On top of being an expert in product design, full-stack web development, and user experience (UX) design, I'm also proficient in search engine optimization (SEO) strategy planning, user interface (UI) design, and etc. Open source contributions - https://github.com/trantorliu UI design portfolio - https://dribbble.com/trantorliu UX design and product promotion articles - https://medium.com/@TrantorLiu