Design, develop and maintain the full cross-border payment financial system for WeChatPay and Alipay from scratch. Developed various unique solutions to overcome typical issues for cross-border payment system between merchants and customers, such as the language barrier, user experience and habits differences, business logic complexity of calculation with different currency and exchange rate, transaction fee structure and other related areas. Payment system involves:* Full AWS Architecture infrastructure design and deployment and completely application layer setup for PayPlus payment system.* System full DB structure design and implement.* Integrate payment engines with WeChatPay and Alipay core system.* Design and developed an application portal for merchants to manage all payments from different channels.* Various payment front-end solutions for customers to make payment efficiently, such as dynamic QR on screen, scan customer's payment code by a scanning gun, single one QR payment for multiple payment channels.* Detailed and accurate settlement reports engine for all involved parties.* Developed fully automatic reconciliation and notification system for all integrated payment channels.* Project management with JIRA Agile system for technical programming tasks.I have also developed various and dedicated easy to use API solutions plus corresponding API documentations. The API solution has helped several major third-party vendors to integrate WeChatPay/Alipay into their system with the minimal development effort.

Built, deployed and maintaining multiple cloud-based system products across industries:MTS custom ERP - Dedicated ERP system developed for medium-sized businesses in the oil industry. ZTRADER - All in one cloud ERP system for small retail businesses.ZWORKSHOP - All in one cloud system built with easy to use in mind, fitting busy automotive workshop needs, plus CRM and automatic SMS customer reminding system etc.YIYUN - Special management system built according to specific requirements for DAIGO(Selling product from overseas to China) businesses. Plus marketing and sales channels on the way, such as online shopping platform, WeChat miniapp shopping platform etc.

Managing and developing various projects with developers team, such as:School-Parents communication portal @schoolImprovements development for current eTAP softwareAPI solution design and development for integration with third-party vendors, such as payments and library systemMultiple APP design and development - from nothing to release in IOS/ANDROID storesAPI solution design and development for MOE reporting system PaCT integration, etc

Participated in the development of the Hyundai WEB ERP system forHyundai New Zealand Ltd. ERP is used by Hyundai as a primary system on a daily basis. As aweb application developer, my work mainly includes:Create new modules according to Hyundai’s new requirements,requirements analysis and think up a feasible solution.Existing database structure analysis, modification and databaseexpansion.Develop all necessary RXML, JavaScripts pages, test locally andupdate the live system as required, also load new modules intothe system.Creating most of Hyundai’s business report generator according totheir new requirements.Work with other website developer and flash application developer forwebsite system and CMS development.