Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a results-driven iOS engineer with 6 years of commercial experience building and maintaining high-traffic apps for platforms with tens of millions of users, across e-commerce, social networking, and live streaming. Proficient in Swift and Objective-C, I design robust, scalable, high-performance apps and continuously optimize for speed, memory, and UX. I recently earned a Master of Information Technology from the University of Newcastle and am seeking a challenging iOS Developer role in Australia to contribute to impactful products and grow with a forward-thinking team.…I am a results-driven iOS engineer with 6 years of commercial experience building and maintaining high-traffic apps for platforms with tens of millions of users, across e-commerce, social networking, and live streaming. Proficient in Swift and Objective-C, I design robust, scalable, high-performance apps and continuously optimize for speed, memory, and UX. I recently earned a Master of Information Technology from the University of Newcastle and am seeking a challenging iOS Developer role in Australia to contribute to impactful products and grow with a forward-thinking team.

Bern Lin

Developer, App Developer, Full Stack Developer, +2





I am a results-driven iOS engineer with 6 years of commercial experience building and maintaining high-traffic apps for platforms with tens of millions of users, across e-commerce, social networking, and live streaming. Proficient in Swift and Objective-C, I design robust, scalable, high-performance apps and continuously optimize for speed, memory, and UX. I recently earned a Master of Information Technology from the University of Newcastle and am seeking a challenging iOS Developer role in Australia to contribute to impactful products and grow with a forward-thinking team.…I am a results-driven iOS engineer with 6 years of commercial experience building and maintaining high-traffic apps for platforms with tens of millions of users, across e-commerce, social networking, and live streaming. Proficient in Swift and Objective-C, I design robust, scalable, high-performance apps and continuously optimize for speed, memory, and UX. I recently earned a Master of Information Technology from the University of Newcastle and am seeking a challenging iOS Developer role in Australia to contribute to impactful products and grow with a forward-thinking team.

Available to hire

I am a results-driven iOS engineer with 6 years of commercial experience building and maintaining high-traffic apps for platforms with tens of millions of users, across e-commerce, social networking, and live streaming. Proficient in Swift and Objective-C, I design robust, scalable, high-performance apps and continuously optimize for speed, memory, and UX.

I recently earned a Master of Information Technology from the University of Newcastle and am seeking a challenging iOS Developer role in Australia to contribute to impactful products and grow with a forward-thinking team.

Skills

Swift

Objective-C

Experience Level

Swift

Expert

Objective-C

Expert

Work Experience

Senior iOS Developer at Guangzhou Haolv Heshan Technology Co., Ltd.

December 1, 2024 - Present

Core contributor building features with Swift and SwiftUI; focused on performance optimization via Instruments; refactored codebase to improve stability and reduce memory footprint; led asset management and code cleanup reducing bundle size by 25%; collaborated in Agile sprint cycles to deliver high-quality, tested code.

iOS Developer at Hang Seng Bank (a subsidiary of HSBC)

May 1, 2024 - October 27, 2025

Engineered and maintained core MAuth login SDK for HSBC banking app; implemented features for Invest application with pixel-perfect UI; led performance improvements and code refactoring to enhance stability and reduce bundle size; authored technical docs; conducted unit and integration tests.

iOS Tech Lead at Data Turbulence Technology Co., Ltd.

July 1, 2022 - October 27, 2025

Led end-to-end development of 'Zhi Xing He Yi' social app (maps, social, AV); driven major performance optimizations including custom video player and image loader; reduced app bundle size by 20%; contributed to big data analytics SDK and established coding standards; managed App Store approvals and code obfuscation.

iOS Developer at Guangzhou Weige Network Technology Co., Ltd.

April 1, 2020 - October 27, 2025

Led architectural redesign of 'Yunhuo Youxuan' e-commerce app with component-based structure; developed crash reporting plugin; achieved stable 60 FPS, peak memory under 200 MB, crash rate <0.3%; built shared component library and encapsulated third-party wrappers; contributed to performance improvements.