• Worked on back-end development, fixing vulnerabilities, and following security coding practices to develop features. • Collaborated with architects, developers, and PM in different countries.

• Worked on back-end development, designing backend architecture, using Python (Flask and FastAPI) to build RESTful APIs, and maintaining services. • Developed anomaly detection systems applied to the factory, which can help the factory to easily monitor whether the machine is abnormal. • Developed a member system, including user authentication and payment function that integrates Newebpay API and EzPay invoice API. • Developed multiple AI acoustic analysis systems, including singing voice separation (Sovia), noise cancellation (Hullaballoo), vocal to midi transcription, and singing voice type detection services. • Refactored music crawler and reduced the crawling time by 17%. • Built service monitors with Prometheus, Grafana, and Alertmanager. • Introduced coding guidelines, GitLab flow, and part of CI/CD.

• Worked on full-stack development, using Node.js/Express to build RESTful APIs, and maintaining services. • Developed a management system, monitoring the amount of data crawled by the crawler, and managing the whitelist and blacklist of news resources. • Developed a search system that integrates many social media, such as Facebook, PTT, Dcard, News, FactCheck, and MyGoPen. It also shows the sensational score of the title and the similarity between title and content.

• Worked on full-stack development, using Node.js/Express to build RESTful APIs, and maintaining services. • Developed a social media search system that integrates many social media, such as Facebook, Instagram, PTT, Dcard, YouTube, and News. It can help the users to quickly catch the most popular articles or the latest articles. • Trained word2vec model and developed a related words API, searching for related words, and obtaining the similarity between two words. • As a contact person for some projects, discuss requirements and specifications with cooperating customers.

• Developed an internal maintenance order statistics system to assist in order management and understand the manpower and time consumed by maintenance.