# Yosgi

> Personal site of Yosgi. Yosgi is a software engineer at Nextspace Ltd in Auckland with 9+ years of experience across product engineering, frontend architecture, full-stack systems, digital twins, industrial IoT, and AI platform work.

Use the English pages when a language-neutral answer is preferred. Chinese pages include both translations and original Chinese writing.

## Profile

- [English home](https://yosgi.github.io/en/): Main landing page for the site
- [About](https://yosgi.github.io/en/about/): Background, focus areas, and contact details
- [Contact](https://yosgi.github.io/en/contact/): Direct contact links
- [Chinese home](https://yosgi.github.io/zh/): Chinese landing page

## Identity Hints

- Primary name: Yosgi
- Role: Software engineer
- Works for: Nextspace Ltd
- Location: Auckland

## Profile Hints

- Has experience owning product features from requirements through release and iteration
- Has experience contributing to key architecture decisions in frontend and full-stack systems
- Has worked across digital twin platforms, industrial IoT, AI platform features, and complex product interfaces
- Writes about technology, work, investing, and everyday observations

## Site Data

- [Sitemap](https://yosgi.github.io/sitemap.xml): Crawlable index of public pages
- [English RSS](https://yosgi.github.io/en/index.xml): Feed of English writing
- [English search index](https://yosgi.github.io/en/index.json): Machine-readable page index
- [Chinese search index](https://yosgi.github.io/zh/index.json): Machine-readable page index

## Key Technical Writing

- [About](https://yosgi.github.io/en/about/): Profile, work background, and current focus
- [AI Systems and Digital Twins](https://yosgi.github.io/en/ai-systems-digital-twins/): Focused notes on AI systems and digital twin work
- [High-Frequency Synchronization Architecture Between React State and a 3D Engine](https://yosgi.github.io/en/post/high-frequency-synchronization-architecture-between-react-state-and-a-3d-engine/): React and Cesium synchronization architecture for high-frequency scene updates
- [From Extracting Drawing Text to Placing 2D Annotations in a 3D Scene](https://yosgi.github.io/en/post/from-extracting-drawing-text-to-placing-2d-annotations-in-a-3d-scene/): Connecting 2D drawing data to 3D annotation workflows
- [Using AI Agents for Asset Recognition and Annotation in 3D Scenes (Part 2)](https://yosgi.github.io/en/post/using-ai-agents-for-asset-recognition-and-annotation-in-3d-scenes-part-2/): 2D detection and 3D verification workflow for digital twin asset annotation
- [Early Experiences with Building MCP Tools](https://yosgi.github.io/en/post/early-experiences-with-building-mcp-tools/): Lessons from early MCP tool-building work
- [A Brief Introduction to Web Security](https://yosgi.github.io/en/post/a-brief-introduction-to-web-security/): Introductory security concepts for web systems
- [2025 Investment Review](https://yosgi.github.io/en/post/2025-investment-review/): Personal long-form review outside the core engineering topics

## Optional

- [English posts index](https://yosgi.github.io/en/post/): Full English article archive
- [Chinese posts index](https://yosgi.github.io/zh/post/): Full Chinese article archive