William Lei

•Re-coded application using React, which shortened page load times by up to 65%. •Migrated an application toward the cloud, reducing hosting costs for the client by 50%. •Designed the application architecture on TypeScript, React, and Redux and accelerated the development rates by 15%. •Contributed as part of a team that made a huge, enterprise app for our biggest client, which is being used worldwide by the client's employees.

•Worked closely with the product team to build intelligent search functionality in React for an ecommerce site with a catalog of 5000 products, leading to an increase in page views per session of 22%. •Improved the page load speed by 15% for an e-commerce site by leveraging browser caching and improving server response times. •Utilized the Node.js and GraphQL to create APIs for both internal and external use, reducing the time to ship new front-end features by 4% Fresh Direct.

•Developed product tours with React for a new feature, improving customer adoption by 25% leading to increased revenue by $1M. •Created a compatible, custom client dashboard, reducing support tickets by 45%. •Worked with UX/UI design teams to improve existing applications and increase conversion rates by 20%. •Supported the QA team to design test cases for various change requests and enhancement.

•Translated the design team’s UX wireframes and mockups into responsive, interactive features using HTML, CSS, and JavaScript that increased user engagement on the page by over 200%. •Provided strategic advisory on design and development processes, initiating revamped structures and systems to ensure a consistently high level of quality. •Collaborated with the agile team to migrate a 30+ page legacy company website to React and Sass.

1. Developed a mobile application for a local non-profit organization that helped them streamline their operations and reach a wider audience, resulting in an increase in donations and community support. 2. Conducted research and published a paper on a new algorithm for optimizing cloud storage, which received recognition from the academic community and led to new advancements in the field.