Top Talent like Zhan are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Zhan Xiu Wei

Frontend Developer
Wan Chai District, Hong Kong Island, HK
Javascript
TypeScript
Next.js
AngularJS
Front-End Development
Svelte
Vue.js
React
Available for hire fromNegotiable
Senior Frontend Engineer | React, Vue, Svelte, Angular , Chrome Extension, Scraping | Accessibility & performance champion
Senior Frontend Engineer with over 8 years of experience shipping complex, performant, and accessible web applications at scale. Specialized in building modular frontend systems, AI-assisted user interfaces, and DX-optimized architectures using React (Next.js/Remix), Vue (Nuxt 3), SvelteKit, and TypeScript. Led large-scale SPA-to-SSR migrations, integrated AI workflows with OpenAI/LangChain, and built design system components adopted across teams. Proven track record improving Core Web Vitals, accelerating frontend delivery pipelines, and aligning engineering execution with business KPIs. Experienced in cross-functional teams, CI/CD, and cloud-native deployments.

Work History

U

Senior Frontend Engineer

Universal YumsFull-time EmployeeJan 2023 - Jan 2025 • 2 yrs 1 mo•Spearheaded migration of a highly trafficked React SPA to Next.js 13 (App Router) with ISR + edge middleware, reducing Largest Contentful Paint (LCP) from 4.2s to 1.7s, and boosting organic search traffic by 30%. •Built a secure Chrome Extension (Manifest V3) to collect real-time pricing and inventory from competitors using Headless Puppeteer + OAuth, feeding into an internal BI dashboard (React + Chart.js) used by merchandisers to adjust pricing dynamically •Developed multilingual dynamic email templates with MJML + Handlebars, integrated with SendGrid’s template engine, achieving ~30% open rate and 9% click-through across 6 regional markets. •Introduced a visual testing pipeline with Percy + Cypress, catching >95% of visual regressions pre-merge, and reducing post-release UI bugs by ~60% over two quarters
C

Lead Frontend Engineer

Cook'dFull-time EmployeeJan 2021 - Jan 2023 • 2 yrs 1 mo•Re-architected Cook’d’s platform to Nuxt 3 + Nitro server engine (JAMstack model), implementing static generation + runtime data hydration, which improved page stability and SEO crawlability. •Engineered a real-time customer support interface using WebSockets (Socket.IO over Phoenix Channels), integrated with a context-aware FAQ AI assistant (OpenAI Completion API), reducing human ticket load by 40%. •Rolled out PWA features (offline fallback, smart caching via Workbox), resulting in a ~20% boost in retention for users in low-connectivity regions. •Championed accessibility audits with Axe + manual testing, enabling full WCAG 2.1 AA certification, and presented findings in org-wide UX reviews.
C

Full Stack Engineer

CortexFull-time EmployeeJan 2020 - Jan 2021 • 1 yr 1 mo•Built a real-time executive dashboard using Vue 3 Composition API + D3.js, processing 10M+ events/day from Kafka streams and surfacing alerts on SKU velocity and regional stockouts. •Created a reusable Svelte widget framework with dynamic slots and lifecycle hooks, integrated on over 40 partner e-commerce sites, generating $180K in referral revenue within 6 months. •Deployed a micro-frontend system (Webpack Module Federation) and orchestrated deployments with GitHub Actions + AWS EKS (Kubernetes) for scalable rollouts across product teams. •Facilitated monthly frontend tech talks, boosting team fluency in TypeScript, state machines, and performance profiling.
O

Web Developer

OutsizedFull-time EmployeeJan 2018 - Jan 2020 • 2 yrs 1 mo•Consolidated 5 disparate WordPress/Magento frontends into a unified Next.js monorepo (Nx), preserving critical SEO metadata and improving TTFB by 38%. •Led design and implementation of AMP for Email campaigns with real-time product personalization, improving open-to-click rates by 19%. •Used IntersectionObserver, responsive srcsets, and Cloudinary CDN to optimize media-heavy landing pages, reducing load times under 2s globally. •Built A/B test variants of checkout flows and exposed them to Google Optimize, identifying UI changes that improved conversion rates by 9%.

Education

H

Hong Kong Metropolitan University

Bachelor's degree, Computer Science2014 - 2017

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Senior Frontend Engineer | React, Vue, Svelte, Angular , Chrome Extension, Scraping | Accessibility & performance champion
Senior Frontend Engineer with over 8 years of experience shipping complex, performant, and accessible web applications at scale. Specialized in building modular frontend systems, AI-assisted user interfaces, and DX-optimized architectures using React (Next.js/Remix), Vue (Nuxt 3), SvelteKit, and TypeScript. Led large-scale SPA-to-SSR migrations, integrated AI workflows with OpenAI/LangChain, and built design system components adopted across teams. Proven track record improving Core Web Vitals, accelerating frontend delivery pipelines, and aligning engineering execution with business KPIs. Experienced in cross-functional teams, CI/CD, and cloud-native deployments.

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call

Top Talent like Zhan are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Zhan Xiu Wei

Frontend Developer
Wan Chai District, Hong Kong Island, HK
Javascript
TypeScript
Next.js
AngularJS
Front-End Development
Svelte
Vue.js
React
Available for hire fromNegotiable

Work History

U

Senior Frontend Engineer

Universal YumsFull-time EmployeeJan 2023 - Jan 2025 • 2 yrs 1 mo•Spearheaded migration of a highly trafficked React SPA to Next.js 13 (App Router) with ISR + edge middleware, reducing Largest Contentful Paint (LCP) from 4.2s to 1.7s, and boosting organic search traffic by 30%. •Built a secure Chrome Extension (Manifest V3) to collect real-time pricing and inventory from competitors using Headless Puppeteer + OAuth, feeding into an internal BI dashboard (React + Chart.js) used by merchandisers to adjust pricing dynamically •Developed multilingual dynamic email templates with MJML + Handlebars, integrated with SendGrid’s template engine, achieving ~30% open rate and 9% click-through across 6 regional markets. •Introduced a visual testing pipeline with Percy + Cypress, catching >95% of visual regressions pre-merge, and reducing post-release UI bugs by ~60% over two quarters
C

Lead Frontend Engineer

Cook'dFull-time EmployeeJan 2021 - Jan 2023 • 2 yrs 1 mo•Re-architected Cook’d’s platform to Nuxt 3 + Nitro server engine (JAMstack model), implementing static generation + runtime data hydration, which improved page stability and SEO crawlability. •Engineered a real-time customer support interface using WebSockets (Socket.IO over Phoenix Channels), integrated with a context-aware FAQ AI assistant (OpenAI Completion API), reducing human ticket load by 40%. •Rolled out PWA features (offline fallback, smart caching via Workbox), resulting in a ~20% boost in retention for users in low-connectivity regions. •Championed accessibility audits with Axe + manual testing, enabling full WCAG 2.1 AA certification, and presented findings in org-wide UX reviews.
C

Full Stack Engineer

CortexFull-time EmployeeJan 2020 - Jan 2021 • 1 yr 1 mo•Built a real-time executive dashboard using Vue 3 Composition API + D3.js, processing 10M+ events/day from Kafka streams and surfacing alerts on SKU velocity and regional stockouts. •Created a reusable Svelte widget framework with dynamic slots and lifecycle hooks, integrated on over 40 partner e-commerce sites, generating $180K in referral revenue within 6 months. •Deployed a micro-frontend system (Webpack Module Federation) and orchestrated deployments with GitHub Actions + AWS EKS (Kubernetes) for scalable rollouts across product teams. •Facilitated monthly frontend tech talks, boosting team fluency in TypeScript, state machines, and performance profiling.
O

Web Developer

OutsizedFull-time EmployeeJan 2018 - Jan 2020 • 2 yrs 1 mo•Consolidated 5 disparate WordPress/Magento frontends into a unified Next.js monorepo (Nx), preserving critical SEO metadata and improving TTFB by 38%. •Led design and implementation of AMP for Email campaigns with real-time product personalization, improving open-to-click rates by 19%. •Used IntersectionObserver, responsive srcsets, and Cloudinary CDN to optimize media-heavy landing pages, reducing load times under 2s globally. •Built A/B test variants of checkout flows and exposed them to Google Optimize, identifying UI changes that improved conversion rates by 9%.

Education

H

Hong Kong Metropolitan University

Bachelor's degree, Computer Science2014 - 2017

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Pangea empowers fractional work across the world for marketing and design roles.