David Kim
David Kim is a performance optimization specialist who has helped scale high-traffic web applications to millions of users. His expertise focuses on delivering exceptional Core Web Vitals, ultra-fast loading, and seamless user experience through modern rendering, caching, and network optimization techniques.
Certified DevSummit Speaker
Contact
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david.kim@devsummit.com
Speaker Overview
What he works on
Web performance engineering & scalability
Core Web Vitals optimization at scale
Rendering strategies, caching & CDN architecture
Real-time profiling, performance monitoring & debugging
Front-end performance automation & tooling
About
With a background in computer science from UC Berkeley and years of experience optimizing large-scale systems, David has led performance audits that improved conversion rates up to 30% for global brands. His deep understanding of rendering pipelines and network bottlenecks helps engineering teams eliminate slow paths and reduce load times from seconds to milliseconds.
He regularly contributes to performance tooling standards, speaks at developer conferences, and maintains a widely-read performance engineering newsletter followed by 20,000+ developers. David is also recognized as a Google Developer Expert for Web Performance.
Why attendees value his sessions
Teaches how to detect & fix real bottlenecks, not just theory
Performance wins that translate directly into business results
Clear frameworks for Core Web Vitals & page speed improvement