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Bill Yang, JavaScript Developer in Vaughan, ON, Canada
Bill Yang

JavaScript Developer in Vaughan, ON, Canada

Member since March 18, 2016
Bill has over 10 years of extensive full-stack web development experience—working with JavaScript, Node, C#, ASP.NET and their various frameworks as well as with the SQL database. He is looking for projects that deal with algorithms and/or have a high impact and visibility. Bill communicates extremely well, has solid coding skills, thinks problems through, and solves them accurately and on time.
Bill is now available for hire

Portfolio

Experience

  • JavaScript, 10 years
  • Microsoft SQL Server, 8 years
  • C#, 8 years
  • Agile Software Development, 6 years
  • AngularJS, 2 years
  • Concurrent Programming, 2 years
  • Node.js, 1 year
Vaughan, ON, Canada

Availability

Part-time

Preferred Environment

Atom, JavaScript/Node, GitHub

The most amazing...

...thing I've done was to code a game-playing bot that ranked 57 out of 8000+ competitors.

Employment

  • Lead Developer

    2016 - 2016
    Clevertech
    • Created a message-processing system that can scale to millions of messages per day.
    • Migrated our message queue technology from Azure MQ to Amazon SQS.
    • Mentored other developers on the team.
    • Worked on a related front-end application based on React and Electron.
    Technologies: JavaScript/Node.js, Microservices, Message Queue
  • Senior Developer

    2013 - 2016
    Alberta Ministry of Education
    • Developed a curriculum development application using Angular, C#/.NET, and SQL Server.
    • Resolved various performance issues—primarily related to search and querying complex data.
    • Participated in the Agile transformation of the team and the department.
    Technologies: JavaScript/Angular, C#/.NET, SQL Server
  • Solution Consultant

    2010 - 2013
    DevFacto Technologies
    • Delivered consistently successful software projects, sometimes under pressure.
    • Provided technical advice to the clientc.
    • Advocated engineering best practices like Agile to client teams.
    Technologies: C#, SQL, Git, JavaScript (jQuery, Backbone, Angular), Azure
  • Software Developer

    2008 - 2010
    Upside Software
    • Developed new features and maintained the existing code base with a million lines of code.
    • Provided technical support to implementation teams.
    Technologies: C#, SQL, JavaScript
  • Programmer

    2007 - 2008
    Idea Market Design Inc.
    • Developed new websites in the Joomla! Framework.
    • Managed the Linux servers at the company and for some of our clients as well.
    • Worked on a data gathering/processing initiative.
    Technologies: PHP/Joomla, Linux, SQL
  • Programmer

    2005 - 2006
    Seneca College
    • Patched an open source network tool for a specific security problem that we faced.
    • Developed a project management website.
    • Managed server farms and wrote the corresponding documentation for them.
    Technologies: PHP, C, Linux, SQL

Experience

  • Curriculum Development Application (Development)

    I worked with a cross-functional team to develop an application digitizing curriculum development process. I was involved in all parts of the development process, and my main contributions included:
    - Improving performance of a very complex search functionality.
    - Creating a separate public-facing application to allow staged content publishing and a higher-performance consumer app.
    - Modifying a TinyMCE editor to support math symbols.

    Main technologies used: C#, AngularJS, SQL Server.

  • Shipping Middleware (Development)

    I led a team to develop a centralized back-end system for a shipping company. The system is made up of a collection of microservices written in Node.js and acts as a distribution center linking other applications and databases.

    My primary contributions include:
    - Scaling the system to handle millions of messages per day.
    - Migrating our message queue technology from Azure MQ to Amazon SQS.
    - Tune-logging to find the optimal point for debugging and performance.
    - Diagnosing some product issues under pressure.
    - Mentoring other developers on the team.
    - Managed client inquiries and requirement changes.

    Main technologies used: Node.js, Microservices, Azure Message Queue, AWS SQS.

  • Google AI Challenge | Ants (Other amazing things)
    https://github.com/analyst74/aichallenge-ants

    Developed a game bot to compete in an AI challenge sponsored by Google and ranked 57 out of 8,000+ participants.

    Main technologies used: Python, Numpy, Cython, Algorithms Design.

  • Soccer Field Search (Development)
    https://github.com/analyst74/rec-search

    A simple tool to search for soccer fields in Toronto using a dataset from the Toronto government's open data website.

    Main technologies used: Node.js, MongoDB.

  • Construction Document Management System (Development)

    Helped build a document management tool for PCL—a large construction firm to share documents between different branches and on-site workers.

    Main technologies used: C#, SharePoint.

  • Upside Contract (Development)

    I worked on a large enterprise contract management system with a wide variety of functionalities resolving around contract creation and management.

    Main technologies used: C#, SQL Server.

Skills

  • Languages

    C#, JavaScript
  • Libraries/APIs

    jQuery, Node.js
  • Paradigms

    Agile Software Development, Concurrent Programming
  • Frameworks

    AngularJS, .NET
  • Storage

    Microsoft SQL Server, Elasticsearch, NoSQL, MongoDB

Education

  • Diploma degree in Computer Programming and Analysis
    2003 - 2006
    Seneca College - Toronto, Canada
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