Responsibilities & achievements

• Used AWS services such as S3, SNS, SES, and Lambda. • Used Web3JS, Ether.js, Node/Rest AP Jest, Kendo UI, MUI. • Used front end UI skills (React, Redux, TypeScript, MUI, SCSS, CSS, HTML, JavaScript) to adapt the Figma designs created by the designers. • Worked in designing, developing and testing the web application by using the HTML5, CSS3, • SASS, LESS, Bootstrap, and React.js • Architect the front-end structure and back-end infrastructure. • Enhanced the React Observables with Redux, React-router and Redux-thunk • Built Rest APIs with Node.js and Express.js, C#, .NET. • Built out several features of their new market platform. I was tasked with developing several components in the application, adding features such as “Leader board”, "Team", styling with MUI, and more. • Achieved APIs calls from back end NodeJS using React Fetch • Worked in Agile Scrum environment. (sprint planning, daily scrum, sprint, sprint review and sprint • retrospective) • Worked closely with the backend and QA team in completing projects And Troubleshoot any issues relating to frontend development. • Mentored junior developers as a Senior developer. • Supported team members in their tasks. • Facilitating open discussion and conflict resolution. • Proactively identify and resolve issues.

Responsibilities & achievements

• Worked with AWS services such as AWS Amplify, Lambda, SNS, SES, S3, Twilio • Architect backend and database with AWS Amplify, and DynamoDB • Built Mobile application with React Native • Worked as a React developer in contract. • Expanded frontend technologies, especially React. • Used Figma for design tool. • Fixed security risks from components. • Integrated CI/CD pipeline using GitHub and AWS EC2, Docker • Integrated CDN, code splitting, memorization techs for the fast-loading speed. • JavaScript, React, React Native, ES6, JSON, Redux, Ant, AWS

Responsibilities & achievements

• Worked as a React developer in contract. • Handle Authentication, Permission module • Worked closely with clients of Facebook. • Expanded frontend technologies. (JavaScript, React, Vue, ES6, JSON, Redux) • Developed the front end using ES6 and React/Redux with a focus on component reusability. • Fix performance issue using memorization technologies. • Followed Agile and Scrum software development methodology.

Responsibilities & achievements

• Worked with a team of developers to integrate front-end code with back-end systems and APIs. • Mentored and trained junior developers on best practices and development techniques. • Stayed up to date with the latest front-end technologies and development methodologies. • Developed and maintained multiple web applications using Vanilla JavaScript, resulting in improved code quality, performance, and maintainability. • Built dynamic and responsive user interfaces by utilizing the DOM (Document Object Model) and working with event-driven programming. • Implemented advanced JavaScript features such as closures, prototypes, and asynchronous programming. • Used Vanilla JavaScript to build custom UI components, animations, and interactivity, leading to a better user experience. • Improved website performance by utilizing techniques such as lazy loading, code optimization, and caching. • Developed robust and scalable solutions for data management and manipulation, using JavaScript arrays, objects, and functional programming concepts. • Utilized version control systems such as Git to manage code and collaborate with teams, resulting in streamlined development processes. • Focused on building the best secure website. • First time to work as a frontend developer. Learn new technologies such as React.js, Vue.js. • Expanded frontend technologies.

Responsibilities & achievements

• Worked closely with business-side clients to deliver attractive, easy-to-understand screens that appropriate reflected the company's fulfillment workflow • Worked with various size Companies and individuals for helping build/modify. Used Redux, Redux thunk, Saga. • Built React projects from Scratch. Maintain and update React projects. • Migrate Vue, Angular application to React • Worked with task runners like Gulp in deploying and testing the application • Collaborate with UI designers and back-end engineers closely. • Worked as a Frontend Team Lead, full stack developer, Smart contract developer, Web3 developer, Frontend developer, and Mobile developer. • Use memorization tech efficiently for the performance solving such as memo, use Memo, use • Callback, lazy loading, React Query. • Fix performance issue for the MySQL database • Experienced working with micro front ends and micro services • Collaborate with remote oversea team members • Used Figma, PhotoShop, Adobe XD for design tool • Worked as a full-stack developer with Node.js, Express.js, SQL, MySQL, MongoDB. • Built a pixel-perfect and mobile-friendly SaaS web application with React.js /Redux, Vue, • Angular, JS/TS, AWS, HTML5, CSS3, Styled-Components, and Axios. • I also built a follow-up mobile application for iOS/Android with React Native CLI based on the website. • Developed Restful/GraphQL Apis with Node.js, Express.js, C#, .NET, Python, TypeScript, and various ORMs. Built Mobile applications with React Native. • Develop stock price analyze application using Vanilla JS, AgGrid, Node.js • Built Rest APIs with Node.js, Express.js, C#, .Net, Java, Spring, Laravel. • Fully customize Material UI • Using web scripting languages like NodeJS and Yarn for interaction between client side and server-side technologies. • Learned Server Side and Client-Side rendering with Next.js, and Gatsby.js • Enhanced user experience by designing new web features using MVC Framework like Node.js.