Hire the Best Front-End Developers
in Taiwan

👋 Hi, I’m Kai. Thank you for visiting my profile! I am a full-stack developer with 8+ years of experience. My primary focus is developing and maintaining B2B and B2C web and mobile applications, as well as internal enterprise systems, for both large corporations and startups. I have been working as a software engineer in software companies, and in 2024 I transitioned into freelancing. 💻 Technical Skills Frontend ✅ React.js / Next.js ✅ HTML, CSS, JavaScript ✅ TypeScript, Flow ✅ Tailwind CSS, Sass (SCSS syntax) ✅ UI Libraries: shadcn/ui, Ant Design, etc. ✅ State Management: Redux, Zustand ✅ API Integration: Axios, React Query, GraphQL ✅ Responsive Web Design ✅ Storybook (Component-Driven Development) ✅ React Native / Expo Backend ✅ Node.js / NestJS / Express / Prisma / TypeORM ✅ Go / Gin / sqlc ✅ Python / Flask / FastAPI ✅ RESTful API Design ✅ Authentication & Authorization (JWT, OAuth2, etc.) ✅ Relational Databases: SQL Server (MSSQL), PostgreSQL ✅ NoSQL Databases: MongoDB DevOps & Infrastructure ✅ Microsoft Azure Services: App Service, Application Insights, etc. ✅ Azure DevOps CI/CD, Artifacts ✅ Docker / Containerization ✅ Git (Version Control) Testing & Quality ✅ Unit & Integration Testing (Jest) ✅ Clean Code / Code Quality Best Practices Project Management ✅ Agile / Scrum 😊 I’m always open to communication, so please feel free to reach out with any questions. I look forward to understanding your needs clearly and supporting you in achieving your goals. Thank you for taking the time to review my profile — I truly hope we’ll have the chance to work together! ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠️ My Side Projects I’ve uploaded various small personal projects to my GitHub that are independent of my professional work — including mini games I built in the past, practice projects, and small utilities I created for personal use. Here are a few selected projects that are more complete and suitable for showcasing. Please feel free to take a look. Any feedback or suggestions are always welcome. Thank you! 1️⃣ Shopping Cart API 🛒 - Tech Stack: Node.js / NestJS / Docker / PostgreSQL - GitHub Repository: github.com/feng619/shopping-cart-nestjs Developed a backend API for an e-commerce shopping cart system using NestJS. The project includes containerized deployment with Docker and data persistence via PostgreSQL, demonstrating modular architecture and RESTful API design principles. 2️⃣ Fashion Store Homepage Layout 🛍️ - Tech Stack: Next.js / Tailwind CSS / TypeScript / Responsive Web Design (RWD) - GitHub Repository: github.com/feng619/fashion-store - Live Demo: fashion-store-ten.vercel.app Designed and implemented a responsive e-commerce homepage using Next.js and Tailwind CSS. Focused on clean UI composition, TypeScript type safety, and optimized performance across devices. 3️⃣ Snake Game 🎮 - Tech Stack: Vue 3 / Vuex - GitHub Repository: github.com/feng619/snake - Live Demo: feng619.github.io/snake Built a classic Snake game using Vue 3 and Vuex for state management. Implemented smooth animations and game logic while maintaining a lightweight and responsive frontend experience.

Hi, I'm Leanne 👩‍💻AI Automation Developer | Full-Stack Web & Senior UX/UI Designer👩‍💻 I am a highly experienced Full-Stack Web Developer and a seasoned Graphic and User Experience (UX) Designer, bringing over a decade of expertise in both system development and high-end visual design. I manage the entire project lifecycle, specializing in translating complex business needs into efficient and high-performing digital solutions. My primary focus is dedicated to engineering advanced AI Agents and AI Automation Systems—including content generation—to optimize workflows, reduce overhead, and facilitate intelligent decision-making for businesses. Expertise & Experience 🛠️ Development & System Implementation Core AI Focus: Designing and deploying AI Agents, AI Automation Systems, and specialized AI automated content generation systems for self-media platforms. Project Highlights: -Developed various AI programs and models. -Created a mobile delivery system for a logistics company. -Constructed web game portals . -Built a programming language learning website and a recipe/ingredient search application. -Served as an outsourced engineer for a major telecommunications company, specializing in store system development and maintenance. 🎯 Key Development Skills: My primary focus is on AI Agent and AI Automation System development, underpinned by strong expertise in full-stack solutions including e-commerce websites, logistics systems, mobile POS, and payment applications. 🎨 Design & User Experience (UX/UI) Design Expertise: Over ten years as a Senior Graphic Designer in Macau (serving major hotel groups). UX/UI Capability: Proficient in designing and guiding web visual identity and UX design, ensuring custom solutions align perfectly with brand image. Let's Connect Whether you require a powerful AI Automation System to streamline complex operations, a specialized AI Agent for content generation, or a comprehensive e-commerce solution that pairs a robust backend with refined frontend and custom UX/UI design, I offer the unique blend of technical and creative skills you need. I am available for freelance projects and look forward to discussing how my expertise in AI and full-stack development can achieve your business goals.

I specialize in creating interaction-based software, with a particular emphasis on developing websites and Unity-based projects. My expertise lies in crafting responsive web solutions and immersive user experiences. Feel free to reach out to me to explore potential collaborations.

I'm an American designer/developer hybrid living in Taiwan. I have six years of experience with web design and front end web development. I excel at combining tasteful design with functionality, always ensuring that my projects are responsive and cross-browser compatible.