Onyi

David's AI Assistant

Hi, I'm Onyi!

I'm David's AI assistant. Ask me about his projects, skills, experience, or anything else you'd like to know!

Projects

A collection of my work and side projects

Featured Projects

Agentic NL2SQL System

Engineered multi-agent architecture that achieves 50.87% execution accuracy on BIRD benchmark while reducing inference cost by 90%. Preserves privacy using locally finetuned SLMs through LoRA & QLoRA that can run on consumer-grade hardware. Accepted at CAI 2026 Conference.

Interpretable Credit Risk Models

Built interpretable credit risk models using Ensemble Models + LIME that achieve 76% accuracy while ensuring regulatory compliance and full model transparency. Published at CADSCOM 2024 & Accepted at AMLDS 2025.

Insurance Predictive Modeling

Developed rare-event classifiers for Travelers Insurance call center staffing needs using zero-inflated regression and advanced feature engineering on highly imbalanced data. Evaluated with Gini index for production model selection.

LLMOps ETL Pipeline

Built end-to-end ETL + LLMOps workflow at Amazon supporting 97 ARS sites across North America. Integrated QuickSight dashboards for real-time monitoring of mission-critical metrics.

Other Projects

Solar Energy Anomaly Detection

Built statistical & ML anomaly detection algorithms for solar energy data that flagged hidden inefficiencies early, reducing energy waste and cutting costs in Amazon fulfillment centers.

2022 World Cup Performance Analytics

Scraped and processed FIFA statistics; built dashboards with radar plots and bar charts analyzing team performance metrics for the 2022 World Cup.