- AI tech-based tagging system Cupid product and project management - Scrum team workflow improvement and cross-team - Crawler system product and project management and maintenance. Responsible products : 1. AI tech-based tagging system Cupid - Cupid is a MarTech solution using NLP technology creating products tags, and applies mainly in E-commerce and media website. - Revise the product integration backend system and data flow MongoDB, Neo4j, MySQL, shortening the integration time from 4-5 workdays to 0.5 days. 2. AI data markup platform revision - Analyzing and concluding demand from AI team, I design the new flow wireframe and UI enhancement of this platform, increasing the markup speed by 20 % and helping AI team to introduce the new authority system to AI model and thus speeding up the model retrain system. 3. Scrum team workflow enhancement - Introduce Github core review flow and JIRA project management tool. Strengthening the scrum roles knowledge and enhancing the workflow, the team increases producing capacity by around 25%.

- Manage 3 major products of the company VoiceTube, HERO, Dictionary comprehensive revision or creating from scratch. - User research: user interview, usability test, questionnaire, data analysis GA, Firebase, SQL etc. - Market analysis: demand analysis, competitor analysis, pricing model enhancement. - Payment service: iOS, Android IAP system, third-party payment platform introducing. Responsible products : 1. Paid online English platform HERO web, iOS, Android - Manage web comprehensive revision. Through user research and data analysis GA, MySQL, I revised the UI and created the major function vocabulary books and its review system, increasing the monthly revenue by 80% and active users traffic by 60%. - Planning HERO iOS, Android from scratch. Through the questionnaire and usability test, I managed the functions and UI redesign, used iOS, Android IAP payment, and negotiated with App Store auditors. In the end, we successfully launched the app with a team of 4 engineers. 2. Free online English learning platform VoiceTube web, iOS, Android - VoiceTube was awarded as FBStart app of the year of 2016. I was responsible for the comprehensive revision of its iOS, Android app. After the revision, its retention rate increased by 13% only. 3. HERO official website revision - Revising official website including trial package and flow, logo, typography. The revision effectively increased the trial complete rate by 35%. By lowering the funnel loss rate, the conversion rate was increased by around 20%. - Replaced the third-party payment service, and published the project as open-source on Github. The project supports the major third-party payment service such as OPay, ECPAY, Pay2go etc.

- Digital marketing: social media advertising Facebook, marketing event design and management, LINE official accounts management. - Customer service: online customer service and promoting, ERP development, introducing external CRM systems. - English learning consulting - Facebook Ads management - Marketing campaign management