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NO Neider OlayaData Science
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Selected work

Models that end in a credit decision.

Professional case studies in credit risk, portfolio segmentation, and pricing analytics. Public details are limited to high-level design; confidential data and internal variables are omitted.

01 / Credit risk

Production Credit Risk Models

Credit scoring models for origination, first loans, and renewals, monitored in production with discrimination and stability metrics.

3credit stages covered: origination, first loans, renewals
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02 / Portfolio strategy

Risk Segmentation and Lending Mix

Risk segmentation used to reshape the disbursement mix of a credit portfolio in Peru, with differentiated models by segment.

~US$5Mcredit portfolio capital managed, with positive profitability
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03 / Financial analytics

Pricing and Profitability Analytics

Pricing sensitivity and credit product performance analysis to support commercial decisions in banking.

Python · SQLautomated analytical pipelines
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04 / Personal project · Credit risk + AI agents

Credit Risk Agent Lab

An end-to-end credit decision system built on public Lending Club data: risk, prepayment and loss models, a limit and pricing engine tested with causal inference, and an AI agent that decides, audits itself, and writes the credit memo, while an analyst signs off every rejection and counteroffer.

0.6823out-of-time AUC, against 0.6784 for Lending Club's own score
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Neider Andrés Olaya F.

Credit risk, machine learning, and financial analytics.

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