Kevin Kam
Senior Mobile App Developer with 25+ years experience
New to Contra
Kevin is ready for their next project!
Designed, developed, and published Stone Grid as a solo Flutter developer.
Stone Grid is a cross-platform Gomoku (Five in a Row) strategy board game featuring AI opponents, local multiplayer, multiple board sizes, hint systems, zoom controls, and customizable game rules.
Built and maintained the entire application, including game logic, AI gameplay systems, board rendering, local state management, in-app purchases, advertising integration, and App Store / Google Play releases.
Technologies: Flutter, Dart, SQLite, In-App Purchase, AdMob
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7
Designed, developed, and published Sudoku Heaven as a solo Flutter developer.
Sudoku Heaven is a cross-platform puzzle application featuring multiple difficulty levels, daily challenges, statistics tracking, progress management, hint systems, and offline gameplay.
Built and maintained the entire application, including puzzle generation and validation logic, local data storage, in-app purchases, advertising integration, game progression systems, and App Store / Google Play releases.
Technologies:
Flutter, Dart, SQLite, In-App Purchase, AdMob
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6
Developed and published TraitTest, a cross-platform personality assessment application built with Flutter.
The app is based on the scientifically recognized Big Five personality model and provides personality analysis, MBTI-style type suggestions, visual result charts, and shareable result summaries.
Implemented multilingual support, local data management, in-app purchases, result history, and a responsive user experience across iOS and Android.
Technologies:
Flutter, Dart, SQLite, In-App Purchase
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12
Developed and maintained the BlackVue mobile application for iOS as a freelance mobile developer.
Implemented and maintained key features including Wi-Fi Direct communication, live view streaming, video playback, cloud integration, authentication, and App Store releases.
Technologies: Swift, Objective-C, BLE, REST API, Wi-Fi Direct, Apple Sign In, Google Sign-In, SQLite
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16
Developed and maintained the Cimilre Novon mobile application for iOS and Android.
Implemented BLE connectivity, device control, session tracking, and local data storage for a smart nipple care device.
Technologies: Swift, Kotlin, BLE, SQLite
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31
Developed and maintained the Cimilre Free-T mobile application for iOS and Android as a freelance mobile developer.
Built a BLE-based breast pump control app supporting connection and control of two devices, session tracking, local data storage, and app releases across both platforms.
Technologies:
Swift, Kotlin, BLE, SQLite
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31
Developed and maintained the Motif Aura companion application for iOS and Android as a freelance mobile developer.
Implemented BLE connectivity, device control, session tracking, local data storage, and application releases across both platforms.
Technologies:
Swift, Kotlin, BLE, SQLite
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35