- Co-Founded a personal studio dedicated to providing 3D printing solutions including - Prototyping - Small-batch product production - Developing original products- Launched and managed the online store on 3 e-commerce platforms with 15+ products.- Designed and modelled 3D printing products using Fusion 360, Shapr3D and PrusaSlicer.- Assisted in maintaining and operating Fused Deposition Modelling (FDM) 3D printers.

- Originated an indoor navigation system utilising Bluetooth Low Energy (BLE) technology implemented in a medical centre with over 100,000 square metres of indoor area (Granted patent: TW I770919 B).- Managed the development of a commercial BLE location-based product using Agile Waterfall hybrid.- Led the visual design team to generate flowcharts, wireframes, and mock-ups for UI/UX design.- Developed technical product documentation, including HTTP RESTful API and BLE Generic Attribute (GATT) profile specifications to communicate upcoming features to internal and external teams.- Operated configuration, management and deployment of Amazon Web Services (AWS) cloud.- Collaborated with UC Berkeley Psychology Lab on providing location-based data for academic research.- Trained QA engineers and oversaw quality control implementation and reporting.- Thrived in a fast-paced, highly-adept team to develop and prioritise product features and build roadmaps.

- Created functional requirement documents (FRD) and communicated effectively with the engineers to deliver updates on project milestones and deadlines.- Developed project plans and milestones and tracked progress using Teamgantt, GitHub and Slack.- Managed releases and version control for the mobile Apps, the cloud and the firmware.- Cooperated with the marketing and visual design teams to refactor the UI/UX on the mobile Apps.- Involved in server migration to AWS and developed a serverless cloud integrating 10+ third-party Internet of Things (IoT) products with OAuth 2 authorization protocol.

- Created and executed test plans and 400+ test cases for new features and regression testing.- Conducted automated test scripts and manual testing of the cloud functionality and verified the API JSON body.- Collaborated with 4 R&D engineers in QA testing a Bluetooth IoT product on different platforms including - Web and Mobile Apps (iOS, Android) - Cloud (HTTP RESTful API) - Firmware (ESP32, BLE)- Reported and tracked 50+ issues monthly.- Provided technical support to end users and discussed user feedback with the team members.