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Achievements

Achievement: Galaxy BrainAchievement: QuickdrawAchievement: YOLO

Achievements

Achievement: Galaxy BrainAchievement: QuickdrawAchievement: YOLO

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Baek-Seunghyun/README.md

πŸ“Š GitHub

GitHub stats GitHub streak

⚑ AI Coding

AI usage

Want this card on your profile? β†’ Baek-Seunghyun/ai-coding-usage-card

πŸ’Ό Experience

CTO @ ONOFFER Β· 7 years of engineering

Period Focus
2019 – 2020 Machine vision β€” vision algorithm improvement for industrial inspection equipment
2020 – 2023 HPC engineering β€” multi-GPU computing, algorithm parallelization & optimization (C++ Β· CUDA)
2023 – 2026 Graphics engine development (OpenGL Β· WebGL Β· WebGPU)
2026 – Present CTO @ ONOFFER β€” leading company-wide AI transformation (AX): ontology-driven knowledge systems & workflow automation

πŸ”§ Technologies & Tools

βŒ› Before the AI era β€” handcrafted, line by line. λ‚­λ§Œ.

⚑ AI era β€” shipping at the speed of thought

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  1. ONOFFERDEV/tikron-platform ONOFFERDEV/tikron-platform Public

    Server-authoritative multiplayer for web games β€” one Durable Object per room, on the edge. Source-available SDK (FSL-1.1), built so AI coding agents ship multiplayer games in one session.

    JavaScript 1

  2. ai-coding-usage-card ai-coding-usage-card Public

    Self-hosted GitHub profile card for AI coding token usage (Claude Code, Codex, Gemini, ...) β€” ccusage + SVG, no external services

    JavaScript 6

  3. ghostty-org/ghostty ghostty-org/ghostty Public

    πŸ‘» Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platform-native UI and GPU acceleration.

    Zig 58.2k 3.1k