reducing development time by 25% and enhancing consistency in design 6. Implemented unit testing with Vitest and JSDom, achieving 80% code coverage, and End-to-End testing with Playwright 7. Integrated with third-party API (Grammarly, Sapling) vendors and proactively identified UI/UX issues reducing spelling errors by 80% Front-End Developer • United Digital Intelligence NovFebSlashed developers' maintenance time by 40% through product refactoring Software Engineer • Reforecast Technology DecCreated an interactive distribution map for over 20,000 solar power plants SKILLS React.js Vue.js TypeScript Tailwind CSS Ant Design Vite Rollup Nuxt.js
. Provided technical support and guidance to team members. DesemberJanuari 2021 Frontend Developer • PUSAT SISTEM INFORMASI (PSI) USU Partnered with design to create intuitive interfaces using React.js. Employed responsive design for multi-device usability. Integrated with APIs, conducted debugging, and wrote automated tests for interface stability. Actively engaged in code reviews and contributed to the development process. SeptemberDesember 2019 PendidikanUniversitas Sumatera Utara Teknologi Informasi Skil HTML CSS JavaScript ReactJS NextJS Python NodeJS Chakra UI TailwindCSS Bootstrap styled-components Docker Redux Git Jest + React Testing Library SQL Bahasa Indonesian — Bahasa Ibu English — Menengah
Mario Yi Software Engineer Experienced software engineer with a focus on frontend development. Passionate about the intersection of AI and education. Enthusiastic about startup environments. Possess strong problem-solving and business logic analysis skills. Known for effective communication and adept at collaborative teamwork. Tallinn, Estonia Work Experience Founding Frontend Engineer Mila AI JunePresent United Kingdom Collaborating within a compact team of AI engineers, language researchers, and UX/UI designers, spearheaded the development of an AI language learning assistant. - Developing the frontend using React.js, Tailwind CSS, Zustand, and Vite. - Utilizing Microsoft