Roy Lee

I've been working as a full stack developer, mainly worked with React, Node.js and Django. I've participated in architecting, developing and deploying several websites and web applications using modern technologies in web development.

I started my career as a frontend developer with React and I am much proficient in frontend development with several libraries and technologies, such as React, Vue.js and Angular, which are top 3 frameworks/libraries. The following are just highlights of my professional skills and achievements that I hope to bring to clients.

• Implement reusable components with React, Vue and Angular
• Proficient in state management libraries like Redux(Thunk, Saga, Toolkit), Vuex, Mobx and NgRx
• Use GraphQL(Apollo / Relay) for faster communication API
• Perform Software Best Practices and Software Testing Abilities with JavaScript testing frameworks such as Jest, Enzyme, Cypress and Selenium
• Build SEO friendly websites by implementing SSR with Next.js and Nuxt.js
• Optimize website performance and loading speed by Code Splitting and Lazy Loading
• Collaborate with design team to perform pixel-perfect, responsive pages and features using design libraries such as Material UI and Ant Design
• Build desktop applications and mobile applications with Electron and React Native
• Work with product team to maintain and implement customer-facing features

Working as a full stack developer over 7 years has given me rich understanding in backend development using several popular frameworks such as Express.js, Django, Laravel and Ruby on Rails, and extensive familarity with DBMS. Developing flexible, scalable web applications with Node.js was a great chance for me to use popular libraries for different use such as Prisma, TypeORM for ORM and SuperTest for testing. These are my abilities and professional skills in backend development, mainly focused on Node.js.

• Developed several full stack applications using Express.js, Koa.js, Django and Ruby on Rails
• Proficient in DBMS such as MySQL, PostgreSQL, MongoDB and DynamoDB
• Experienced in using ORM in Express.js with Prisma and TypeORM
• Focus on tests using SuperTest and Jest in Express.js
• Implement flexible, scalable real time application with Node.js using Socket
• Build microservices using Express.js
• Integrate GraphQL in Express.js, Django and Ruby on Rails
• Use Docker, Kubernetes, CircleCI for CI/CD and AWS for deployment