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Definition of Reputation Credits
William Lei
Full Stack Developer
• Senior engineer with full-stack experience specializing in front-end, React and React Native enthusiast who truly loves Typescript.
• Experienced working in big corporations, small startups and as a solo developer—planning architecture, setting up the CI/CD, coding applications, and deploying them to a server or an app store.
• Communicated with other teams and senior management to adapt 50+ clients’ websites to adapt to changing industry standards.
• Built a large scale front-end code base by using React hooks to build complex components such as a virtualized list, combined strict types, functional-style code and Jest unit tests.
Gloversville, NY, USA
Work Experience
Full-stack Developer
Novateus
March 2021 - November 2022
United States
•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%.
•Handled nearly 5+ production tickets per day, 100+ tickets per month with respect to live customer trouble ticket resolution.
•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.
Senior Front-end Engineer
ScuTech
June 2019 - February 2021
United States
•Worked closely with the product team to build intelligent search functionality in React for an ecommerce site with a catalogue 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.
•Built extensive test coverage for all new features which reduced the number of customer complaints by 7%.
Front-end Developer
BR Softech PVT. LTD.
September 2017 - May 2019
Hong Kong
•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.
Front-end Developer Intern
Clarity
August 2016 - August 2017
Hong Kong
•Translated the design team’s UX wireframes and mockups into responsive, interactive features using HTML, CSS, and JavaScript that increased user engagement on 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.
•Researched, established, documented, and maintained company coding best practices, development organization, and workflow standards.
•Collaborated with the agile team to migrate a 30+ page legacy company website to React and Sass.
Skills
React Redux VueJS Django ExpressJS Next.js Nuxt.js Mongoose/MongoDB PostgreSQL GitHub CI/CD React Native HTML5 Tailwind CSS Material UI AngularJS PHP
Education
2012 - 2016
The University of Hong Kong
Computer Science
William Lei
Full Stack Developer
• Senior engineer with full-stack experience specializing in front-end, React and React Native enthusiast who truly loves Typescript.
• Experienced working in big corporations, small startups and as a solo developer—planning architecture, setting up the CI/CD, coding applications, and deploying them to a server or an app store.
• Communicated with other teams and senior management to adapt 50+ clients’ websites to adapt to changing industry standards.
• Built a large scale front-end code base by using React hooks to build complex components such as a virtualized list, combined strict types, functional-style code and Jest unit tests.
Gloversville, NY, USA
Work Experience
Full-stack Developer
Novateus
March 2021 - November 2022
United States
•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%.
•Handled nearly 5+ production tickets per day, 100+ tickets per month with respect to live customer trouble ticket resolution.
•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.
Senior Front-end Engineer
ScuTech
June 2019 - February 2021
United States
•Worked closely with the product team to build intelligent search functionality in React for an ecommerce site with a catalogue 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.
•Built extensive test coverage for all new features which reduced the number of customer complaints by 7%.
Front-end Developer
BR Softech PVT. LTD.
September 2017 - May 2019
Hong Kong
•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.
Front-end Developer Intern
Clarity
August 2016 - August 2017
Hong Kong
•Translated the design team’s UX wireframes and mockups into responsive, interactive features using HTML, CSS, and JavaScript that increased user engagement on 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.
•Researched, established, documented, and maintained company coding best practices, development organization, and workflow standards.
•Collaborated with the agile team to migrate a 30+ page legacy company website to React and Sass.
Skills
React Redux VueJS Django ExpressJS Next.js Nuxt.js Mongoose/MongoDB PostgreSQL GitHub CI/CD React Native HTML5 Tailwind CSS Material UI AngularJS PHP
Education
2012 - 2016