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Esteban CaroEC
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Esteban Caro

@estebancaro

Data Scientist - Data Analyst

Colombia
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What I'm looking for

I seek a collaborative environment that fosters innovation and growth in data science.

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

Nequi logoNE
Current

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.

Nequi logoNE

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.

Nequi logoNE

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 logoPL

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 logoUD

Udemy

Certification, Cloud Computing

2021 - 2024

Pursuing AWS Cloud Practitioner certification, focusing on cloud computing fundamentals and AWS services.

Anthropic logoAN

Anthropic

Claude Code in Action

2026 - 2026

Universidad de Antioquia logoUA

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.

UA

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.

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