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Ruben Ruvalcaba
Senior Frontend Engineer specializing in React platform architecture
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About
Frontend architecture leader with experience at Citi and Warner Bros. Discovery, building high-performance browser UIs for demanding enterprise and media workflows. Stands out for combining design-system standardization, deep browser performance optimization, and measurable impact: ~50% frontend improvement and 40% faster feature delivery across a 20+ engineer team.
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Key Strengths
- Led frontend architecture for enterprise financial platform at Citi
- Built React + Storybook atomic design system to standardize UI across teams
- Improved frontend performance by about 50% on real-time data-heavy applications
- Increased feature delivery speed by 40% across a 20+ engineer team
- Strong browser performance debugging using Chrome DevTools, render analysis, and DOM/CSS optimization
- Scaled frontend architecture from conception through launch
- Improved CMS usability for live-event moderators and editors at Warner Bros. Discovery
- Balanced advanced functionality with simplicity for non-technical users
- Experience with TypeScript in micro frontend architectures and shared library design
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