🖥 I only use  devices. (If you can see the emoji, you are also  user!)

🧠 I am trying to figure out main principles of human brain connectome.

📖 I have developed sLLMs which are specialized in Medicine, and outperformed ChatGPT.

😎 I am a Moderator with Helpful Medal on the Largest TensorFlow Discord community in the world.

• 2015.07 ~ 2019.02 🤩 : Serving a Minecraft server platform, as known as Avis Games during my teenage years for fun.
• 2018.02 ~ 2018.07 💼 : Web Frontend/Backend Development Outsourcing from Yulchon LLC.
• 2019.03 ~ 2019.05 💼 : Speech Recognition and Automation Bot (more details in Resume/CV)
• 2018.07 ~ 2021.01 💼 : Web Development Freelance (specifically in Blockchain service infrastructure)
• 2020.01 ~ 2021.01 💼 : Virtual Android Application Streaming Services (more details in Resume/CV)
• 2020.11 ~ 2021.01 💼 : Edge AI Computing and Inference Research using products from Gyrfalcon Technology
• 2021.12 ~ 2022.02 🤩 : Basars - Bowel and Stomach Abnormality Recognition System - partnered with SPASS
• 2021.12 ~ 2022.02 🤩 : Dollus - Vivid dreams for your baby - Edge AI Computing with Gyrfalcon Technology products
• 2022.07 ~ 2022.07 🏆 : NAVER CLOVA AI RUSH 2022 R1 Finalist (Out of 150 participants)
• 2022.08 ~ 2022.08 🏆 : NAVER CLOVA AI RUSH 2022 R2 4th place (Out of 70 participants)
• 2022.09 ~ 2022.11 🏆 : CoRT - Contrastive Rhetorical Tagging - from AIDA KISTI 2022 with better performance
• 2023.01 ~ 2023.03 💼 : Aleatoric Uncertainty-aware Human Organ Biological Age Estimation
• 2023.01 ~ 2023.06 💼 : Development of OOD-aware Anesthesia Tools Recommenders in Contrastive Learning Approaches
• 2023.06 ~ Present 💼 : Eric - Medical Multi-dialogue Dataset Labeling Backoffice
• 2023.06 ~ Present 💼 : Eric - Conversational Medical Knowledge AI Assistant (Outperformed ChatGPT)
• 2023.10 ~ 2023.12 💼 : Pretrained Transformers for Next Chief Complaint Predictions on Medical Check-up
• 2024.01 ~ 2024.01 🏆 : 2024 POOM Platform Best Practices Sharing Session - Eric - 2nd Prize
• 2025.01 ~ 2025.01 🏆 : Selected as an Honoree in the CES® 2025 Innovation Awards program.
• 2023.01 ~ Present 💼 : Working as Machine Learning Researcher for Medical Specialist LLMs

• 2022.06 ~ 2023.05: gato - Unofficial Gato: A Generalist Agent
• 2022.05 ~ Present: homebridge-coway - Homebridge plugin for Coway purifier devices
• 2021.01 ~ Present: homebridge-daelim-smarthome - Homebridge plugin for HomeKit-unsupported Daelim apartments
• 2019.11 ~ 2023.10: Naver-Dark - Dark mode for NAVER
• 2023.05 ~ 2023.05: flowchain - Method Chaining Extension for TensorFlow
• 2023.03 ~ 2023.05: adam-lr-decay - Adam Optimizer with Layer-wise LR Decay
• 2021.07 ~ 2022.01: GrovemadeAlerts - Grovemade order status summary, notification application for iOS/iPadOS
• 2019.04 ~ 2020.12: aegis-viii - An implementation of Spiking Neural Network with synaptic plasticity
• 2019.01 ~ 2019.07: ProDisplayXDR-ScreenSaver - Pro Display XDR screensaver for macOS
• ????.?? ~ Present: And many other private toy projects!

Python, Rust, C/C++, TypeScript, Kotlin, Swift

PyTorch, TensorFlow, FastAPI

Terraform, Amazon Web Services

JetBrains Products, Xcode

MongoDB, Redis, MySQL