Software engineer with 6+ years of E-Commerce experience, I love to design and develop great softwares, desire to change the world and benefit the earth, society or company, I like to keep learning, embrace challenges and show my passion and attitude.
Senior Software Engineer
Yahoo
Since September 2011
- LightYear PHP Framework (PHP, ESI, RMP)
Sep 2011 - Sep 2013
As an E-Commerce platform engineer, I designed and developed the LightYear that is a presentation and business logic framework contains distributed modular design and highly reusable components, and supports many necessary features: validation, routing, parallel, retry, lock, session cache, error handling and so on, to make product development more faster, meanwhile, all modern Yahoo E-Commerce PHP projects, such as Yahoo TW Auction, MarketPlace, Shopping and Service Plus, are constructed by LightYear. - Auction Merchant Suite (PHP, LightYear, ActiveMQ, ZooKeeper)
Oct 2013 - Dec 2014
I designed and developed the Merchant Suite that is a big revamp for seller's functionalities in Yahoo TW Auction (C2C), involving item submission and advertisement purchase, especially, publish procedure is one of the most complex component in E-Commerce system.
Project URL: https://tw.bid.yahoo.com - MarketPlace Maintenance (PHP, Node.JS, C/C++)
Jan 2015 - Jun 2017
I dedicated to maintain the Yahoo TW MarketPlace (B2B2C) to ensure production stability and high availability, some key results are as following:
- improved performance of the APIs and web pages by performance tuning (XHProf).
- tackled complex and difficult problems to eliminate unstable mobile checkout flow issue (Node.JS/Mojito).
- proposed some innovations to consolidate error logging to improve debug efficiency and monitor capability (Splunk).
- shopping cart revamp for pc, mobile web and app to re-launch more better service and reduce maintain cost (PHP/Node.JS/React/Redux/RWD).
- yahoo partner authorization and authentication tools and open API (PHP).
- CD pipelines (Screwdriver/Jenkins) and test automations (Cucumber/Protractor).
- migrated all Node.JS applications into the PaaS cloud services (Manhattan/Athenz/UE).
Project URL:
PC - https://tw.mall.yahoo.com
Mobile - https://m.tw.mall.yahoo.com
- improved performance of the APIs and web pages by performance tuning (XHProf).
- ABU Product MVP (Leaders' Choice) - Honor and Award
Oct 2015
Achievements: great contribution in problem solving and improve performance: 1. he figured out the root cause on mobile's checkout flow issues, and he reduces the mobile checkout flow error rate from 30% to 0.003%. 2. he proactively provide a logging library to improve the debug process. Team members can reuse this code to trace the user behavior easily. - ABU Product MVP 2016.Q4 - Honor and Award
Oct 2016
Achievements: the Manhattan v2 is a Yahoo PaaS cloud services so that we can develop and deploy Node.JS and Java Servlets apps onto them, and I have comprehensive understandings of them and to share knowledge, experience and best practice with the other members during migration. - Trophy API (JAVA, ,Parsec, RDL, MyBatis, MySQL, Sherpa, Pigeon, ZooKeeper, Spock)
Jul 2017 - Present
I developed the Trophy API which complies with the RESTful conventions and CCS (container-core-services) software architectural pattern applied to gamify the review and rating systems of the MarketPlace for raising user engagements, this system can evaluate the achievements of a user, such as upgraded experience level, completed challenge tasks or rewarded challenge badges while completing the specific actions, e.g. product review/rating/comment based on predefined various challenges.
- Chinese (native)
- English
- Object-Oriented Programming
- Functional Programming
- MVC Frameworks
- Design Patterns
- TDD/BDD
- CI/CD
- Agile/Scrum
-
PHP
Expert
-
Node.JS
Advanced
-
Java
Good
-
C/C++
Good
- Linux
- Apache
- Databases (MySQL/Oracle)
- SQL
- Git
- Shell Script / Perl
- HTML/CSS
- Javascript
Master's degree, Digital Content Technology and Management
National Changhua University of Education
2007
to 2010
