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jinchuntan/README.md

Nigel Tan — Signals to impact. An original circuit illustration connects a chip to a signal trace.

Portfolio  ·  LinkedIn  ·  Research  ·  Credentials  ·  Email

I'm Tan Jin Chun (Nigel), a physical design engineer in Kuala Lumpur. I build tools for chip-design workflows and research uncertainty-aware monitoring.

Hackathon projects

Jaga: an original illustration of a message, a protective shield and a voice device.
Jaga
3rd place · Codex Malaysia 2026

Scam checks across web, Telegram and an ESP32 voice companion.

Code · Demo · Award & story 		Waddle: an original illustration of suppliers connecting to a procurement workspace.
Waddle
Winner · Dollar Track · AI.SEA $1 Sprint

Supplier discovery and procurement conversations for SMEs.

Code · Product · Recognition
Kintsugi Notes: an original illustration of a study card repaired with a golden seam.
Kintsugi Notes
Iteration Machine · Special Prize · DSH Hacks V1

Turns study mistakes into explanations and targeted practice.

Code · Demo · Award 		Persephone: an original illustration of a wearable event badge and a voice waveform.
Persephone
Top 5 finalist · Robotics & Physical AI · Agentic AI Build Week

An ESP32 voice badge that turns audience questions into a shared Q&A feed.

Code & firmware · Architecture · Recognition

Jaga, Waddle and Persephone are team projects with Nathan Hor. Kintsugi Notes is an individual project.

Research: ConfoSense — forecasting, conformal prediction and reliable building alerts.

More projects & recognition
Project Highlight Explore
Presence Postcard 1st place · AR Track, Pacific Portal XR 2026 Project overview
Purrmit Top 3 finalist · Lovable Healthcare Operations Code · Demo
Quipus Conversation memory and compact recording hardware Code
RoomLab Multiplayer spatial learning prototype Code

Also: ProcurePilot · GotongFlow · OCI field tools

Open source

42 public upstream PRs across 19 repositories: 7 merged, 35 open, 0 closed without merging.

IC design

OpenROAD 2 open
OpenROAD flow scripts 2 open
KLayout 1 open
OpenRAM 1 open
LibreLane 1 open

AI & data

LangChain.js 4 open
Hugging Face Datasets 8 open
LeRobot 1 open
Ollama 2 open
pandas 1 open
ROOT 1 open

Developer tools

Ruff 2 open
Prettier 1 open
pytest 1 open
Snakemake 1 open
8f4e 4 merged · 5 open
FleetPilot 2 merged
vibeCI 1 merged
Pyrite 1 open
Explore all 42 pull requests
Repository Pull request Status
andorthehood/8f4e #1093 · fix(tokenizer): reject non-ASCII entity names Open
andorthehood/8f4e #1091 · fix(memory-reference-resolver): preserve float64 metadata bounds Open
andorthehood/8f4e #1090 · fix(memory-planner): preserve float64 array value types Open
andorthehood/8f4e #1089 · fix(tokenizer): preserve exponent signs in compile-time expressions Open
andorthehood/8f4e #1088 · fix(wasm-codegen): preserve one-element array initializers Open
andorthehood/8f4e #1087 · fix(tokenizer): reject overflowing hexadecimal and binary literals Merged
andorthehood/8f4e #1082 · fix(tokenizer): invalidate cached ASTs after source edits Merged
andorthehood/8f4e #1080 · fix(project-preparser): preserve note block content Merged
andorthehood/8f4e #1078 · fix(compiler): reject invalid array sizes Merged
astral-sh/ruff #29454 · [flake8-use-pathlib] Add an autofix for the last path component (PTH206) Open
astral-sh/ruff #29453 · [flake8-use-pathlib] Add an autofix for extension access (PTH122) Open
ChristianHandy/FleetPilot #111 · Add tests for scheduler settings and automatic updates Merged
ChristianHandy/FleetPilot #110 · Add tests for the example Slack notification plugin Merged
huggingface/datasets #8847 · Hide GPUs before spawning TensorFlow data workers Open
huggingface/datasets #8846 · Restore packaged type information and public re-exports Open
huggingface/datasets #8845 · Copy existing tensors without a PyTorch warning Open
huggingface/datasets #8844 · Warn once when resuming a shuffled dataset Open
huggingface/datasets #8843 · Fix mask resizing in the semantic segmentation guide Open
huggingface/datasets #8842 · Include the config name when no data files are found Open
huggingface/datasets #8841 · Handle UTF-8 BOMs in every JSON input file Open
huggingface/datasets #8840 · Fix indices buffer loading in Dataset.from_buffer Open
huggingface/lerobot #5004 · Add image size and JPEG quality controls to dataset viewer Open
KLayout/klayout #2516 · Use explicit LEF files without directory scanning Open
langchain-ai/langchainjs #11975 · feat(mcp-adapters): support progress timeout resets Open
langchain-ai/langchainjs #11974 · fix(google-common): preserve anyOf tool schemas Open
langchain-ai/langchainjs #11973 · fix(core): preserve routes and per-input errors in router batches Open
langchain-ai/langchainjs #11972 · fix(openai): preserve request options when streaming Open
librelane/librelane #1053 · KLayout: make DEF layer map optional Open
ollama/ollama #19097 · Avoid reusing runners after cancelled startup Open
ollama/ollama #19096 · Handle servers that ignore download ranges Open
pandas-dev/pandas #71269 · BUG preserve error bars when plot labels are changed Open
piyush588/vibeCI #14 · Add Bun test runner detection Merged
prettier/prettier #20312 · Keep method chains stable when the last argument expands Open
pyrite-wiki/pyrite #1007 · fix: use the package version in OpenAPI Open
pytest-dev/pytest #15197 · Escape unencodable names in PYTEST_CURRENT_TEST Open
root-project/root #23747 · [core] Fix shell detection with multiline commands Open
snakemake/snakemake #4346 · docs: document the minimum Pixi version for contributors Open
The-OpenROAD-Project/OpenROAD #11815 · odb: avoid moved port names on buffered driver nets Open
The-OpenROAD-Project/OpenROAD #11814 · odb: require matching layers for pin abutment Open
The-OpenROAD-Project/OpenROAD-flow-scripts #4696 · fix(drc): preserve violations in nested report categories Open
The-OpenROAD-Project/OpenROAD-flow-scripts #4695 · fix(report): classify metric generation errors as failures Open
VLSIDA/OpenRAM #329 · Load configuration files by path Open

Public upstream PRs · Updated 2026-10-18 · Auto-refresh ~6h

Featured in

An original illustration of sunshine, a solar panel and a home. Hybrid Solar Lighting System
Modular lighting powered by solar energy.

Springwise ↗ · Innovation feature
SDG7 Youth ↗ · Project spotlight

Toolkit

Focus Tools & interests
Chip design Physical design · STA · Power integrity · Innovus · Voltus
Software Python · Tcl · C/C++ · TypeScript
Research & hardware Time-series forecasting · Conformal prediction · ESP32

Beyond code: Monash industry advisory panel · Agora ambassador · Oracle ACE Associate.

@jinchuntan's activity is private