David Liu available

David Liu

Remote Full Stack Developer, Web Developer, Stack Developer

Profileimage by David Liu Remote Full Stack Developer, Web Developer, Stack Developer from Toronto
  • M5B 2A2 Toronto Freelancer in
  • Graduation: Bachelor's degree, Master's degree in University of Toronto
  • Hourly-/Daily rates:
  • Languages: English (Full Professional)
  • Last update: 12.02.2020
Profileimage by David Liu Remote Full Stack Developer, Web Developer, Stack Developer from Toronto

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React, Tinder, data ingestion, Webpack, Rails, UI/UX, Redux, Node, js, Express, Laravel, PHP, Javascript, TypeScript, HTML, CSS, SASS, Database, MySQL, PostgreSQL, MongoDB, DevOps - Docker, AWS, Azure
  • 12/2017 - 12/2019

    • RefundLab
  • Remote Full Stack Developer
  • - Created the Guts & Glory website using Polymer, HTML, CSS, Sass, and the GreenSock animation library.
    - Developed a website with React for high profile clients like Yahoo, Tinder, and Vail Resorts.
    - Created a QA workflow for current and future developers.
    - Helped mentor junior developers.
    Technologies: JavaScript, React.js, Polymer, HTML, CSS, Sass

  • 03/2016 - 11/2017

    • NearSoft
  • Remote Full Stack Developer
  • - Developed market intelligence software using Java and Python natural language processing technology that allowed investment information to be extracted from Chinese news sources.
    - Managed and developed a data ingestion system for funding and company valuation data—including monitoring, reporting, and load-balancing systems.
    - Designed, developed, and maintained client-facing React web applications to manage and display data on the Insights platform.
    - Built microservices based on Node.js, Swagger.io, Thrift, and Docker to improve system reliability and internal API consistency.
    - Built and created custom email-tracking software to improve targeted email marketing and outreach.
    - Developed and maintained Go REST APIs to power the main data visualization and management platform.

  • 03/2014 - 02/2016

    • Hojicha.Co
  • Senior Web Developer
  • - Built RESTful APIs using Flask and SQLAlchemy.
    - Wrote utility scripts in Python.
    - Integrated Webpack and React.js into Rails framework.
    - Collaborated with UI/UX team.
    - Ensured the technical feasibility of UI/UX designs.
    - Integrated and customized Material UI into AngularJS project.
    - Took part in making decisions on technologies to use.
    - Contributed to 3 Django applications.
    - Contributed to 3 Rails applications.
    - Reviewed the pull requests submitted from other developers.
    - Assured that code quality is above par using code linting tools.

  • 02/2012 - 02/2014

    • SurgeBoom
  • Full Stack Developer
  • - Found new clients and worked with them from requirements, planning, and production to maintenance.
    - Trained intern and junior programmers on Drupal and Laravel.
    - Managed an in-house team and outsourced design freelancers.

"David is a professional Web Architect, Technology Enthusiast and Problem Solver"

I am a professional full-stack developer (7 years) with skills - no limit. 
I love taking complex business challenges and designing full-stack solutions using your technologies of choice!

I'd love working in WordPress|WooCommerce, Shopify and I have deployed over 30 Ecommerce sites.
I have also experienced in Laravel+VueJS, Vue+Node development.

I have worked with startups from different industries including Healthcare, Blockchain, Real Estate, FinTech, Music, Online Order Processing, etc.

I am skilled in the following technologies / frameworks:

* PHP(Laravel, CodeIgniter, Symfony2, Yii2)
* Javascript(Vue, Node.js, jQuery, React.js)
* Python(Django)
* Databases(MySQL, PostgreSQL, MongoDB)
* Bootstrap, HTML5, CSS3, SASS, LESS
* AWS Lambda, AppSync, GraphQL, S3, EC2
* REST API Development and Documentation with Swagger
* Version control with Git (Github and Bitbucket)
* Issue tracking (Jira, Trello, Asana)
* CI/CD with Bitbucket
* Unit & Integration Testing with PHPUnit, Laravel Dusk, Mocha, Chai

If you are looking for a full-stack developer who is eager to learn and become an integral member of your team, let's set up a brief chat to discuss!