Chi Hsu

byte x byte ltc

• React Native APP UI 程式撰寫
• 登入系統、聊天室系統、評分系統功能撰寫
• 串接後端獲取資料
• 功能測試及維護

React Native · JavaScript · HTML · CSS · Git · Node.js

科熱臺灣有限公司

• 參與敏捷式開發流程，負責需求討論、任務拆解與迭代交付
• 主導新專案開發，依照設計稿與功能需求完成前端實作
• 與後端工程師、設計師與測試人員密切合作

React Native · React · JavaScript · Git

事可得國際有限公司

• 參與敏捷式開發流程，負責需求討論、任務拆解與迭代交付
• 主導新專案開發，依照設計稿與功能需求完成前端實作
• 與後端工程師、設計師與測試人員密切合作

React · JavaScript · Git

寰宇家庭股份有限公司

• 參與敏捷式開發流程，負責需求討論、任務拆解與迭代交付
• 維護與優化既有專案，進行新功能開發與 Code Review
• 主導新專案開發，依照設計稿與功能需求完成前端實作
• 負責 App 上架流程及 Web 應用發布與部署
• 撰寫專案相關技術文件與程式文件

React · React Native · JavaScript · Git · ASP.NET

Built a complete AI visual surveillance and object detection system integrating real-time video streaming, event management, model training, and annotation tools.

• Built enterprise admin dashboard with React 18.2 + Material-UI
• Implemented MQTT over WebSocket real-time streaming (<500ms latency)
• Integrated CVAT API for annotation task management and Job ID sync
• Orchestrated 4 service containers with Docker Compose

React · FastAPI · MQTT · WebSocket · Docker · YOLOv8 · CVAT

iOS & Android app maintenance and development using React Native.

• Maintained, optimized, and developed new features
• Third-party package management and customization
• GraphQL integration and API connectivity
• Technical documentation writing

• App Store
• Google Play

React Native · Redux · Hooks · GraphQL · Jira

Built a 60-page business management mobile app using React Native as sole developer.

• Independently developed 60 app pages covering core business modules
• Built bonus tracking, performance analytics, and scheduling systems
• Implemented customer management and survey features
• Applied Redux and Hooks for state management

Expo · React Native · Apollo Client · GraphQL codegen · Notifee · Firebase Analytics

Developed the complete interactive sing-along module for a children's education App. The module includes song selection interface, sing-along interaction, recording features, auto-scoring system, and animation effects. Handled iOS / Android cross-platform audio recording and playback differences to ensure smooth and stable children's user experience.

• Independently designed and developed the complete module
• Complex integration of audio playback + recording + real-time scoring
• Cross-platform audio engine differences handling (iOS CoreAudio vs Android MediaPlayer)
• Child-friendly animated interactive interface

React Native · react-native-track-player · expo-av · Animation API

Independently developed from scratch to App Store release — an event attendance and check-in management App. Supports QR Code scanning check-in, offline data storage and sync, duplicate check-in detection, and other core features. Handles unstable network scenarios to ensure the system works normally in offline environments and auto-syncs data when connection is restored.

• Independently completed full development cycle from scratch to App Store release
• QR Code real-time scan check-in, supports high-volume scenarios
• Offline mode design: check-in works without internet, auto-syncs when reconnected
• Duplicate check-in prevention and time logic validation

React Native · Expo · EAS Build

Command an AI development team through Telegram to automate the entire software development workflow. Integrates Claude Code CLI with multi-role Agent collaboration (PM, Frontend, Backend, Testing, Debugging, etc.). Supports auto-analysis of requirements, task planning, parallel execution, auto-debugging, and deployment.

• Multi-role AI Agent architecture (Coordinator + 8 specialized roles)
• Auto requirement analysis → task planning → parallel execution → auto-debugging
• Playwright headless browser automated UI testing
• Rate limit detection and auto-retry mechanism
• Claude CLI session auto-login (VPS deployment)
• Real-time Telegram notifications, cost tracking, and log viewing

Python · Telegram Bot API · Claude Code CLI · Playwright

Independently developed from scratch to release — a React Native cross-platform application. Managed the complete development lifecycle from architecture design to feature implementation to App Store / Google Play release. Used Apollo Client with GraphQL API, implemented three-stage OTA update mechanism via AppCenter CodePush (Staging → Pre-Production → Production) for seamless version updates.

• Independently completed full development cycle from scratch to release
• Cross-platform (iOS / Android) simultaneous release
• Implemented CodePush OTA updates for faster version iteration
• GraphQL API integration and data fetching management

React Native · TypeScript · Apollo Client · GraphQL · AppCenter CodePush

Cross-platform project using Expo (React Native) supporting both Web and Mobile versions.

• Implemented UI/UX from Figma design specs with pixel-perfect accuracy
• Collaborated with backend engineers on API integration and data rendering
• Independently completed major feature module development and deployment

Expo · React Native · Figma · Git

Retro-style mini game collection PWA. Includes Stair Descent, Doodle Jump, Stair Climb, Minesweeper, and Tetris (8 modes) — 5 games total. Supports bilingual Chinese/English, touch and keyboard controls.

• mini-games-arcade.netlify.app/
• Pure frontend Vanilla JS implementation, zero framework dependencies
• PWA offline play and mobile installation support
• 5 classic games, Tetris includes 8 game modes
• Bilingual Chinese/English toggle, sound effects system

HTML · CSS · JavaScript · Canvas · PWA

Taiwan stock technical indicator monitoring PWA. Integrates broker real-time quotes and K-line charts, supports MA/MACD/KD and multiple technical indicator analysis. Built-in wave trading strategy engine with auto-detection of buy/sell signals classified as A/B/C. Multi-channel real-time push via Web, Email, LINE, and Telegram. No login required with UUID + sync code for seamless cross-device sync.

• Real-time technical indicator monitoring: MA / MACD / KD auto-calculation and visualized K-line charts
• Composite signal scoring engine: auto-detect wave buy/sell points classified as A/B/C
• Multi-channel push notifications: Web Push, Email, LINE, Telegram real-time alerts
• Broker API integration: real-time quotes and account portfolio queries
• Market scanner: auto-scan trending sectors and leading stocks
• No-login architecture: UUID + sync code for seamless cross-device sync
• PWA offline support: installable on mobile home screen, Service Worker enabled
• Scheduled automation: every 5 minutes during trading hours, auto-check all monitoring rules

React 19 · TypeScript · Tailwind CSS v4 · Vite · FastAPI · PostgreSQL · Zustand · TanStack Query · Shioaji API · APScheduler · Web Push · LINE Messaging API

AI-powered smart job matching SaaS platform. Users upload resumes as PDF, and AI automatically parses and optimizes them. The system crawls jobs from 104, CakeResume, RemoteOK and 6 other platforms, uses GPT-4o to analyze resume-job fit scores, and auto-generates customized cover letters. Privacy-first architecture stores resume data in browser IndexedDB. Supports Stripe subscriptions and Referral system.

• AI semantic matching: GPT-4o deep comparison of resumes and jobs, generating fit scores and analysis
• Multi-platform job crawler: supports 104, CakeResume, RemoteOK and 6 other platforms
• PDF smart parsing: upload resume PDF, auto-extract skills, experience, and project fields
• Privacy-first architecture: resume data stored in browser IndexedDB, no long-term server storage
• AI cover letter generation: auto-generates customized cover letters based on matching results
• SaaS subscription: Stripe integration with Free/Pro tiered plans
• Scheduled automation: Pro users can set daily auto-crawl + matching + Email notifications
• Three-layer backend architecture: Router → Service → Repository clean separation

React · TypeScript · Tailwind CSS · Vite · FastAPI · PostgreSQL · OpenAI API · Gemini API · Stripe · JWT · OAuth · IndexedDB · APScheduler