I am a Flutter Developer with 5+ years of experience building scalable, high-performance mobile cross-platform apps, backed by a strong Android native development background. I specialize in BLE integration, clean architecture, and AI-assisted development to deliver efficient, user-centric solutions. I thrive in remote, agile environments and enjoy collaborating with designers and backend engineers to ship high-quality features.

Van Zayar Lyan Htan

I am a Flutter Developer with 5+ years of experience building scalable, high-performance mobile cross-platform apps, backed by a strong Android native development background. I specialize in BLE integration, clean architecture, and AI-assisted development to deliver efficient, user-centric solutions. I thrive in remote, agile environments and enjoy collaborating with designers and backend engineers to ship high-quality features.

Available to hire

I am a Flutter Developer with 5+ years of experience building scalable, high-performance mobile cross-platform apps, backed by a strong Android native development background. I specialize in BLE integration, clean architecture, and AI-assisted development to deliver efficient, user-centric solutions. I thrive in remote, agile environments and enjoy collaborating with designers and backend engineers to ship high-quality features.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Mobile Application Developer (Flutter) at Visible One
October 1, 2024 - Present
Led the full mobile development lifecycle for Android and iOS using Flutter; designed and implemented MVVM clean architecture and modular structures; built and maintained apps including CFA Hong Kong Society Event registration app, Beacon Medical online booking app, and Face recognition attendance app; applied Riverpod and Provider for state management; integrated RESTful APIs and third-party services; automated CI/CD pipelines; published apps to Google Play Store and Apple App Store.
Flutter Software Engineer (Part-Time) at VisibleOne
October 1, 2024 - Present
Led end-to-end mobile development lifecycle for Android and iOS platforms. Developed and maintained cross-platform mobile applications using Flutter. Implemented key projects including: CFA Hong Kong Society event registration app, Beacon Medical online booking app, Face recognition attendance app. Collaborated with designers and backend developers to deliver seamless UI/UX and reliable data integration. Implemented CI/CD pipelines to automate build and deployment. Delivered and published applications to the Google Play Store and Apple App Store, ensuring compliance with store guidelines. Ensured app performance, quality, and responsiveness through comprehensive testing and debugging.
Flutter Software Engineer (Part-Time) at VisibleOne
October 1, 2024 - Present
Led the end-to-end mobile development lifecycle for both Android and iOS platforms using Flutter. Implemented key projects including: CFA Hong Kong Society event registration app, Beacon Medical online booking app, and Face recognition attendance app. Collaborated with designers and backend developers to deliver seamless UI/UX and reliable data integration. Implemented CI/CD pipelines to automate build and deployment. Published applications to the Google Play Store and Apple App Store, ensuring compliance with store guidelines. Focused on app performance, quality, and responsiveness through comprehensive testing and debugging.
Android Developer (Part-Time) at Slazh
March 1, 2024 - September 13, 2025
Took ownership of the existing codebase and ensured smooth project continuity after developer handover. Implemented remote Add-to-Cart functionality, enabling synchronized carts across devices. Integrated CometChat real-time messaging to enhance in-app customer support. Developed search history and product filtering features for improved user experience. Integrated KBZPay payment gateway, expanding payment options and improving user convenience. Introduced Jetpack Compose, increasing maintainability and app performance.
Android Developer (Part-Time) at Slazh
March 1, 2024 - September 10, 2025
Took ownership of the existing codebase and ensured smooth project continuity after developer handover. Implemented remote Add-to-Cart functionality, enabling synchronized carts across devices. Integrated CometChat real-time messaging to enhance in-app customer support. Developed search history and product filtering features for improved user experience. Integrated KBZPay payment gateway, expanding payment options and improving user convenience. Introduced Jetpack Compose, increasing maintainability and app performance.
Android Developer (Freelance) at Slazh (E-Commerce)
July 1, 2023 - March 1, 2024
Took ownership after handover; implemented remote Add-to-Cart feature; integrated ComeChat real-time messaging for customer support; integrated KBZPay payment gateway; introduced Jetpack Compose.
Senior Android Software Engineer at Codigo
November 1, 2021 - December 1, 2025
Developed and maintained a Singapore insurance app with 70K+ installs, 1.5K+ DAU, and 94.9% crash-free rate; implemented Singpass and Auth0 authentication; built insurance purchase features using MPGS; migrated UI to Jetpack Compose; integrated analytics, security, and marketing tools; upgraded Gradle; led sprint implementations.
Senior Android Engineer at Codigo
November 1, 2021 - Present
Developed and maintained a Singapore insurance app with 70K+ installs, 1.5K+ DAU, and a 94.9% crash-free rate. Implemented Singpass and Auth0 authentication, reducing registration failures by 25% and enhancing security. Built native insurance purchase features, driving S$60K+ revenue in one month. Migrated UI to Jetpack Compose with modern architecture, boosting performance and scalability. Enhanced app capabilities by integrating key third-party libraries including Cometchat (chat), Smartlook (analytics), Trustilo (security), and Emarsys (marketing automation). Upgraded and maintained Gradle from version 6.0 to 8.9, ensuring build stability, performance, and compatibility with modern Android tooling. Collaborated with cross-functional teams and led sprint planning to ensure high-quality, on-time delivery.
Senior Android Engineer at Codigo
November 1, 2021 - Present
Developed and maintained a Singapore insurance app with 70K+ installs, 1.5K+ DAU, and a 94.9% crash-free rate. Implemented Singpass and Auth0 authentication, reducing registration failures by 25% and enhancing security. Built native insurance purchase features, driving S$60K+ revenue in one month. Migrated UI to Jetpack Compose with modern architecture, boosting performance and scalability. Enhanced app capabilities by integrating key third-party libraries including Cometchat (chat), Smartlook (analytics), Trustilo (security), and Emarsys (marketing automation). Upgraded and maintained Gradle from version 6.0 to 8.9, ensuring build stability and compatibility with modern Android tooling. Collaborated with cross-functional teams and led sprint planning to ensure high-quality, on-time delivery.
Intern Android Developer at Swan Arr Electronic
June 1, 2020 - March 1, 2021
Contributed to the Karaweik Cafe app; used MVVM, LiveData, Jetpack, and Coroutines to build core features like cart management and ordering.

Education

BSc (Hons) Computing at University of Greenwich (UK)
January 11, 2030 - January 1, 2024
BSc (Hons) Computing at University of Greenwich (UK)
January 11, 2030 - January 1, 2024
B.Sc. (Hons) Computing (First Class Honours) at University of Greenwich (UK)
December 1, 2022 - February 1, 2024

Qualifications

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Industry Experience

Software & Internet, Media & Entertainment, Professional Services