Steven Yang, Developer in San Francisco, CA, United States

Steven Yang

Software Developer

Location
San Francisco, CA, United States
Toptal Member Since
June 20, 2014

As a full-stack web developer, Steven does everything from tweaking UI interfaces in Sketch to designing scalable back-end architectures. He also tests and transforms ideas into quality products as an entrepreneur. He enjoys adapting to new technologies and studying fundamental ideas.

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Portfolio

Google, Inc.
Polymer, Java, JavaScript, Python
Hua.li
CSS3, HTML5, JavaScript, Sinatra, Ruby on Rails (RoR)
Ele.me
jQuery, JavaScript

Experience

Ruby on Rails (RoR) - 4 yearsRuby - 4 yearsJavaScript - 3 yearsLinux - 3 yearsPostgreSQL - 2 yearsSketch - 1 year

Location

San Francisco, CA, United States

Availability

Part-time

Preferred Environment

Linux

The most amazing...

...thing I've developed is a distributed and asynchronous order processing engine.

Work Experience

2015 - PRESENT

Software Engineer

Google, Inc.
  • Built the test infrastructure for all YouTube web applications.
  • Built tools (linter, code generator) to automate YouTube web workflow.
  • Built a distributed pipeline to build and compile Polymer components.
  • Served as core team member for a closure-template Python compiler.
Technologies: Polymer, Java, JavaScript, Python
2012 - 2014

Tech Co-Founder

Hua.li
  • Designed the back-end with a message queueing architecture to enable asynchronous order processing.
  • Settled the infrastructure and automated deployment with Capistrano plugins.
  • Established front-end integration tests with Selenium, Chrome Driver, and Capybara.
Technologies: CSS3, HTML5, JavaScript, Sinatra, Ruby on Rails (RoR)
2011 - 2012

Front-end Developer, UX Designer

Ele.me
  • Rebuilt the UI, leading to a 13% rise in conversion and a 12% drop in bouncing rate.
  • Optimized the bandwidth usage with an ETags caching strategy.
Technologies: jQuery, JavaScript

Experience

Huali eCommerce website

One of the largest eCommerce flower sites for which I was in charge of the design and development. The front-end is developed under a mobile-first strategy. The back-end is developed to be modular through an order processing priority system.

Biggest Food Ordering site

The biggest online ordering platform in China. I rebuilt the front-end UI from scratch to focus on user behavior flows.
One amazing thing I designed and built is the website background, which will adapt to the local time of the user in real-time.

Skills

Languages

Ruby, JavaScript, Python, HTML5, CSS3, Java, PHP, C, Clojure

Frameworks

Ruby on Rails (RoR), PureMVC, ZK, Sinatra

Tools

Vim Text Editor, Sketch, Emacs, Apache OFBiz, Sublime Text 2

Paradigms

Test-driven Development (TDD), Unit Testing, Agile Software Development, Class-based OOP, Prototype-based OOP, Functional Programming

Platforms

Linux

Other

Mega, Merb, Software Development

Libraries/APIs

React, Backbone.js, jQuery, Polymer, Redis Queue

Storage

Redis, PostgreSQL, MongoDB

Education

2006 - 2011

Bachelor's Degree in Economics

Zhejiang University - Hangzhou, China

2009 - 2010

International Program Degree in International Economics

Keio University - Tokyo, Japan