David LeonardNagy

    Founding Engineer & CTO | AI Researcher
    specializing in RL, NLP, and Transformers

    Computer Science @ NWMSU · GPA 4.0

    About Me

    I'm an undergraduate Computer Science student and ML Engineer with 9+ years of programming experience and two International Olympiad in AI (IOAI) medals. My research focuses on reinforcement learning, NLP, and transformer architectures. I have hands-on experience shipping ML systems from research through full-stack and cloud deployment, most recently as the founding engineer of an early-stage AI startup.

    Research Areas

    Reinforcement Learning, NLP

    Technical Focus

    AI Systems, Cloud Architecture

    Location

    Maryville, Missouri, USA

    Education

    Northwest Missouri State University

    Work Experience

    Founder & CTO

    Jun 2026 - Aug 2026

    SynthinAI

    Budapest, Hungary

    • Founded and lead technical development of a Generative Engine Optimization (GEO) platform that measures how businesses are represented in ChatGPT, Perplexity, and Gemini answers.
    • Built the core measurement pipeline that logs repeated, verbatim LLM answers to real buyer questions and extracts mention rate, ranking position, sentiment/stance, and citation signals for competitive benchmarking.
    • Closed the company's first paying client.
    • Own product and technical direction end-to-end, from architecture through client delivery.

    Hungarian IOAI Team Coach

    2026

    Eötvös Loránd University (ELTE)

    Budapest, Hungary

    • Mentored and coached the Hungarian national team for the International Olympiad in Artificial Intelligence (IOAI).
    • Team achieved 2 Silver Medals at IOAI 2026.

    Research & Projects

    VectorShake (2025)

    40× faster training, matched SOTA accuracy

    A few-shot NLP framework enhancing transformer generalization via latent-space regularization and dynamic adaptive curriculum. Published research at ELTE.

    Project Horizon

    400+ concurrent users · live on Play Store & App Store

    Founded a student IT modernization initiative and shipped a mobile app to both Play Store and App Store.

    More Projects

    Ecotorch

    A lightweight, plug-and-play tool to measure the ecological impact and efficiency of PyTorch models.

    G-NDI

    An ongoing novel research project focused on a causal approach to layer importance and model pruning.

    Self-Hosted AI Assistant

    Maintains a self-hosted AI assistant (Proxmox, Ollama) integrated with home automation, media management, and productivity tooling on personal infrastructure.

    Financial Simulator

    Python-based algorithmic trading simulator with consistent results on Fortune 500 data. Implements various trading strategies and backtesting.

    Skills

    9+ years of programming experience

    IOAI Silver & Bronze Medalist

    Founding Engineer & CTO at SynthinAI

    Published Research (TDK Thesis)

    Programming Languages

    Python
    JavaScript
    TypeScript
    C++
    C#
    Java
    HTML/CSS
    SQL

    AI & Machine Learning

    PyTorch
    TensorFlow
    Hugging Face (Transformers/Datasets)
    Weights & Biases
    NumPy
    Pandas
    Scikit-learn
    Reinforcement Learning
    NLP
    Transformer Architectures
    Computer Vision

    Web & Cloud

    React
    Next.js
    Node.js
    Bun
    GCP
    AWS
    Firebase
    Docker
    Kubernetes
    CI/CD

    Infrastructure & Tools

    Linux
    Proxmox
    Git
    PostgreSQL
    Caddy
    Prometheus
    Grafana
    WebSockets
    REST APIs
    Server Architecture
    pytest

    Tools & OS

    Git
    PostgreSQL
    Linux
    MacOS
    Docker
    VS Code
    JetBrains Suite

    Achievements

    Bronze Medal, Aug 2025

    International Olympiad in Artificial Intelligence | Beijing, China

    Silver Medal, Aug 2024

    International Olympiad in Artificial Intelligence | Burgas, Bulgaria

    President's Honor Roll

    Northwest Missouri State University | 4.0 GPA

    National Champion

    Sports - Goalkeeper, Floorball Olympiad

    Academic Excellence

    Scholarship for Outstanding Performance in High School

    Education

    Northwest Missouri State University

    Maryville, Missouri, USA

    Bachelor of Science in Computer Science

    Aug 2025 - May 2029 (Expected)

    GPA: 4.0/4.0 - President's Honor Roll. Focus on AI, Reinforcement Learning, and NLP.

    Eötvös Loránd University (ELTE)

    Budapest, Hungary

    Independent Research

    Mar 2025 - Jun 2025

    TDK Thesis: Vectorshake - Few-shot NLP Framework improving transformer generalization. Matched SOTA accuracy while cutting training time by 40x.

    Apáczai Csere János High School

    Budapest, Hungary

    High School Diploma

    2019-2025

    Graduated with GPA: 4.0/4.0 - Specialized in Mathematics and Computer Science