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hey there


Hello! I'm Hyeongchan from Korea. I enjoy programming, working out, and bouldering.

  • Service many machine learning products in various domains, Audio & Speech, Vision, NLP, Recommendation Systems, Tabular, and LLM applications in many startups.
  • Kaggle 2x Expert. the highest competition rank is top 0.1%.
  • Here's my C.V. Feel free to contact me at the email kozistr@gmail.com :)

previously...

  • 2023 - 2024 : Joined Sionic.AI. Built enterprise-grade LLM applications.
  • 2021 - 2023 : Joined Viva Republica (Toss). Developed many products like BNPL, CSS, OCR, NPS, CDP, and in-house products.
  • 2020 - 2021 : Joined Watcha. Developed Watcha recommendation system, and contributed to other products like WatchaPedia, in-house applications.
  • 2019 - 2020 : Joined Rainist (Banksalad). Developed a transaction classifier service to analyze the categories with low latency, high accuracy, and in real-time.
  • 2019 : Joined VoyagerX. Developed a speaker diarization product that automatically recognizes the contents of the meeting.
  • - 2019 : offensive security stuffs. Mainly researched and studied Linux kernel exploitation and reverse engineering.

Current Interests

  • Kaggle Challenges
  • Building something in Rust
  • Bouldering

📊 this week i spent my time on:

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I'm a Night 🦉

🌞 Morning                1367 commits        ██░░░░░░░░░░░░░░░░░░░░░░░   09.78 % 
🌆 Daytime                5552 commits        ██████████░░░░░░░░░░░░░░░   39.71 % 
🌃 Evening                4985 commits        █████████░░░░░░░░░░░░░░░░   35.65 % 
🌙 Night                  2079 commits        ████░░░░░░░░░░░░░░░░░░░░░   14.87 %

Last Updated on 24/09/2024 15:33:04 UTC

📈 my github stats

kozistr