Jason Li

Senior Software Engineer

Berlin, Germany13 yrs 7 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Proficient in React and Typescript for frontend development.
  • Led migration from Backbone to React Redux.
  • Optimized webpage speed, improving load times significantly.
Stackforce AI infers this person is a Frontend Engineer specializing in E-commerce and Marketing solutions.

Contact

Skills

Core Skills

ReactJavascript

Other Skills

CSSReact.jsReduxTypescriptJestfunctional programmingWebpackGulpOOPSCSSjQueryBackboneDockerScrumSymfony

About

A self-motivated IT professional with proved experience and proficiency in Typescript, React, Redux and page speed optimization, as well as strong skills and ability in writing clean and efficient code. I am seeking challenges to pursue my career as a frontend lead developer.

Experience

13 yrs 7 mos
Total Experience
1 yr 6 mos
Average Tenure
4 yrs 9 mos
Current Experience

Adevinta

Senior Software Engineer

Jul 2021Present · 4 yrs 9 mos · Berlin, Germany · Remote

CSSJavaScriptReact.jsReact

Ebay

Senior Software Engineer

Dec 2018Jul 2021 · 2 yrs 7 mos · Berlin

CSSJavaScriptReact.jsReact

Foodora

2 roles

Senior Software Engineer

Jul 2018Nov 2018 · 4 mos · Berlin

CSSJavaScriptReact.jsReact

Software Engineer

Jun 2017Jul 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/)
ReactReduxTypescriptJestfunctional programmingWebpack+12

Foodpanda

Senior Software Engineer

Dec 2016May 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/)
ReactWebpackES6GulpSCSSjQuery+6

Casetify

Developer

Feb 2016Nov 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/)
BackboneJavascriptjQueryPHPLaravelMySQL

Firstune solution limited

Seniro Analyst Programmer

Feb 2014Dec 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
JavascriptjQueryGruntSCSSC#SQL Server 2008+2

My100fun

Co-founder

Sep 2013Feb 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
Objective-CJavascriptjQuerySCSSGrunt

9gag

Software Engineer

May 2013Sep 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
JavascriptjQuerySCSSPHPCassandra

Firstune solution limited

Part-time Web Developer

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

Education

Hong Kong Institute of Vocational Education (Tsing Yi)

Higher Diploma

Jan 2008Jan 2010

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