Led development of a Flutter-based telecom tower enterprise facility management app using offline-first architecture with SQLite, online/offline sync, native live watermark camera, and geolocation tracking. Built modular features for maintenance, quality audits, asset management, multi-role UIs, and integrated RESTful APIs and Firebase services for analytics, Crashlytics, and messaging. Deployed on Android with CI/CD and mentored junior developers on Flutter best practices.

Frontend Developer at Blue Stone Solution Co., Ltd

August 20, 2023 - July 20, 2025

Developed cross-platform insurance management system using Angular, Ionic and Flutter; online/offline web/mobile solutions for Android and iOS; automated claims processing and customer data management features; responsive UI across web and mobile; integrated RESTful APIs with real-time data synchronization; built native-performance mobile apps for iOS/Android with Flutter.

Flutter Developer (Freelance) at Start Light

September 20, 2021 - December 20, 2021

Freelance Flutter development focusing on cross-platform client apps with robust UI and offline functionality.

Mobile App Developer at Dai-ichi Life

January 20, 2024 - September 20, 2024

Developed cross-platform insurance management application using Flutter, Angular and Ionic; implemented RESTful integrations and data synchronization; designed scalable UI architecture across devices.

Mobile App Developer at Apollo Tower Management

August 20, 2025 - October 20, 2025

Developed Android facility management mobile app in Flutter; implemented work order management, site monitoring, asset tracking; GPS-based check-in/out with offline sync, real-time location tracking; multi-level approval workflows for leaves, overtime, travel, and expense claims with push notifications and analytics.

Frontend Developer at Miracle Creative

January 20, 2025 - April 20, 2025

React.js architecture showcase site for Miracle Creative Industries; mobile+desktop optimization; clean UI components; project gallery; integrated form, content, and multi-page design.

Frontend Developer at Blue Stone Solutions Co., Ltd.

August 1, 2023 - July 1, 2025

Delivered cross-platform insurance management solutions using Angular/Ionic and Flutter; built responsive web and mobile UIs, implemented offline/online sync, REST API integration, and admin dashboards; introduced automated tests and a reusable component library.

Freelancer Flutter Developer at Self-employed / OJT

September 1, 2021 - December 1, 2021

Developed cross-platform agent apps using Flutter with offline-first architecture; implemented GPS/location features, multi-language support, and robust data synchronization.

Flutter / Android Developer at Apollo Tower Management

August 1, 2025 - October 31, 2025

Developed Android/iOS mobile apps in Flutter for facility management, including work orders, attendance, leave, and expense claims; implemented GPS check-in/out, offline sync, push notifications, and multi-level approval workflows.