I build rigorous, leak-free machine learning models and backend systems that turn raw data into production-ready signals.

Customer Churn Prediction (Machine Learning)

Preventing temporal data leakage by structuring isolation splits before model training, evaluated strictly on Precision@K metrics.

Padel Match & ELO Analytics Engine (Backend Architecture)

Designing robust document schemas in MongoDB and concurrent match-state validation rules using Java and Spring Boot.

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