Software Engineer Frontend

Build and design the frontend system of an application/feature Ensure the technical feasibility of the UI / UX design Guarantee all user input is validated and sent to the backend Overcome various bugs and errors that occur in the application from the frontend side Implement appropriate frontend development principles (best practices) and ensure that the frontend can run well on multiple devices Perform maintenance or upgrade of existing frontend applications Support development cycle (concept, design, test, release, operational) Work with a team to be able to continue to innovate in terms of improving the quality and performance of the application system Collaborate with Infra Team and Technical Team specializing in DevOps, Backend, QA, System Analyst/Product Manager, and UI/UX Designer Contribute to assisting the creation of technical documentation or manuals Minimum S1 qualification, preferably from Computer Science or equivalent Mastering solid concepts and fundamentals related to JavaScript from ES5 to the latest Understand the concepts of DOM, VirtualDOM, HoC, Promise, Async / Await, Event Delegation, and Event Bubbling Mastering the concept of UI / UX Design Pattern and Responsive Design on Web platforms Familiar with using Code Repository Management such as Git / Gitlab Understand the use of HTML tags according to best practices Have the ability to develop nicely in the scripting language JavaScript or TypeScript Have the ability to style using CSS / Less / Sass / Stylus well Have the ability to develop using Bootstrap / Tailwind/Vuetify / MUI / Framework7 / Ant Design Have the ability to develop well using ReactJS, NextJS / Gatsby, and other ReactJS-based libraries / frameworks Have the ability to develop well using VueJS, NuxtJS / Gridsome, and other VueJS-based libraries / frameworks Good understanding of concepts, basics, and how to use one or several types of Web Services / APIs, especially ReST Mastering concepts, basics, and how to use GraphQL / gRPC/Socket.IO is a plus Understand or have done development in the NodeJS environment; for example, using ExpressJS is a plus Understand, understanding, or having done testing related to frontend applications (Jest / Mocha / Cypress) is a plus Understanding, or having used Storybooks is a plus Understanding or having used Lerna / Nx is a plus Understand or having used / configured bundler (Webpack / Parcel / Vite / Browserify / Rollup) directly is a plus Understand or having used PM2 / Nodemon / Gulp / Grunt is a plus Having done frontend development for Webview platform for transaction / data upload is a plus Having done development using Container (Docker) is a plus Have integrity, commendable behavior, work discipline, and able to work under pressure both individually and in a team and can complete work according to target