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mchen04/README.md

Michael Chen

AI software engineer at Epoch, building autonomous coding-agent platforms, LLM evaluation harnesses, and multi-agent simulation infrastructure. CS graduate, UC Riverside (June 2026), with a minor in Entrepreneurship & Strategy.

Work

  • Zerg / ZTC — autonomous coding-agent platform and agentic terminal: parallel tool dispatch, background sub-agents, worktree-isolated batch execution, sandboxed multi-agent workflow runtime, MCP/provider routing, live web-mirror observability.
  • Forward-deployed engineering — embedded AI platforms for enterprise customers: an org-management, procurement, and resource-planning platform with continual-validation harnesses (deterministic state, tool, artifact, browser, and visual oracles) for an aerospace manufacturer, and an AI procurement intake and approval portal with grounded vendor research, human-owned approvals, and RBAC/separation-of-duties controls for a publicly traded enterprise software company.
  • MOBIVOLT — hardware-in-the-loop simulators, automated test systems, firmware migration (PIC32MZ to Harmony v3), and AI-assisted test and build automation for a $5M+ DOD-funded fuel-cell program: 250+ sensors, 5,000+ hours of testing.
  • PHiLIP — AMD University Program Award-winning image-generation prototype on AMD ROCm and PixArt-alpha. Project writeup. The repository README documents current operating limits.

Selected public projects

  • Kestrel — distilled audiobook speech for Apple Silicon, with public benchmarks and documented quality limits.
  • Hark — an audiobook PWA with on-device document narration, offline playback, and metadata sync. Audio stays on the importing device.
  • Epub Listener — EPUB-to-MP3 conversion with chapter markers and optional read-along data.
  • Creator Harness — a local content studio with writing review, media generation, restart recovery, and human approval steps.
  • NBA Draft Room — standalone fantasy basketball drafts with ESPN projections, third-round reversal, and CSV export. Open the app; enter results into ESPN manually.

Open source

  • mlx-audio — fixed five divergences between the MLX iSTFTNet decoders (Kokoro, KittenTTS) and the PyTorch reference they were ported from, found by diffing every intermediate tensor across both stacks on identical inputs. Kokoro rendered 2.5 dB quiet (istft overlap-add normalized by Σw instead of Σw²), and the pitch/energy upsample path was misaligned one frame against its own shortcut (F0 relative RMSE 0.134 → 0.0000). Validated over 55 utterances against frozen fp32 reference audio with thresholds calibrated to the reference model's own render-to-render noise floor: MCD 7.29 → 4.09 dB, F0 RMSE 11.5 → 5.1 Hz. Merged upstream, with regression tests.
  • Valence — patches to a friend's sports stream aggregator.

Background

  • Epoch — AI SWE Engineer: coding agents, terminal tooling, evaluation systems, multi-agent simulations.
  • MOBIVOLT LLC — Software Engineer Intern: fuel-cell test automation, hardware simulation, firmware migration support.
  • AI at UCR — Founder and President of UCR's first official AI organization (50+ members, 10+ workshops).
  • UC Riverside — B.S. Computer Science, Dean's Honor List.

Stack

AI/ML: LLM agents and tool use, RAG, MCP, LLM evaluation, multi-agent simulation, PyTorch, HuggingFace Languages: Python, TypeScript, C++, C#, Go, Rust, SQL Systems: Node.js, FastAPI, React, Next.js, PostgreSQL, Redis, Docker, Kubernetes, AWS, GCP

Links

Portfolio · LinkedIn

Pinned Loading

  1. PHiLIP PHiLIP Public

    AI image generation and enhancement pipeline using generative models with configurable style prompts and automated generation loops.

    Python

  2. kestrel-tts kestrel-tts Public

    Kestrel: distilled frame-rate TTS for Apple Silicon — Kokoro-82M made 57x faster on an M2 (MLX), with an honest quality report

    Python

  3. claude-switch claude-switch Public

    macOS CLI for sub-second switching between Claude Code accounts via Keychain swap, with optional shared config and per-profile usage dashboard.

    Rust

  4. tcd tcd Public

    zsh + tmux helper to launch, find, and reattach to long-running AI CLI sessions (Claude Code, Codex) by partial name — survives reboots and phone reconnects.

    Shell

  5. hark-audiobook hark-audiobook Public

    Private, installable offline-first audiobook PWA with on-device MP3 storage, chapter-aware playback, cross-device progress sync, and no audio uploads.

    TypeScript

  6. epub-listener epub-listener Public

    Python CLI that converts EPUB books into chaptered MP3 audiobooks using Edge-TTS, Kokoro, Hugging Face models, or local narration commands.

    Python