About me
Parallel & High-Volume Architecture
Designing systems that stay fast and correct under heavy load.
Data Platforms & Integrity
Moving and validating large-scale data without losing trust in it.
Applied AI · RAG
Turning LLMs into reliable, grounded business tools.
Problem Structuring & Leadership
Turning tacit business knowledge into systems teams can run.
Career
POSCO DX
Full-timeSCM Operations (Backend, Frontend)
Automated Steel-Market Insight Collection with GPT-3.5 Turbo
90%+ insight accuracy
Zero ungrounded output
Marketing DX Refresh — Sub PL, Backend Development
Parallel Design Engine
15s → 0.2s per design
Up to 50 threads per request
Data Lake Migration & Validation
99.99% data consistency
64s → 0.1s bulk save
SCM Software · AX Development & Operations (Backend, Frontend)
Automated Matching of Unstructured Text Against Internal Standards (AX Project)
55% → 90% match accuracy
4h → 5min per review
Independent Dev Workflow for the Ho Chi Minh ODC Team
1-month onboarding
Full SDLC ownership
Bit Training Center
Team LeadJava Expert Program
Legacy System MSA Migration & Mobile Chat Interface
Monolith → microservices
Mobile chat lookup
Certifications
Big Data Analytics Engineer
Korea Data AgencyADsP — Advanced Data Analytics Semi-Professional
Korea Data AgencyEngineer Information Processing
Human Resources Development Service of KoreaAwards
Karma — Unity 3D Game
Jeonbuk National UniversityLed a 3-person team building the core gameplay systems (movement, NPC interaction, quests, UI events) in C#, and designed a real-time Raycast/Collider-based interaction system.
Designed the system architecture: reusable component-based common features via prefabs, with event-driven object interaction logic.