Mateo Guzmán

• Bundle size and cold-start performance
• Native modules in Kotlin, Swift, and C++ via JSI
• React Native version upgrades and migrations
• Hermes profiling, on-device caching, asset pipelines
• The long-tail problems that don't have a Stack Overflow answer

• facebook/react-native — core contributor (Image caching, Kotlin migration, smaller things)
• react-native-lz4 — C++ compression bindings via JSI
• react-native-fiesta — celebration animations on Skia
• Cutting ~7 MB off a React Native bundle — deep dive
• Xplorer — planetary-exploration app with AI-generated textures

If anything here resonates — a problem you're stuck on, a topic you'd like to compare notes on — feel free to drop a line.

• info@mateoguzmana.net
• @MateoGuzmanA on X
• Stack Overflow
• github.com/mateoguzmana