Wei Guang Heng (He/Him)

About

Senior mobile engineer with deep iOS foundations in Objective-C, Swift, and UIKit.

Focused on maintainable app architecture, migration work, and mentoring across product teams.

Web3-curious engineer with hands-on delivery experience in high-scale fintech environments.

Languages: English & Chinese (native/bilingual)

Experience

1. Senior Mobile Developer @ OKX

   Jul 2022–Oct 2025 · Singapore, On-site

   • P2P Trading feature ownership (Jul 2022–Jun 2025).
   • Compliance feature delivery (Jun 2025–Oct 2025).
   • Mentored junior engineers.
   • Migrated Objective-C modules to Swift.
   • Evolved architecture from MVC to MVVM + Clean Architecture.

2. Senior iOS Developer @ Crypto.com

   Jan 2022–Jul 2022 · Singapore

3. Mobile Developer @ Crypto.com

   Nov 2020–Jan 2022 · Singapore

4. Application Development Senior Analyst @ Accenture

   Jun 2019–Nov 2020 · Singapore

5. Full Stack Developer @ Conny Tech Pte Ltd

   Aug 2017–May 2019 · Singapore

6. iOS Developer @ Codigo Pte Ltd

   Sep 2013–Apr 2017 · Singapore

7. iOS Developer @ Singapore Polytechnic

   Mar 2011–Oct 2011 · Singapore

Skills

• Swift
• Objective-C
• UIKit
• React Native
• TypeScript
• iOS
• Xcode
• Swift Concurrency
• MVVM
• Clean Architecture
• JSON/REST
• Agile

Contact

Based in Singapore. Open to collaborations and new opportunities.

• Emailweiguang747@gmail.com
• LinkedInlinkedin.com/in/weiguang
• Websiteweiguang.dev