Singapore Airlines - From Dec 2021 to the present

Role: Senior iOS Developer

SingaporeAir App:

• Technologies Used: Swift, RxSwift, MVVM, Moya, Nimble (unit test), Earl Grey (UI test)
  
• Technical Roles and Responsibilities:
• Worked on MVVMC pattern applicable to the application.
  
• Introduced Protocol Oriented Programming to the project to build functionality by composing protocols.
• Improved unit test coverage rate from 60% to 85%.
• Extracted payment functionalities into independent new Framework.

O'Pay (歐付寶) - From Jun 2021 to the Nov 2021

Role: iOS Developer

OPay(Mobile Pay App):

• Technologies Used: Swift, Objective-C, MVVM, Realm, AFNetwork, REST api, XML parser,  JSON parser
  
• Opay is a Taiwan based mobile payment application, which is a digital wallet covering all payment needs. Payments can be made to friends, smaller physical shops, supermarkets and larger chains, ecommerce, donations and regulation fees.
• Technical Roles and Responsibilities:
  
• Involved in analysis, design and development of the application.
  
• Worked on MVVM pattern applicable to the application.
  
• Created customized UI for better user interface experience.
• Used XML and JSON parser for parsing the response data from backends.
  
• Involved in testing and fixing the application such that it is free from memory leaks and crashes.
• Constructed friendly environment for visually impaired user.
  
• Introduced coordinator pattern for navigating view controllers.
  
• Decoupled the relationship between data model and api managers.

AutoPass (車麻吉) - From Nov 2020 to Jun 2021

Role: iOS Developer

Autopass:

• Technologies Used: Swift, MVVM, CoreAnimation, RxSwift, MOYA, REST api, JSON parser
  
• AutoPass is a Taiwan based mobile payment application, which is a digital wallet covering the automobile payment needs. Payments can be made to street parking, parking lot and gas stations.
• Technical Roles and Responsibilities:
  
• Involved in testing and optimizing the application of rendering map annotation images, improved the speed of rendering image from 0.2 to 0.015 second.  
  
• Implemented data collection and availability.

NPC App (Outsourced by National Petroleum Corporation, Top 3 gas station franchise in Taiwan):

Freelancer - From Sep 2020 to Oct 2020

Grindr Taiwan - From Oct 2019 to Sep 2020

Grindr App:

• Technologies Used: Data analysis, Statistics, SQL, JavaScript, CSS, HTML, Lottie, Charles proxy, VPN
  
• Grindr is the world's largest social networking app for LGBQ community.
• Technical Roles and Responsibilities:
  
• Conducted end user research to determine Minimum Viable Product (MVP). 
  
• Analyzed big data from analytic tool (Hue): crunch data to study, determine/create data driven solutions. 
• Planned and proposed the creation of data models and data structures for the user behavior researching .
  
• Improved and created monetization strategy and marketing materials for promoting in-app subscription and announcing new features.
  
• Created customized HTML with JavaScript for announcing new features displayed in the app.
  
• Planned, defined, and began execution of new features.
  
• Defined KPIs to monitor and measure success and provide insights and report/update senior management and key stakeholders on product development and launch efforts.
  
• Verified the Ad SDKs embedded in Grindr app conform to GDPR and DPIA with Charles proxy ensuring any of the user identifiable information will not be uploaded to Advertisement bidding platforms.

ReCactus Limited,. - From Aug 2017 to Nov 2018

ScreenshotBlocker - Link

HaoTsai (好菜) App - Link