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Esteban Martinez Roldan

Esteban Martinez Roldan

Data Scientist Sr

Mercado Libre | Medellin

Technologies

My Portfolio Highlights

My New Track

R Programmer

My New Course

Introduction to Python

My New Track

R Programmer

Analytical maestro, orchestrating the symphony of insights with precision.

My Work

Take a look at my latest work.

course

Introduction to SQL

course

Introduction to R

course

Introduction to Python

course

Introduction to SQL

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

MICROSOFT AZURE AZURE FUNDAMENTALS

MICROSOFT AZURE Azure Data fundamentals

MICROSOFT AZURE Microsoft IA Fundamentals

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to SQL
Introduction to R
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

Mercado LIbre | Apr 2023 - Present

Data Scientist-ML Engineer

Data analyst, research in Machine learning methods, applied deep learning and graphs methodologies.
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Cementos ARGOS S.A | Dec 2022 - Apr 2023

Data Scientist

• Designed a Python program, created a forecasting model and visualizations and presented results operations team to inform firm revenue forecast. • Statistical Techniques (AB test, building a simple model and tools) and Machine Learning models applied cement industry • Structured problem solving.

MVM Ingenieria de software | May 2021 - Present

Data Scientist and Head analitics team

• Designed a Python program, working closely with manager, for weekly tracking for metrics; created a forecasting model and visualizations and presented results operations team to inform firm revenue forecast. • Statistical Techniques (AB test, building a simple model and tools) and Machine Learning models applied energy sector • Structured problem solving.

Predictiva SAS | Jun 2018 - Present

Data Scientist and Head analitics team

• Designed a Python program, working closely with manager, for weekly tracking for metrics; created a forecasting model and visualizations and presented results operations team to inform firm revenue forecast. • Statistical Techniques (AB test, building a simple model and tools). • Structured problem solving. • Built Arima, ML and LSTM model to predict deliveries, reducing annual cost by 40%.

My Education

Take a look at my formal education

Master in Statistical Science in Statistical Nacional University | 2016
Economy in EconomyAntioquia University | 2011

About Me

Esteban Martinez Roldan

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