Resume
2024 - Present
Software Engineer
Aptamigo
Chicago, IL
- • Revenue Growth via 24/7 AI Engagement: Built an after-hours AI engagement system increasing daily closed deals by 30%+.
- • Data Ingestion Automation: Built crawling pipelines ingesting 30,000+ listings daily.
- • Workflow Automation & Retention: Reduced manual workload and top-agent churn by 65%.
2023 - 2024
Tech Lead
SK Ecoplant Americas
Irvine, CA
- • Sole IT Lead & System Ownership: Led end-to-end design, development, and operation of core internal systems for the U.S. subsidiary.
- • Invoice Automation Platform: Built and deployed a full AR/AP automation system, offsetting two planned hires and saving ~$320K annually.
2015 - 2021
Senior Software Engineer / Manager
Hyundai Motors
Seoul, South Korea
- • Distributed Quality Systems: Built high-throughput quality management platforms for global manufacturing.
- • DB Architecture Optimization: Reduced DB load time by 98% (600s → 5s) by minimizing write I/O (Tibero Zeta).
- • Global SPC Rollout: Standardized SPC across 20,000+ machines in 10 countries, cutting defects by 30%.
- • Smart Factory Innovation: Delivered mobile inspection, lot traceability, and IoT-based factory tools.
Technical Skills
Languages: TypeScript, Python, C++, SQL, R, MATLAB
AI/Robotics: Reinforcement Learning(SB3), LangGraph/LangChain, PyTorch, MuJoCo, OpenCV, Sim2Real
Frameworks/Libraries: Node.js, Django, MySQL, MongoDB, AWS, Distributed Systems
Databases: MySQL, MongoDB, VectorDB
Others: Operation Research, Traditional Statistics, Linux, Raspberry-pi, Arduino, GitHub
Education
2021 - 2022
University of Wisconsin - Madison
MS Computer Science
Advisor : Prof.Josiah Hanna
Madison, WI
2012 - 2013
Stony Brook University
BS Applied Mathematics & Statistics
StonyBrook, NY