Justin Rosales

A universal web and mobile app for technical interview prep using pattern-based spaced repetition. Integrates Gemini AI to grade dictated problem-solving competency and SM-2 math scheduling to serve unseen LeetCode problems by algorithmic pattern.

A secure expense-splitting web app featuring 100% client-side real-time facial recognition via TensorFlow.js to dynamically track user presence and allocate utility costs, integrated with Auth0 authentication. Won 1st Place for 'Best Use of Auth0' at MHacks 2025.

A real-time competitive mental math duel game where players race head-to-head solving arithmetic problems within a 120-second time limit using deterministic seeded problem generation for fairness.

A neuroevolution simulation in Python evolving feedforward neural networks via the NEAT algorithm to play Flappy Bird autonomously, surpassing human-level consistency within 10 generations of 50 agents.