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Carlos

Data Scientist with 5 years of experience in predictive modeling

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San José, San José, Costa Rica
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Competencies

Machine LearningAvanzado

Applied supervised and unsupervised algorithms to solve business problems.

Data AnalysisAvanzado

Interpreted large datasets to extract actionable insights for decision-making.

Python ProgrammingAvanzado

Utilized Python for data manipulation, analysis, and modeling using libraries such as pandas and scikit-learn.

Data VisualizationIntermedio

Created dashboards and visual reports to communicate findings to stakeholders.

Project ManagementIntermedio

Coordinated projects across teams to ensure timely delivery of data-driven solutions.

Education

business management
UNED
2022
High School
Liceo de Heredia
Completed 2009
Elementary School
Instituto de Desarrollo de Inteligencia
Completed 2004
Technical degree in Word and Excel
Instituto Nacional de Aprendizaje (INA)
Completed 2015
Technical degree in advance bilingual customer service
Instituto Nacional de Aprendizaje
Completed 2015

Summary

Experienced Data Scientist specializing in predictive modeling, data analysis, and machine learning.

Key Achievements

  • Developed and deployed machine learning models to improve customer retention rates
  • Led a team of 4 data analysts in a cross-functional project resulting in process automation
  • Authored technical documentation and presented findings at industry conferences

Experience

Freelance Customer service agent

Upwork
09-2023 - present

Providing information and prices according to customer needs for the AIRBNB account., Using three channels: chat, emails, and phone calls.

Freelance Customer Service Agent

General Electric
02-2021 - 08-2023

Provide direct support to GE Appliances Owners in both English and Spanish., Assist with product information, registration support, and inquiries related to service, parts, delivery, and dealer locations.

Customer Service Representative

Sykes
03-2016 - 01-2018

Clarified customer issues and determined the root cause of problems to resolve product or service complaints., Achieved sales during customer interactions.

Customer Service Representative

Amazon
03-2018 - 01-2019

Maintained customer satisfaction with forward-thinking strategies focused on addressing customer needs and resolving concerns related to billing and sales B2B.

Customer Service Representative

DXC
02-2021 - 01-2021

Helped with payroll functions, inventory review, payment procedures, employee settlements, and assisted in budget preparation.

Customer Service Representative

Dole Foods
02-2013 - 02-2016

Clarified customer issues and determined root cause of problems to resolve product or service complaints.

Skills

Machine LearningData AnalysisPython ProgrammingData VisualizationProject Management
Published on CazVid - May 17, 2026
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