With 10+ years in web development, I speed up product delivery by building core libraries. After product launch, I use tools like Lighthouse to cut loading times. In team discussions, I often propose animation and clear UI to guide users and boost engagement. 【 Text Summary 】 - Built core libraries to speed up development cycles from 2 weeks to 1 (50% faster) - Cut loading time from 2s to 1.2s (40% faster) - Used Lighthouse and Chrome DevTools Performance to spot long-running JS and render-blocking resources - Used Network panel to optimize resource loading order and priority - Integrated SEO with Google Tag Manager and Analytics - Coordinated remote teams to deliver 72-hour projects, clarifying goals and hitting deadlines - Applied unit and integration tests for stable, high-quality code - Self-taught in modern frontend frameworks (React, Angular, Vue), driving continuous growth - Built interactive UI with CSS animations to enhance user engagement - Used AI to break down tasks and identify root causes - Enabled product teams with multi-version previews, speeding up decision-making in meetings 【 Side projects 】 [browser-render-visualizer] (https://lichunbin814.github.io/technical-visualizer) 【 Visual Summary】 https://1drv.ms/p/s!AoB2CBssE3osh7t8jbiXbyFba3kg8w 【 Career Summary】 - https://www.linkedin.com/posts/jimmy-lee-1a5754a2_career-summary-early-career-in-activity-7306873996208222208-awNI 【 latest learnings and thoughts】 - https://www.linkedin.com/in/jimmy-lee-1a5754a2/recent-activity/all/