Alex Lin// 林子轩
summary
Senior Frontend Engineer with 6+ years of experience architecting high-traffic SaaS and web applications. Deep expertise in React/Next.js ecosystems and TypeScript. Proven track record in micro-frontends, Core Web Vitals (LCP/INP) optimization, and enterprise Design System governance.
stack
experience [2]
- Led frontend architecture overhaul for enterprise analytics platform using Next.js & Turbopack, slashing LCP from 3.4s to 0.82s (76% improvement)
- Built unified Design System with Tailwind CSS & Web Components across 12 product lines, cutting duplicated code by 40% and shortening delivery cycles by 30%
- Architected Micro-frontend migration via Module Federation, enabling independent deployments across 6 apps and cutting HMR reload from 45s to 3s
- Implemented end-to-end frontend monitoring & telemetry, lowering runtime error rate from 0.18% to 0.01%
- Spearheaded core e-commerce checkout flow optimization, reducing interaction jank by 65% with virtualized lists and Service Worker caching
- Designed CI/CD quality gate with Biome, Playwright, and bundle analysis, reducing bundle size by 42% and preventing regression bugs
- Enforced strict TypeScript coverage across 80+ critical endpoints, eliminating client-side undefined type errors
projects [2]
Real-time collaborative editing platform built on CRDT (Yjs) & Tiptap. Supports 50+ concurrent editors with sub-50ms latency. Over 2.8k GitHub stars.
Automated CLI for evaluating Core Web Vitals and WCAG 2.1 compliance. Integrates with CI/CD to prevent performance regression.
