Alex Chen

Alex Chen

Senior Full-Stack Developer

San Francisco, CA
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About

Full-stack developer with 6+ years of experience building scalable web applications. I specialize in React and TypeScript on the frontend and Node.js on the backend, with a strong focus on performance, accessibility, and developer experience. I thrive in collaborative environments and enjoy mentoring junior engineers.

Work Experience

Senior Full-Stack Developer

Vercel·San Francisco, CA (Remote)

Led development of customer-facing dashboard features serving 200k+ users. Architected a real-time analytics pipeline and reduced page load times by 45% through server-side rendering optimizations.

  • Designed and implemented a real-time usage analytics dashboard consumed by enterprise customers
  • Reduced Time to First Byte by 45% by migrating critical routes to React Server Components
  • Mentored 3 junior engineers, conducting weekly code reviews and pair programming sessions
  • Led migration of legacy REST endpoints to a type-safe tRPC API layer
ReactTypeScriptNext.jsPostgreSQLAWSPerformance
2022 Present

Full-Stack Engineer

Stripe·San Francisco, CA

Built internal tooling and merchant-facing features for Stripe's payment infrastructure. Worked across the stack from database schema design to polished React UIs.

  • Shipped the initial version of the Stripe Tax dashboard, used by thousands of merchants to manage compliance
  • Collaborated with design and product to rebuild the developer documentation portal using a headless CMS
  • Improved test coverage of core payment flows from 62% to 91% by introducing integration and snapshot testing
  • Participated in on-call rotation, resolving production incidents with p99 latency under 200ms
ReactRuby on RailsTypeScriptGraphQLMySQLDocker
2019 2022

Education

University of California, Berkeley

B.S. in Computer Science

Graduated with honors. Relevant coursework included Data Structures, Operating Systems, Distributed Systems, and Introduction to Machine Learning. Senior capstone project: a peer-to-peer file sharing application using consistent hashing for load distribution.

AlgorithmsSystems ProgrammingMachine LearningDistributed Systems
2015 2019