Yanjie Li

• Fullstack development with MySQL, TypeORM, Express.js, React.js and Material UI. • Developped internal tools and convert existed Excel VBA applications to web applications, to improve daily work routine at BMW Battery Cell Competence Center.

• Added new features to Chrome extension. • Added event tracking to the browser extension with Google Analytics and Google Measurement Protocol.

• Improved the performance of resource uploading by changing the upload logic from rendering-after-uploaded to rendering-while-uploading, reduced the waiting time by 50% on average, depending on the file size. • Optimized the user experience of resource loading by developing a reusable loading progress bar component. • Developed unit and end-to-end tests with Jest and Puppeteer.