Esteban Caro
@estebancaro
Data Scientist - Data Analyst
What I'm looking for
Results-driven Data Scientist and Analyst with 2+ years of experience in the financial sector, specializing in machine learning model development, credit risk analytics, and data-driven decision-making. Proven track record building predictive models, early warning systems, and LLM evaluation pipelines on AWS. Strong communicator with C1 English proficiency, able to bridge technical findings with business strategy.
Experience
Work history, roles, and key accomplishments
Data Scientist
Nequi
Oct 2025 - Present (8 months)
Developed ML models to predict customer recovery and delinquency, enabling proactive risk mitigation. Built early warning systems to identify risk transitions and behavioral deterioration. Designed backtesting and validation frameworks to ensure model robustness. Built LLM-as-a-judge evaluation pipelines for conversational AI on AWS (SageMaker & Bedrock), defining reliability metrics.
Data Analyst
Nequi
Jan 2025 - Sep 2025 (8 months)
-Designed dashboards in Amazon QuickSight to facilitate monitoring and alerting of collection management.
-Proposed, designed, developed, and executed ETL pipelines for portfolio data to identify behavioral patterns, detect alerts, and suggest adjustments in the collection strategy.
Data Science Intern
Nequi
Jun 2024 - Dec 2024 (6 months)
Updated the imputation methodology for a key variable in the credit risk evaluation of customers.
Conducted descriptive and exploratory analysis of large datasets, identifying trends and key variables to understand users' financial profiles.
Developed a machine learning model to estimate the maximum financial quota assignable to clients based on their risk profile
Education
Degrees, certifications, and relevant coursework
Platzi
Certification, Data Engineering
2023 - 2024
Engaged in a course on Databricks: Delta Lake Architecture, learning about data lake architecture and its applications in big data processing.
Udemy
Certification, Cloud Computing
2021 - 2024
Pursuing AWS Cloud Practitioner certification, focusing on cloud computing fundamentals and AWS services.
Anthropic
Claude Code in Action
2026 - 2026
Universidad de Antioquia
Bachelor of Science, Industrial Engineering
2020 - 2024
Studied Industrial Engineering with a focus on data science applications. Developed skills in data analysis, machine learning, and statistical methodologies to solve engineering problems.
Universidad de Antioquia
Specialization, Artificial Intelligence
2022 - 2023
Completed a specialization in Artificial Intelligence for Engineering, focusing on machine learning and its applications in engineering problems.
Availability
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