MingYi Lin


  • An enthusiastic developer and open source lover.
  • Experienced and passionate about solving the problem by using web applications.
  • Believing to be the change we want to see in the world.

Work Experience

Back End Engineer / HeadBox

Oct 2019 - present

Full-Stack Developer / SyncACE Inc.

Feb 2018 - Jun 2019

  • Responsible for designing and developing the main service and the CRM system.
  • Increased conversion rate 30% more by improving user landing flow.
  • Implemented auto-marketing tool with the CRM system to reduced 70% of time cost.
  • Used BDD and TDD approaches to specify and test all application.
  • Established backend API for partner banks in Ruby on Rails.

Rails Developer / KUMA Inc

Oct 2015 - Sep 2017

  • Built the KumaWash from zero to one in Ruby on Rails.
  • Designed and implemented the API for mobile applications.
  • Planned and completed React / Redux as tech stack for front-end.
  • Improved cross-functional teamwork efficiency by establishing user story templates.
  • Mentored junior developers in architecture refactoring.
  • Established brand style guide and CSS framework with the designer.

Software Engineer / NTOU GIS Center

Oct 2013 - Mar 2015

  • Developed heavy rain warning system in Rails, helping reduce natural disaster in Taiwan.



  • My web development course uses Ruby on Rails 1st, 2nd

Coach of Workshop Rails Girls Taipei 6th, Rails Girls Yilan 1st.

  • Helped beginner to build their first cool web with love and passion.

Member of Rails Rookie Study Group in Taipei

  • Continue learning together since Apr. 2015


Bachelor’s degree of Computer Science / National Taiwan Ocean University

Sep. 2008 - Jun 2012, Keelung Taiwan


ALPHA Camp Hackathon / 2nd Place.

Feb 2015

Built a product called 菜色, a web app which recommend users what to cook by asking users which color of food they want to have tonight.


  • Programming: Ruby / Javascript / CSS / SCSS / HTML
  • Framework: Ruby on Rails / Rspec / React / Redux
  • Knowledge: Git / Web / Localization / Testing / Drawing
  • Language: Chinese - Native / English - Intermediate