Projects – Nathanael Johnson

Mental Health LLM Evaluation

Evaluating Large Language Models for Mental Health Applications: A Comprehensive Study on Bias and Fairness

Airline Revenue Optimization System

Designed a predictive ML system for airline passenger no-shows to maximize overbooking revenue using cost-sensitive learning and Monte Carlo simulations

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F1 AI Race Predictor

Built an end-to-end race prediction platform using historical race data, weather, driver performance, and qualifying results, achieving 68.5% accuracy

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Portfolio Optimization Dashboard

Designed a full-stack investment optimization system supporting strategies like Markowitz, Black-Litterman, and Risk Parity, with real-time analytics dashboards

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Nashville Airbnb Data Analysis

Enhancing InsideAirbnb.com with Predictive Analytics on Nashville Listings: A Data-Driven Approach to Price and Rating Predictions

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Building Once UI, a Customizable Design System

Development of a flexible and highly customizable design system using Next.js for front-end and Figma for design collaboration.

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Once UI: Open-source design system

Automating Design Handovers with a Figma to Code Pipeline

Explore the enduring debate between using spaces and tabs for code indentation, and why this choice matters more than you might think.

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