.profile/README.md

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### 🧠 About Me

**Full-Stack Developer · Software Architect · DevOps Engineer**

I build high-concurrency distributed systems, elegant APIs, and polished desktop tooling. Passionate about squeezing every last drop of performance out of constrained environments — whether it's a 10 Mbps edge network or a Rust-powered desktop app.

🕐 **Timezone:** Asia/Shanghai (UTC+8)

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### 🛠️ Tech Arsenal

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**Languages**

![Java](https://img.shields.io/badge/Java-ED8B00?style=for-the-badge&logo=openjdk&logoColor=white)
![Go](https://img.shields.io/badge/Go-00ADD8?style=for-the-badge&logo=go&logoColor=white)
![Rust](https://img.shields.io/badge/Rust-000000?style=for-the-badge&logo=rust&logoColor=white)
![Python](https://img.shields.io/badge/Python-3776AB?style=for-the-badge&logo=python&logoColor=white)
![TypeScript](https://img.shields.io/badge/TypeScript-3178C6?style=for-the-badge&logo=typescript&logoColor=white)

**Frameworks**

![Spring Boot](https://img.shields.io/badge/Spring_Boot-6DB33F?style=for-the-badge&logo=springboot&logoColor=white)
![Gin](https://img.shields.io/badge/Gin-00ADD8?style=for-the-badge&logo=go&logoColor=white)
![Tauri](https://img.shields.io/badge/Tauri-24C8A8?style=for-the-badge&logo=tauri&logoColor=white)

**Infrastructure**

![PostgreSQL](https://img.shields.io/badge/PostgreSQL-4169E1?style=for-the-badge&logo=postgresql&logoColor=white)
![Docker](https://img.shields.io/badge/Docker-2496ED?style=for-the-badge&logo=docker&logoColor=white)
![Linux](https://img.shields.io/badge/Linux-FCC624?style=for-the-badge&logo=linux&logoColor=black)

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### 🚀 Featured Projects

#### 🔧 Pipely

High-concurrency, low-bandwidth OTA update server built in **Go**. Designed to distribute updates to thousands of devices under a **10 Mbps** bandwidth ceiling.

- Delta updates via BSDiff for JAR files
- Token-based gated rollout with per-connection throttling
- HTTP Range support for resumable downloads
- React admin panel + JWT-secured API
- PostgreSQL-backed with full device lifecycle management

#### 🎮 Delta Force Guide

Comprehensive community guide for *Delta Force* (三角洲行动), covering tactics, weapon stats, map callouts, and meta analysis. Built and maintained for both newcomers and seasoned operators.

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### 🌐 Connect

[![X](https://img.shields.io/badge/X-@siujamo-1DA1F2?style=for-the-badge&logo=x&logoColor=white)](https://x.com/siujamo)
[![GitHub](https://img.shields.io/badge/GitHub-siujamo-181717?style=for-the-badge&logo=github&logoColor=white)](https://github.com/siujamo)
[![Gitea](https://img.shields.io/badge/Gitea-onixbyte-609926?style=for-the-badge&logo=gitea&logoColor=white)](https://onixbyte.dev/siujamo)

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