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Moisés (Joel) Ortega Catriñir-Customer Churn Prediction (Machine Learning)

Moisés (Joel) Ortega Catriñir - Customer Churn Prediction (Machine Learning) - profile avatar
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Santiago, Chile

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Experience

Jan 2025 - Dec 2025

Customer Churn Prediction (Machine Learning)

Expertise details
Position Summary
Customer Churn Prediction (Machine Learning)
Industries
Telecommunication
Business Areas
Business Intelligence
  • Built a classification model using Random Forest to predict customer churn for a telecom company
  • Achieved 88% accuracy through data preprocessing, feature engineering, and model optimization
Jan 2025 - Dec 2025

Global CO₂ Emissions Analysis

Expertise details
Position Summary
Global CO₂ Emissions Analysis
Industries
Energy
Business Areas
Business Intelligence
Research and Development
  • Analyzed global emission trends and correlations between GDP, population growth, and CO₂ output
  • Produced interactive data visualizations for public communication and decision support
Jan 2025 - Dec 2025

IPC Value Estimation and Economic Trend Analysis (Chile)

Expertise details
Position Summary
IPC Value Estimation and Economic Trend Analysis (Chile)
Industries
Banking and Finance
Business Areas
Business Intelligence
  • Performed time-series forecasting to estimate Chile’s Consumer Price Index (CPI) using regression and moving-average models
  • Predicted inflation trends and visualized historical and projected economic fluctuations
Jan 2025 - Dec 2025

Seismic Risk Analysis in Chile

Expertise details
Position Summary
Seismic Risk Analysis in Chile
Industries
Government and Administration
Business Areas
Business Intelligence
Research and Development
  • Developed a data-driven model to assess earthquake risk patterns across Chilean regions using geospatial and historical seismic data
  • Applied statistical modeling and visualization techniques to identify high-risk zones and temporal frequency patterns
Jan 2025 - Dec 2025

Statistical Demonstration of Bayes’ Theorem Limitations

Expertise details
Position Summary
Statistical Demonstration of Bayes’ Theorem Limitations
Industries
Education
Business Areas
Research and Development
  • Created simulations to illustrate common statistical pitfalls and real-world limitations of Bayes’ Rule in uncertain or imbalanced data scenarios
  • Compared posterior probabilities under different prior assumptions, emphasizing the importance of context in probabilistic reasoning

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication, Energy, Banking and Finance, Government and Administration, and Education.

Telecommunication
Energy
Banking and Finance
Government and Administration
Education
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Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Business Intelligence and Research and Development.

Business Intelligence
Research and Development
Profile match chart

Summary

Motivated and detail-oriented Data Analyst with a solid foundation in data science, statistics, and machine learning. Certified by Google and IBM through Coursera programs, with hands-on experience building real-world projects in Python, SQL, and data visualization. Passionate about transforming complex datasets into actionable insights. Eager to contribute analytical and problem-solving skills to innovative teams.

Skills

Languages

  • Python
  • Sql
  • R (Basic)
  • Html/css (Basic)

Libraries

  • Pandas
  • Numpy
  • Matplotlib
  • Seaborn
  • Scikit-learn
  • Tensorflow (Introductory)

Tools

  • Jupyter Notebook
  • Git
  • Github
  • Tableau
  • Excel
  • Power Bi
  • Google Sheets

Concepts

  • Data Cleaning
  • Feature Engineering
  • Machine Learning
  • Data Visualization
  • Statistics

Soft Skills

  • Analytical Thinking
  • Problem Solving
  • Continuous Learning
  • Collaboration
  • Communication
  • Adaptability
  • Attention To Detail

Languages

Spanish
Native
German
Intermediate
English
Intermediate
Portuguese
Intermediate

Certifications & licenses

Data Analytics Professional Certificate

Google

Data Science Professional Certificate

IBM

Statistics

Experience

Total positions 5
Experience in Telecommunication 1 y
Avg length 11 m
Longest experience 11 m

Expertise

Recent roles Customer Churn Prediction (Machine Learning), Global CO₂ Emissions Analysis, IPC Value Estimation and Economic Trend Analysis (Chile)
Main industries Telecommunication, Energy, Banking and Finance
Main business areas Business Intelligence, Research and Development

Qualifications

Certifications earned 2

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Moisés based?

Moisés is based in Santiago, Chile.

What languages does Moisés speak?

Moisés speaks the following languages: Spanish (Native), German (Intermediate), English (Intermediate), Portuguese (Intermediate).

How many years of experience does Moisés have?

Moisés has at least 1 year of experience. During this time, Moisés has worked in at least 5 different roles. The average length of individual experience is 2 months. Note that Moisés may not have shared all experience and actually has more experience.

What roles would Moisés be best suited for?

Based on recent experience, Moisés would be well-suited for roles such as: Customer Churn Prediction (Machine Learning), Global CO₂ Emissions Analysis, IPC Value Estimation and Economic Trend Analysis (Chile).

What is Moisés's latest experience?

Moisés's most recent position is Customer Churn Prediction (Machine Learning).

Which industries is Moisés most experienced in?

Moisés is most experienced in industries like Telecommunication, Energy, and Banking and Finance. Moisés also has some experience in Government and Administration and Education.

Which business areas is Moisés most experienced in?

Moisés is most experienced in business areas like Business Intelligence and Research and Development.

Does Moisés have any certificates?

Moisés has 2 certificates. These include: Data Analytics Professional Certificate and Data Science Professional Certificate.

What is the availability of Moisés?

Moisés is immediately available full-time for suitable projects.

What is the rate of Moisés?

Moisés's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Moisés?

To hire Moisés, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
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Market avg: 480-640 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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