Hi there! I'm
Gyujin Lee
Software Engineer• 5x Hackathon Winner
Building impactful AI solutions for
healthcare, accessibility, and beyond!
Open to opportunities starting Summer 2026
Hackathon Wins
Winning projects from top university hackathons in the United States
Sweet
iMessage-native AI assistant for diabetes management through conversational text messages
The Last Vigil
Learn American Sign Language by casting spells to defeat monsters.
Procrasti-Hater
The only productivity tool that hates you. Uses AI vision to catch slacking (phones, sleep, games) and mercilessly roasts you back to work in real-time.
CharAIdes
Real-time AI-powered charades game—communicate with AI through gestures alone.
Forge the World
Real-time survival defense RPG where you scan real objects with your camera—AI turns them into fantasy gear and a blacksmith roasts your inventory.
Personal Projects
Exploring ideas, technologies, and building solutions to make a difference
Experience
A journey through tech, service, and leadership
Undergraduate Research Assistant
Computer Science Department, Dickinson College
Spring 2026 - Present
Researching chain-of-thought reasoning in large language models (LLMs) to improve training efficiency and accuracy. Developing scalable experiments using Python and PyTorch, building on the NanoGPT architecture. Benchmarking GPU training efficiencies and conducting financial cost-benefit analyses across various model sizes. Contributing to a peer-reviewed publication on liberated CoT techniques for arithmetic and algebraic tasks.
Resident Advisor
Student Life, Dickinson College
August 2023 - Present
Leading a community of 15-40 residents and supporting student wellbeing in residential hall. Coordinating social events and facilitating community engagement and conflict resolution.
President
Korean Student Association
Present
Leading the Korean Student Association with 30+ members. Organizing cultural events and managing budget. Fostering community engagement among Korean students.
IT Specialist
Republic of Korea Army
September 2023 – March 2025
Ensured operational readiness for a 3,000-personnel brigade. Administered Linux systems, secured Apache servers, and managed network access for 500+ devices with NAC tools. Maintained 24/7 system availability and provided technical support.
Software Engineer Intern
MetapleBio
June – August 2023
Developed surgical image analysis tools for precision cancer and tumor removal surgery. Optimized C++ image processing algorithms for tumor detection systems. Redesigned UI for image analysis control panel using PyQt5, C++, and C# to improve user workflow efficiency.
Teaching Assistant
Mathematics Department, Dickinson College
August 2022 – May 2023
Supported 30+ students in Single Variable Calculus through weekly recitation sessions and one-on-one tutoring. Managed lab sessions, graded assignments and exams, and provided 7 hours of weekly support. Helped students develop problem-solving strategies and mathematical reasoning skills.
Sophomore Representative
CS & Math Majors Committee
2022-2023
Represented sophomore students in CS and Math departments. Participated in faculty meetings and advocated for curriculum improvements.
Secretary
Math & CS Club
2022-2023
Managed communications and operations for Math & CS Club with 180+ active members. Organized meetings and coordinated events. Facilitated collaboration and maintained membership records.
Skills
Technologies and tools I use
Programming Languages
Frameworks & Libraries
AI & Machine Learning
Tools & Infrastructure
APIs & Services
Beyond the code
Capturing moments from hackathons, military service, and campus life
Sweet team
CharAIdes team at PennApps XXVI
PennApps XXVI hackathon
Hackathon moments
Military service moments
Military service moments
Club activities
Resident Advisor moments
Sweet team
CharAIdes team at PennApps XXVI
PennApps XXVI hackathon
Hackathon moments
Military service moments
Military service moments
Club activities
Resident Advisor moments
Sweet team
CharAIdes team at PennApps XXVI
PennApps XXVI hackathon
Hackathon moments
Military service moments
Military service moments
Club activities
Resident Advisor moments
Sweet team
CharAIdes team at PennApps XXVI
PennApps XXVI hackathon
Hackathon moments
Military service moments
Military service moments
Club activities
Resident Advisor moments
Get in Touch
I'd love to hear from you! Whether you have a question, want to collaborate, or just want to say hi, feel free to reach out.