- Launched HerFIT, a female fitness product, within three months, successfully migrating from native to Flutter. Established the project architecture, design system, IAP service, code linter, and analytics system. - Implemented a comprehensive testing strategy, including unit, integration, and E2E testing (Maestro, Patrol), ensuring high product reliability and confidence. - Achieved a 95%+ non-crash rate, maintained an average of 20 user-reported issues per year, and grew the platform to 3,000+ subscribers and 8,000+ users.

Lead a four-member Flutter team. - Built a QA-collaborate testing system by using Maestro, which effectively reduced the probability of bugs by 82%. The product is offered for 10000+ users. - Own widget/component package for all projects and maintain by Widgetbook - Codegen and tools, like scripts, and Mason for development - Codemagic and Gitlab for CICD - Performance tuning and checking by Devtools

Develop PPAPE NFT project which is using web3 techs. - Develop websites for NFT projects, crypto transaction platforms, and the NFT trading market in Vue and Typescript. - Develop a wallet app, support currency and NFT, and asset transfer in Flutter with Riverpod. - Experience in operating smart contracts for web and app. - Build and design a discord community for the NFT project. - Good at discord bot using Node.js and Typescript. The functions of customized commands, managing role permissions, and third-party authentication binding.

Develop Hanami which is a social network app using Flutter. The team consists of six members. - Implement chat room(Sendbird), dress-up system, party activities, red envelope draw, gift-giving, barrage animation, IAP, etc. - Socket IO for instant messaging, bidding, and offline updates. - Isolates and Loadbalancer to optimize image processing and complex operations. - Interact h5 page by jsbridge for WebView - Customer service through Zendesk and Qiyu, and release Flutter packages. - Experience with CI/CD in Jenkins. - Familiar with Scrum development with Jira, and ClickUp. Skill： Provider, GetX, RiverPod, RxDart, Dio, Isolate, SQLite, WebView, Socket, FCM

- Work on various types of apps in Android, iOS, and Flutter​. - Flutter apps include online learning, contactless drop-off bell application (Ble), medical care, environmental monitoring, personnel trajectory, AI recognition, etc are used Bloc and Provider. ​​- Android and iOS native apps include mobile guide (Ble), store storage, physiological records, etc that are based on MVP architecture. - Experience in deploying Android and iOS apps. - Invited to participate in an exclusive interview with "Zhengsheng Radio", the content includes the entrepreneurial process and a new product called the contactless drop-off bell - In 2020, won the Small Business Innovation Research and Development Program (SBIR) of the Small and Medium Enterprise Division of the Ministry of Economic Affairs, and plans to extend the product to a zero-touch drop-off bell. - Discuss with customers, including pre-work, schedule planning, art materials, etc., to improve communication skills. - Familiar with the back-end definition API, have a fixed development process and improve implementation efficiency. Skill： MVP · Swift · Bloc · Provider · FCM · IAP · BLE · MAP · Java · Flutter · Dart

- Participate in many android APPs. - Developed myCT+ APP for travelers including trip planning, bicycle renting, and itinerary based on hotel/transportation/route customization. - Developed 宜蘭勁趣味APP for travelers for Yilan with spots, mission game system, event info, etc. - Developed 學習履歷系統APP for students to plan and record their studies. - Developed a smartwatch app to get health records and analyze users' health data. - Developed AR-related APP to display store markers and add notes on the camera view. - Knowledge of UI adaptation on android phone- Participate in many android APPs. - Developed myCT+ APP for travelers including trip planning, bicycle renting, and itinerary based on hotel/transportation/route customization. - Developed 宜蘭勁趣味APP for travelers for Yilan with spots, mission game system, event info, etc. - Developed 學習履歷系統APP for students to plan and record their studies. - Developed a smartwatch app to get health records and analyze users' health data. - Developed AR-related APP to display store markers and add notes on the camera view. - Knowledge of UI adaptation on android phone Skill： MVP · Android · Java

- Developed Android APP that provides courses and exam content for students. - Make UML analyzed documents.