Experience
Flutter Developer
Jun 2025 - PresentSE Infocom
- Developed group and private chat functionality using Matrix, supporting text messages, photos, audio, video, file sharing, as well as group creation and management features.
- Implemented a secure OAuth web authentication flow in Flutter with external browser support and seamless redirection back to the app, improving authorization reliability and security.
- Designed and optimized complex interactive forms in Flutter with 50+ input fields and multiple radio selections, ensuring consistent UX across all devices.
Flutter Developer
Sep 2023 - May 2025HELLO IT
- Integrated the FreedomPay payment system into a Flutter application via MethodChannel, enabling communication with iOS and Android native SDKs, handling payment page interactions, result processing, and returning data to Flutter.
- Implemented deep linking to improve in-app navigation, automated code generation using Mason, and efficiently managed a multi-project Flutter environment with Melos.
- Developed and maintained scalable Flutter applications using Clean Architecture and MVVM patterns, ensuring maintainability and structured codebase.
- Successfully upgraded three legacy Flutter projects to align with the latest framework versions, significantly improving performance and stability.
Flutter Developer
Apr 2023 - Sep 2023Freelance
- Built an auction platform for purchasing cars from Korea, allowing users to place bids and track the latest offer in real time.
- Developed and deployed an automated school bell management system, optimizing internal processes and increasing operational efficiency in two institutions.
- Implemented multilingual support, enhancing user engagement and accessibility.
- Converted Figma designs into fully functional, pixel-perfect, responsive Flutter interfaces with improved user experience.
Frontend Developer
Aug 2021 - Mar 2022Program manager
- Contributed to the development of websites for local businesses using HTML5, CSS3, Sass, JavaScript, and jQuery.
- Transformed Figma designs into responsive, animated web interfaces using HTML5, CSS3, Sass, JavaScript, jQuery, and Gulp.js.
- Developed over 60% of the company’s e-commerce platform, gaining extensive experience in web technologies.
- Built key parts of the company’s e-commerce platform using Vue 2 and PHP, achieving strong proficiency in frontend development.
Skills
Frontend: JavaScript / TypeScript / React / Redux / CSS frameworks
Mobile: Dart / Flutter / Bloc / Method channels / auto_route / go_router / deeplink
Other: Firebase / Git / Linux / Figma
Projects
Booka (Android, iOS)
A smart platform for online booking, connecting you with trusted professionals.