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Billy BBB
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Billy B

@billyb

Senior frontend engineer specializing in performant, accessible React and real-time UI experiences.

United States
Message

What I'm looking for

I’m seeking senior frontend roles where I can lead React-based architecture, build reusable component systems, drive performance and accessibility, and collaborate cross-functionally to deliver impactful user experiences.

I am a senior frontend engineer with deep expertise building performant, accessible React and React Native interfaces for web and mobile. I lead frontend architecture, component libraries, and performance optimization to deliver pixel-perfect implementations from Figma.

At eBay I led the frontend for an AI-powered conversational shopping agent, implementing streaming chat, contextual state, resilient error handling, and advanced data visualizations using D3.js and Recharts. I build scalable UIs with code-splitting, memoization, virtualization, and CDN-optimized delivery to improve TTI and SEO.

I have a strong track record modernizing legacy platforms into TypeScript + React architectures, establishing Storybook-driven component libraries, and enforcing integration standards across REST and GraphQL. I prioritize testing, having implemented Jest, Cypress, and Playwright end-to-end suites and CI-driven quality workflows.

I collaborate closely with designers, PMs, AI/ML researchers, backend and DevOps teams to align technical solutions with business goals, championing accessibility (WCAG), mobile responsiveness, and robust data-fetching patterns for resilient user experiences.

Experience

Work history, roles, and key accomplishments

eBay logoEB
Current

Senior Frontend Engineer

eBay

Aug 2018 - Present (7 years 3 months)

Led frontend development of eBay's AI conversational shopping agent, delivering low-latency, cross-platform React and React Native interfaces with streaming chat and optimized performance to improve TTI and responsiveness across devices.

SS

Senior Frontend Developer

Silicon Spectra

Sep 2017 - Aug 2018 (11 months)

Architected real-time analytics dashboards and led migration from AngularJS to React+Redux, establishing a TypeScript+Storybook component library and improving performance, caching, and integration patterns for enterprise customers.

Education

Degrees, certifications, and relevant coursework

Stevens Institute of Technology logoST

Stevens Institute of Technology

Bachelor of Science, Computer Science

2009 - 2013

Bachelor's degree in Computer Science completed from August 2009 to September 2013, covering core CS topics and software development principles.

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Billy B - Senior Frontend Engineer - eBay | Himalayas