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dagron27/README.md

Hi, I'm Daniel Leone

Systemic Engineer | Technical Artist | XR & Simulation Developer

I am a software engineer focused on building immersive, interlocking simulations and interactive systems. With a background blending a B.S. in Computer Science, a Doctor of Chiropractic degree, and a decade of leadership as a Staff Sergeant in the US Army, I approach development with a unique mix of an artist's vision, an engineer's rigor, and an operator's discipline.

Currently, I am actively developing cross-platform XR educational experiences and systemic simulations utilizing Unity 6, Unreal Engine 5, C++, and C#, accelerated by generative AI asset pipelines (Meshy, ElevenLabs, Midjourney).

The repositories below represent my foundational work in low-level systems programming, machine learning, data architecture, and software quality assurance—the critical mechanics required to build robust, scalable interactive worlds.


Machine Learning, AI & Data Science

End-to-end pipelines from synthetic data generation to model training and statistical validation.

Academic Research & Experimental Design

Formal scientific methodology and empirical testing.

  • Cross-Language Sort Performance Benchmark: Designed and executed a formal numerical experiment comparing C++, Java, and Python sorting algorithms, utilizing MAD outlier filtering and effect size calculations.

Systems Engineering & Low-Level Architecture

Memory management, concurrency, custom file I/O, and networking mechanics.

Full-Stack & Database Development

Relational schemas, backend integration, and web frameworks.

  • Movie Database & Index Performance: SQL architecture demonstration featuring a Flask backend designed to empirically benchmark B-tree index performance at scale.
  • Restaurant Menu App: Full-stack PHP/MySQL application featuring rigorous XSS defense-in-depth mitigations and automated CI/CD environment integration.
  • Book Review Database App: Relational database design modeling complex entities and backend API integration.

Software Quality Assurance (QA) & Testing

Building systems that verify their own integrity.

  • Snake App with Test Modules: Java Swing interactive application built around a rigorous JUnit 5 suite, featuring test doubles and reflection-based private state validation.
  • Java Calculator CI with Testing: Java testing environment demonstrating test runner audits, guard clause validation, and GitHub Actions CI pipelines.

Pinned Loading

  1. restaurant-menu-app restaurant-menu-app Public

    Full-stack PHP and MySQL web application.

    PHP

  2. river-raid-concurrency-demo river-raid-concurrency-demo Public

    Forked from Justin-HAL/320-fa24-final-task

    Multi-threaded Python architecture simulating game mechanics with inter-process communication (IPC) and custom SSH tunneling.

    Python

  3. snake-game-dqn-simulation snake-game-dqn-simulation Public

    Headless PyGame simulation environment and custom Deep Q-Network (DQN) reinforcement learning agent.

    Jupyter Notebook

  4. sort-performance-benchmark sort-performance-benchmark Public

    Formal numerical experiment and statistical analysis comparing C++, Java, and Python sorting algorithm efficiencies.

    Jupyter Notebook

  5. yolo-sprite-object-detection yolo-sprite-object-detection Public

    Custom YOLO-style convolutional neural network (CNN) trained from scratch for precise object detection and classification.

    Jupyter Notebook

  6. zipcode-file-structure-indexing zipcode-file-structure-indexing Public

    C++ application demonstrating custom length-indicated file I/O, buffering, and O(1) primary-key disk indexing.

    C++