Glen Paul Sumido
Hi, I’m Glen Paul Sumido, a Senior Frontend Developer with 8+ years of experience building scalable web applications using React and modern JavaScript frameworks.
About
Hi, I’m Glen Paul Sumido, a Senior Frontend Developer with 8+ years of experience building scalable web applications using React and modern JavaScript frameworks.
I have a proven track record delivering high-quality, secure solutions in Agile environments and across cross-functional teams. I excel at REST API integration, automated testing, and performance optimization, and I love collaborating with UX designers and Product Owners to craft tailored user experiences.
- 8 years' experience
- Joined March 2026
Industry experience
- Software & Internet
- Professional Services
- Media & Entertainment
- Education
- Other
- Government
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Work experience· 5 roles
Led development of enterprise SaaS web applications with complex data visualization and dashboard interfaces. Built responsive, performant UIs integrated with backend APIs, focusing on reliability and seamless user experience. Collaborated with product stakeholders to translate requirements and wireframes into production-ready features. Maintained scalability and code quality across critical user flows through reviews, testing, and documentation.
Designed and built data-heavy React applications with emphasis on performance optimization. Implemented lazy loading and caching strategies, improving page load times by 40%. Designed and maintained reusable UI components used across internal and customer applications. Automated build pipelines with CI/CD for streamlined deployments.
Designed and implemented React and Next.js web applications focusing on user experience. Optimized page load times and interactivity for complex data views through lazy loading and caching strategies. Worked directly with product and QA in an agile environment, adapting quickly to shifting requirements and briefs.
Education
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