Dec 2018 – Jul 2021 · 2 yrs 7 mos · Berlin

Jul 2018 – Nov 2018 · 4 mos · Berlin

Jun 2017 – Jul 2018 · 1 yr 1 mo · Berlin

• Responsibilities
• Part of frontend chapter focus on delivering the best user experience to our customer
• Frontend development
• Write tests (snapshot tests, unit tests and CI improvements)
• Review new and existing code
• Coach new team members
• Deploy and monitor the live web platform
• Maintain frontend Docker image
• Give team presentations to spread knowledge
• Contribution
• Move from Backbone, jQuery to React Redux
• Move from Javascript to Typescript. Utilize Typescript 2.8 features create reusable types for React and Redux codes.
• Optimized webpage speed with code splitting and criterial path analysis. Page loading time decreased by 15%
• Technology
• React, Redux, Typescript, Jest, functional programming, Webpack, Gulp, OOP, SCSS, jQuery, Backbone, Docker, Scrum, Symfony, TrackJS, New Relic, Travis
• Project
• Food delivery marketplace for corporate and regular customers across 22 countries (https://www.foodora.com/)

Dec 2016 – May 2017 · 5 mos · Hong Kong

• Responsibilities
• Focus on frontend development, but also include some backend tasks
• Reviewed new and existing code
• Wrote tests (unit test and integration test)
• Refactored old code base to make it more maintainable
• Contribution
• Moved from Gulp, jQuery to React and Webpack
• Introduced ESLint to standardize JS code style
• Technology
• React, Webpack, ES6, Gulp, SCSS, jQuery, Docker, Scrum, Symfony, New Relic, Travis
• Project
• Food delivery marketplace for corporates (https://corporate.foodpanda.hk/)

Feb 2016 – Nov 2016 · 9 mos · Hong Kong

• Responsibilities
• Worked closely with design team and product team to deliver fashionable site
• Updated and maintained online phone case editor
• Full stack web developer responsible for end-to-end web app development with LAMP stack
• Contribution
• Improved the speed of first meaningful paint by 50% in slow network
• Suggested and implemented product bundle which increased average cart value by 5%
• Technology
• Backbone, Javascript, jQuery, PHP, Laravel , MySQL
• Project
• Online customizable phone case store (https://www.casetify.com/)

Feb 2014 – Dec 2015 · 1 yr 10 mos · Hong Kong

• Responsibilities
• Leaded an engineering team of 4 for developing various type of projects
• Backend / frontend development
• Interviewed with potential candidates
• Designed and implemented new WeChat marketing platform with .NET stack
• Delivered various types of projects with tight deadline and maintained high standard of work
• Technology
• Javascript, jQuery, Grunt, SCSS, C#, SQL Server 2008, PHP, MySQL
• Projects
• WeChat Marketing Platform (company own product)
• WeChat marketing tool which help marketers monitoring and maintaining WeChat business account
• Integrated closely with WeChat API
• Architected WYSIWYG web builder with self-build Javascript framework
• TUMI - explore the world
• Digital branding campaign run on WeChat, which encourage users following client WeChat account
• Presented 10 mini stories with CSS3 animation to deliver the brand messages to users
• Highly optimize CSS animations which are able to run on low-end mobile devices
• Provided comprehensive support to the client marketing team; achieve resolution to outstanding problems or issues

Sep 2013 – Feb 2014 · 5 mos · Hong Kong

• Company (http://my100fun.com/)
• My100fun is a children-beloved publisher determined to produce entertaining apps, exam preparation and language learning tools, allowing children to be self-motivated learner.
• Responsibilities
• Managed full product life cycle, including planning, design, development and marketing
• Company website development
• IOS applications development
• Technology
• Objective-C, Javascript, jQuery, SCSS, Grunt
• Projects
• English Mock Exam for Cambridge YLE (https://apple.co/2McgOkK)
• Exam preparation kit for children who wish to sit for Cambridge ESOL Young Learners English Tests
• Combined native app and web view to create broad range of question types in tight schedule
• Featured by Apple Store in 4 different countries

May 2013 – Sep 2013 · 4 mos · Hong Kong

• Technology
• Javascript, jQuery, SCSS, PHP, Cassandra
• Projects
• 9GAG Chrome extension (http://bit.do/enf6M)
• 9GAG official chrome extension with 20,000+ users
• Rewrote the extension with brand new UI
• 9GAG comment system (https://9gag.com/)
• Brand new project, which enable users to comment posts and reply comments
• Worked with senior developers to deliver a horizontal scalable solution
• Comment system has been used in both native mobile applications and web application

May 2009 – Jun 2010 · 1 yr 1 mo · Hong Kong