Henry Yim
@henryyim
Senior Shopify developer driving high-converting, scalable e‑commerce.
What I'm looking for
I am a conversion-driven Shopify specialist with 8+ years building high-performance storefronts, apps, and headless architectures for global markets. I lead end-to-end delivery—discovery, solution design, implementation and CI/CD—improving Core Web Vitals by 30% through targeted optimizations, enabling Markets/B2B expansion, and automating operations with Flow, Functions and third-party platforms.
I have deep expertise in Shopify Plus, Hydrogen/Remix and Online Store 2.0, plus Admin & Storefront APIs, Checkout Extensibility and Theme/App Extensions. My work includes migrations, private/public apps, multi-currency/market setups, payments/logistics integrations, and analytics-driven CRO that consistently lifts conversion and reduces release cycle time.
Experience
Work history, roles, and key accomplishments
Senior E-Commerce Developer
Wick Creative
Feb 2024 - Apr 2025 (1 year 2 months)
Led Shopify Plus builds and migrations, delivering 6+ storefronts and achieving an average 28% conversion uplift through IA improvements, faster PDPs/PLPs, and CRO experiments; improved LCP/INP and reduced page load ~40% via headless architectures and edge rendering.
Ecommerce Developer
Forloh
Apr 2024 - Aug 2024 (4 months)
Delivered a Shopify storefront with advanced faceted search and taxonomy, built a Python Admin-API data pipeline for thousands of SKUs with webhook-driven near real-time sync, and improved Core Web Vitals by ~35%.
Lead Shopify Developer
Trennder Agency
May 2022 - Jan 2024 (1 year 8 months)
Led theme development and bespoke app builds for Shopify/WOOCOMMERCE, integrated subscriptions, UGC, and search systems, and automated catalog/order operations to reduce manual errors while improving SEO and performance.
Full Stack Developer
Punch
Oct 2020 - Apr 2022 (1 year 6 months)
Customized Shopify and regional CMS platforms, integrated Japan-specific payments (Konbini/PayPay/Paidy), introduced Next.js modular architecture for multi-brand rollouts, and refactored services to achieve 30%+ faster server responses.
Frontend Developer
Moni Group
May 2017 - Jul 2020 (3 years 2 months)
Built a responsive React marketplace frontend, created a Storybook UI component library to accelerate theme/UI work, and supported analytics-driven UX iterations that increased mobile session duration by ~40%.
Education
Degrees, certifications, and relevant coursework
The University of Hong Kong
Bachelor of Science, Computer Science
2012 - 2016
Completed a Bachelor of Science in Computer Science with coursework in software development, web technologies, and systems.
Tech stack
Software and tools used professionally
Postman
BrowserStack
GitHub
GitLab
Cloudflare
GitLab CI
MySQL
PostgreSQL
Shopify
WooCommerce
Node.js
Next.js
Tailwind CSS
Google Analytics
Mixpanel
Figma
Slack
Jira
React
JavaScript
Python
HTML5
CSS 3
PHP
F#
HubSpot
ent
PayPal
Trello
GraphQL
Firebase
AWS Lambda
Vercel
Netlify
TypeScript
React Testing Library
sso
Multipass
Zapier
Storefronts
Box Platform
BigCommerce
Hotjar
Airtable
Klaviyo
Availability
Location
Authorized to work in
Portfolio
shopify-pro-henry.vercel.appSalary expectations
Social media
Job categories
Skills
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