Available to hire
I am a mobile application developer with 8+ years of experience delivering creative, high-performance iOS apps using Swift, Objective-C, and SwiftUI. I excel at performance optimization, geolocation, offline caching, and robust RESTful integrations, building experiences that feel fast and reliable on devices.
I’m currently seeking a Mobile Application Developer role at Twine, aiming to contribute as a co-owner to craft innovative mobile experiences with long-term growth potential. I bring a collaborative mindset, strong cross-functional communication, and hands-on experience with React Native, native modules, and cloud services to ship quality products.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Chinese
Fluent
Work Experience
Mobile Developer (Contractor) at PriceGrabber NZ - Fresh Direct ERP (iOS APP)
April 1, 2025 - PresentLed the development of a cross-platform ERP mobile app (iOS/Android) with React Native (iOS focus) and native Swift modules. Implemented order processing, logistics features, RESTful API integration, data sync, offline caching, push notifications, and real-time chat for enterprise users. Applied MVVM, contributed to Objective-C to Swift migration, and supported App Store deployment, CI/CD pipelines (Fastlane, GitHub Actions), and automated testing. Worked in an Agile Scrum environment, performing code reviews and mentoring junior iOS developers.
Mobile Developer (Contractor) at PriceGrabber NZ - Fresh Direct ERP
April 1, 2025 - PresentCross-platform ERP mobile app for iOS and Android — supports order processing, logistics coordination, and role-based operations. Delivered ERP mobile features with React Native (iOS focus) and native Swift modules, ensuring seamless iPad user experience and optimized app performance. Designed and consumed RESTful APIs with backend services; implemented data sync, offline caching, push notifications, and real-time chat for enterprise users. Applied MVVM architecture and contributed to Objective-C to Swift migration, enhancing code maintainability and scalability. Supported the full development lifecycle, including App Store deployment, CI/CD pipelines (Fastlane, GitHub Actions), and automated testing. Collaborated in an Agile Scrum team, performing sprint planning, code reviews, and mentoring junior developers on iOS best practices.
Mobile Developer (Contractor) at PriceGrabber NZ - Fresh Direct ERP
April 1, 2025 - PresentCross-platform ERP mobile app for iOS and Android; delivered ERP mobile features with React Native (iOS focus) and native Swift modules; designed and consumed RESTful APIs with backend services; implemented data sync, offline caching, push notifications, and real-time chat for enterprise users; applied MVVM architecture and contributed to Objective-C to Swift migration; supported the full development lifecycle including App Store deployment, CI/CD pipelines (Fastlane, GitHub Actions), and automated testing; collaborated in an Agile Scrum team, performing sprint planning, code reviews, and mentoring junior developers on iOS best practices.
Mobile Developer (Contractor) at PriceGrabber NZ - Fresh Direct ERP
April 1, 2025 - PresentCross-platform ERP mobile app for iOS and Android. Delivered ERP mobile features with React Native (iOS focus) and native Swift modules, ensuring seamless iPad user experience and optimized app performance. Designed and consumed RESTful APIs with backend services; implemented data sync, offline caching, push notifications, and real-time chat for enterprise users. Applied MVVM architecture and contributed to Objective-C to Swift migration, enhancing code maintainability and scalability. Supported the full development lifecycle, including App Store deployment, CI/CD pipelines (Fastlane, GitHub Actions), and automated testing. Collaborated in an Agile Scrum team, performing sprint planning, code reviews, and mentoring junior developers on iOS best practices.
Mobile Developer (Contractor) at PriceGrabber NZ - Fresh Direct ERP (iOS APP)
April 1, 2025 - PresentCross-platform ERP mobile app for iOS and Android; Delivered ERP mobile features with React Native (iOS focus) and native Swift modules, ensuring seamless iPad user experience and optimized app performance. Designed and consumed RESTful APIs with backend services; implemented data sync, offline caching, push notifications, and real-time chat for enterprise users. Applied MVVM architecture and contributed to Objective-C to Swift migration, enhancing code maintainability and scalability. Supported the full development lifecycle, including App Store deployment, CI/CD pipelines (Fastlane, GitHub Actions), and automated testing. Collaborated in an Agile Scrum team, performing sprint planning, code reviews, and mentoring junior developers on iOS best practices.
iOS Developer at Xiamen Gaoding Co., Ltd.
April 30, 2022 - October 3, 2025Projects: Gaoding Design and Foco Design — iOS design and editing apps similar to Canva, supporting photo/video editing with filters, text overlays, and effects. Developed advanced photo and video editing features using Core Graphics and AVFoundation. Optimized rendering and memory usage, refactored key code paths, and improved performance for real-time editing on iOS devices. Delivered maintainable Objective-C/Swift code with modular architecture, improving long-term scalability and reusability. Collaborated with UI/UX designers and backend teams; incorporated user feedback to enhance responsiveness and App Store ratings and retention.
iOS Developer at Xiamen Gaoding Co., Ltd.
April 1, 2022 - October 3, 2025Developed Gaoding Design and Foco Design — iOS design and editing apps with photo/video editing capabilities, including filters, cropping, and text overlays. Optimized rendering and memory usage for real-time editing, delivered maintainable Objective-C/Swift code with modular architecture, and collaborated with UI/UX and backend teams to improve responsiveness and App Store performance.
iOS Developer at Xiamen Gaoding Co., Ltd.
April 1, 2022 - October 3, 2025Gaoding Design and Foco Design — iOS design and editing apps similar to Canva, supporting photo/video editing with filters, text overlays, and effects. Developed advanced photo and video editing features, including filters, cropping, and text overlays, using Core Graphics and AVFoundation. Optimized rendering and memory usage, refactored key code paths, and improved performance for real-time editing on iOS devices. Delivered maintainable Objective-C/Swift code with modular architecture, improving long-term scalability and reusability. Collaborated with UI/UX designers and backend teams, and incorporated user feedback to enhance responsiveness and achieve high App Store ratings and retention.
iOS Developer at Xiamen Gaoding Co., Ltd.
April 1, 2022 - October 3, 2025Gaoding Design and Foco Design — iOS design and editing apps with photo/video editing features; implemented filters, cropping, and text overlays; optimized rendering and memory usage for real-time editing; delivered maintainable Objective-C/Swift code with modular architecture; collaborated with UI/UX designers and backend teams to improve responsiveness and App Store ratings.
iOS Developer at Xiamen Gaoding Co., Ltd.
April 1, 2022 - October 3, 2025Gaoding Design and Foco Design — iOS design and editing apps similar to Canva, supporting photo/video editing with filters, text overlays, and effects. Developed advanced photo and video editing features, including filters, cropping, and text overlays, using Core Graphics and AVFoundation. Optimized rendering and memory usage, refactored key code paths, and improved performance for real-time editing on iOS devices. Delivered maintainable Objective-C/Swift code with modular architecture, improving long-term scalability and reusability. Collaborated with UI/UX designers and backend teams, and incorporated user feedback to enhance responsiveness and achieve high App Store ratings and retention.
Intermediate iOS Developer at Xiamen Duokuaihaosheng Network Technology Co., Ltd.
April 30, 2021 - October 3, 2025Futures Hunter — a financial trading app offering real-time market data, charting, and personalized alerts for enterprise and retail clients. Developed iOS trading features with Swift/Objective-C and UIKit, integrating with RESTful APIs and cloud-hosted services for secure multi-user access. Implemented WebSocket streaming to deliver high-frequency market data with sub-second latency; refined architecture and modular components. Introduced in-app analytics instrumentation to monitor user behavior, reducing coupling and improving product observability.
Intermediate iOS Developer at Xiamen Duokuaihaosheng Network Technology Co., Ltd.
April 1, 2021 - October 3, 2025Developed iOS trading features for Futures Hunter using Swift/Objective-C and UIKit, integrating RESTful APIs and cloud services for secure multi-user access. Implemented WebSocket streaming (Starscream, GCD) to deliver high-frequency market data with sub-second latency. Refactored monolithic view controllers into modular components and introduced runtime analytics instrumentation to improve observability.
Intermediate iOS Developer at Xiamen Duokuaihaosheng Network Technology Co., Ltd.
April 1, 2021 - October 3, 2025Futures Hunter — a financial trading app offering real-time market data, charting, and personalized alerts for enterprise and retail clients. Developed iOS trading features with Swift/Objective-C and UIKit, integrating with RESTful APIs and cloud-hosted services for secure multi-user access. Implemented WebSocket streaming to deliver high-frequency market data with sub-second latency, ensuring responsive real-time updates. Refactored monolithic view controllers into modular, reusable components, improving maintainability and scalability. Introduced in-app analytics instrumentation to monitor user behavior, reducing coupling and improving product observability.
Intermediate iOS Developer at Xiamen Duokuaihaosheng Network Technology Co., Ltd.
April 1, 2021 - October 3, 2025Futures Hunter — iOS trading app delivering real-time market data, charting, and alerts; developed with Swift/Objective-C and UIKit; integrated RESTful APIs and cloud-hosted services; implemented WebSocket streaming for high-frequency data; refactored monolithic view controllers into modular components; introduced in-app analytics instrumentation to monitor user behavior.
Intermediate iOS Developer at Xiamen Duokuaihaosheng Network Technology Co., Ltd.
April 1, 2021 - October 3, 2025Futures Hunter — a financial trading app offering real-time market data, charting, and personalized alerts for enterprise and retail clients. Developed iOS trading features with Swift/Objective-C and UIKit, integrating with RESTful APIs and cloud-hosted services for secure multi-user access. Implemented WebSocket streaming (Starscream, GCD) to deliver high-frequency market data with sub-second latency, ensuring responsive real-time updates. Refactored monolithic view controllers into modular, reusable components, improving maintainability and scalability. Introduced in-app analytics instrumentation (runtime-based) to monitor user behavior, reducing coupling and improving product observability.
iOS Developer at Various Companies in China
December 31, 2018 - October 3, 2025iOS Developer roles across multiple companies in China — developed consumer mobile apps using UIKit, Core Data, and RESTful APIs.
iOS Developer at Various companies in China (Early Roles)
December 31, 2018 - October 3, 2025iOS Developer roles at multiple companies, delivering consumer mobile apps using UIKit, Core Data, and RESTful APIs.
iOS Developer at Various (China)
January 1, 2018 - October 3, 2025iOS Developer positions across multiple companies in China, developing consumer mobile apps with UIKit, Core Data, and RESTful APIs. Built and maintained features across diverse product lines.
iOS Developer at Various Companies (China)
January 1, 2018 - October 3, 2025Handled consumer mobile apps development using UIKit, Core Data, and RESTful APIs; contributed to multiple projects with focus on performance, usability, and maintainability.
iOS Developer at Various Companies (China)
January 1, 2018 - October 3, 2025iOS Developer positions at multiple companies — developed consumer mobile apps using UIKit, Core Data, and RESTful APIs.
Education
Master of Software Engineering (L9) at Yoobee Colleges, Auckland
July 1, 2024 - July 1, 2025Bachelor of Computer Science at Fujian University of Technology, China
September 1, 2009 - June 1, 2013Master of Software Engineering at Yoobee Colleges, Auckland
July 1, 2024 - July 1, 2025Bachelor of Computer Science at Fujian University of Technology, China
September 1, 2009 - June 1, 2013Master of Software Engineering at Yoobee Colleges, Auckland
July 1, 2024 - July 1, 2025Bachelor of Computer Science at Fujian University of Technology, China
September 1, 2009 - June 1, 2013Master of Software Engineering (L9) at Yoobee Colleges, Auckland
July 1, 2024 - July 1, 2025Bachelor of Computer Science at Fujian University of Technology, China
September 1, 2009 - June 1, 2013Master of Software Engineering (L9) at Yoobee Colleges, Auckland
July 1, 2024 - July 1, 2025Bachelor of Computer Science at Fujian University of Technology, China
September 1, 2009 - June 1, 2013Qualifications
Industry Experience
Software & Internet, Media & Entertainment, Financial Services, Professional Services, Education
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Hire a App Developer
We have the best app developer experts on Twine. Hire a app developer in Auckland today.