterrey | 2019
International Summer Exchange in International MarketingUniversité Laval | 2019
International Summer Exchange in Business DevelopmentUniversity of Waterloo | 2018
English Diploma, English Language and Literature, GeneralInternational Baccalaureate | 2015

About Me

I’m a Data Scientist with a Master’s degree in Data Science, Big Data & Business Analytics from the Complutense University of Madrid (UCM), and a Bachelor's in Marketing from the Instituto Tecnologico y de Estudios Superiores de Monterrey (ITESM)

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