• Developing and deploying AI models for industrial applications

• Double Majoring in Business Administration and Software
• GPA: 4.05/4.5 (150 credits completed)

• In progress

• Kim, J., Ma, M., Choi, E., Cho, K., & Lee, C. (2024). TraM: Enhancing User Sleep Prediction with Transformer-based Multivariate Time Series Modeling and Machine Learning Ensembles. ICTC.

(Team Leader) LLM Fine-Tuning, Object Detection Fine-Tuning, UI/UX Design, React Native & Spring Development

• Developed a service to refine product information into accessible textual descriptions for visually impaired users
• Built an object detection model for products and reference objects to describe product sizes accurately
• Applied prompt engineering and parameter-efficient fine-tuning on the Deepseek-R1 Distilled LLM (Qwen)
• Achieved 95% accuracy in size description and the best performance with fine-tuned LLM (F1-score: 0.7508)
• Accomplished top usability score (4.6/5.0) from testing with 7 visually impaired users, outperforming existing platforms

Data Collection & Preprocessing, LLM Fine-Tuning, React & Django Development

• Developed a legal support chatbot service using sub-10.8B parameter sLLM on NPU servers
• Implemented RAG with Korean statutes and case law for evidence-based Q&A, legal search, and sentence prediction
• Achieved an average Time to First Token (TTFT) of 2.5 seconds per round, enabling robust multi-turn interactions
• Improved explicitness by 21%p and relevance by 45%p over existing services, based on lawyer evaluations

(Team Leader) Data Analysis & Preprocessing, Time-Series Deep Learning Modeling, First Author of Conference Paper

• Utilized lifelog data to recognize and infer sleep patterns, emotional states, and stress indicators
• Applied time-series regression model and multi-output classifier based on data-driven analysis
• Achieved 2nd place in the final private leaderboard (F1-score) with a robust predictive model
• Published and presented a first-author paper at ICTC conference (Kim et al., 2024)

(Team Leader) UI/UX Design, Project Management, React Native Development, DevOps

• Developed a service to address crowd congestion by providing real-time crowd density information for major locations
• Delivered spatial trend rankings and popular keywords based on user-uploaded posts
• Built and demonstrated a prototype of the “Sesohaeng” application
• Selected as a presenter at the Capstone Excellence Conference and awarded the Encouragement Prize

UI/UX Design, Frontend Development, DevOps

• Developed “Facegram”, a Korean composite sketch generation service for criminals and missing children
• Built facial image generation and storage functionality with customizable attributes
• Led UI/UX design, frontend development, and DevOps implementation from concept to prototype demonstration
• Gained comprehensive experience in full-stack IT service development from initial development through deployment

Coach

• Facilitating Q&A sessions for participants in boostcourse study programs
• Managing study group operations to ensure active participation

Natural Language Processing Domain Camper (Trainee)

• Ranked 1st out of 15 teams in the CSAT-style Question Solving Model Project
• Ranked 1st out of 16 teams in the Data-Centric Topic Classification Project
• Ranked 2nd out of 16 teams as Team Lead in the Open-Domain Question Answering Project
• Ranked 3rd out of 16 teams in the Semantic Textual Similarity Project

Research Intern (under Professor Changwoo Lee)

• Conducted literature review and foundational research on time-series data
• Explored techniques for multivariate time-series preprocessing, analysis, and modeling
• Designed and implemented a basic framework for time-series anomaly detection

Core Member (2022-2023) and Chapter Lead (2023-2024)

• Served as organizer in a university developer community supported by Google Developer Groups
• Led seminar and session, delivered frontend development training, and managed member recruitment and operations
• Contributed to developer community by founding and actively operating the first GDSC chapter at Kookmin University

• Learned the fundamentals of Shell scripting and C programming through peer-based, project-driven learning

• Awarded by the Ministry of Science and ICT for achieving top leaderboard performance in an AI research competition

• Proposed and demonstrated a navigation and hazard-awareness service for the visually impaired

• Recognized for developing a real-time spatial trend analysis and crowd density information service

• Received scholarship for academic excellence within the department

Mentor

• Conducted TOEIC mentoring sessions covering vocabulary, listening comprehension, and reading sections

Program Captain & Brand Marketing Team Lead

• Oversaw overall program coordination and led the brand marketing team during a career exploration initiative
• Conducted interviews with marketing professionals, researched job roles, and compiled career reports
• Presented a job roadmap proposal in a team competition and received the Silver Award
• Awarded the Best Leadership Award for excellence in program planning and team management

• TEPS: 417 / 600

• JLPT N1: 合格 119 / 180