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Alex Chen

Alex Chen

Senior Frontend Engineer & Product Designer

San Francisco, CA · hello@alexchen.dev · alexchen.dev

Career Summary

Full-stack developer and product designer with 5+ years of experience building high-performance, accessible web applications. Specializes in React ecosystems, design systems, and developer tooling. Passionate about the intersection of engineering rigor and design craft — believing that great software must be both functional and a joy to use.

Work Experience

Senior Frontend Engineer

TechForge Inc. · San Francisco, CA

2023-03-01Present

Leading frontend architecture for a B2B SaaS analytics platform serving 50,000+ users. Own the design system, performance budgets, and engineering culture for a team of 8 frontend engineers.

ReactTypeScriptTanStackTailwind CSSDesign SystemsPerformance
  • Architected and shipped a component design system (120+ components) that reduced UI development time by 60%
  • Improved Core Web Vitals scores across the product, achieving 90+ Lighthouse scores site-wide
  • Mentored 3 junior engineers through structured code reviews and pair programming sessions
  • Established frontend testing standards that increased coverage from 40% to 85%
Full-Stack Developer

Initech Corp. · Remote

2021-06-012023-02-28

Shipped 12+ product features end-to-end across a React frontend and Node.js backend. Owned the migration from REST to GraphQL and introduced TypeScript across the codebase.

ReactNode.jsGraphQLTypeScriptPostgreSQLAWS
  • Led GraphQL migration that reduced average API payload size by 45% and improved developer experience
  • Optimized slow database queries reducing p99 response times from 2.4s to 180ms
  • Built a real-time notification system handling 10,000+ events/minute using Redis Pub/Sub
  • Contributed to open source tooling: authored a widely-used TypeScript utility library (800+ stars)

Education

University of California, Berkeley

B.S. Computer Science — Focus on human-computer interaction, distributed systems, and data structures. GPA 3.7. Senior thesis on adaptive UI rendering performance.

Computer ScienceHCIAlgorithmsSystems Design

Coursework highlights: Human-Computer Interaction, Web Architecture, Database Systems, Machine Learning, Computer Graphics. Led the university's frontend development club for two years, organizing workshops and hackathons for 200+ members.