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Roy Liu

609-721-0429 | royrliu@utexas.edu | Austin, TX

Education

University of Texas at Austin
Bachelor of Science in Computer Science, GPA: 3.94/4.0 Expected May 2028

Relevant Coursework: Data Structures, Discrete Mathematics, Statistics, Multivariable Calculus

Experience

Undergraduate Researcher, GAMMA Lab
University of Texas at Austin Oct 2025 – Present
  • Developed a Bayesian inference framework using Physics-Informed SGLD to reconstruct 9D Hamiltonian parameters from experimental data.
  • Architected a differentiable Modulated SIREN surrogate with 13 inputs, leveraging a global latent conditioning space to achieve ∼0.02 MSE.
  • Engineered a high-throughput data generation pipeline in Julia on TACC supercomputers, producing 30GB of data.
Simulation & Validation Team, Longhorn Racing
Longhorn Racing Combustion Sep 2025 – Present
  • Modeled limited-slip differential torque behavior using custom differential-algebraic equations in Julia.
  • Analyzed damping curve data and performed interpolation to optimize vehicle performance.
  • Developed kinematics model features in Python/Matplotlib, including anti-roll bar angles.

Projects

Short-term Financial Stock Modeler
Python, XGBoost, Machine Learning 2024 – 2025
  • Engineered ML models (XGBoost, CNNs, SVMs) to predict stock movements with 86% accuracy.
  • Integrated model with Alpaca API for real-time automated trading simulations.

Leadership & Athletics

Competitive Tennis
USTA / WW-P High School South 2018 – 2024
  • Ranked 3rd at USTA Zonal National Competition.
  • Played 1st Singles, leading high school team to State Finals and County Championship.
  • Developed resilience and time management skills through rigorous daily training.

Technical Skills

Languages: Java, Python, Julia
Libraries: PyTorch, scikit-learn, NumPy, HDF5
Systems: Linux, Git, MySQL, TACC