Conversion-driven Shopify specialist with 8+ years building high-performance storefronts and apps across global markets.

Henry Yim

Conversion-driven Shopify specialist with 8+ years building high-performance storefronts and apps across global markets.

Available to hire

Conversion-driven Shopify specialist with 8+ years building high-performance storefronts and apps across global markets.

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Senior E-Commerce CMS Developer at Wick Creative
April 1, 2025 - October 7, 2025
Led Shopify Plus builds and migrations; delivered 6+ storefronts with average 28% conversion uplift through cleaner IA, faster PDPs/PLPs, and CRO experiments. Implemented headless Shopify (Hydrogen/Next.js); improved LCP/INP and reduced page load ~40% via edge rendering, image/CDN strategy, and code-splitting. Stood up Shopify Markets for EU/APAC: localized domains, price lists, duties, and translations; integrated multi-currency checkout. Built private apps for subscriptions, loyalty, and shipping quoting using Admin GraphQL, Webhooks, and App Bridge; hardened with JWT/OAuth, rate-limit guards, and retries. Rolled out Checkout Extensibility (UI Extensions & Functions) for upsells, delivery options, and tax/discount logic; increased AOV via targeted post-purchase offers. Integrated Stripe/PayPal and ShipStation/EasyPost; stabilized order webhooks and fulfilment SLAs. Deployed analytics stack (GA4 + GTM + Mixpanel + Hotjar); codified CRO playbooks and ran A/B tests yielding +12–15% PD
Ecommerce Developer at Forloh
August 1, 2024 - October 7, 2025
Delivered a Shopify storefront from scratch with advanced faceted search and technical category taxonomy for faster product discovery. Built a Python + Admin API data pipe to scrape/sync thousands of SKUs (inventory, pricing, media) and reconciled variants via metaobjects; near real-time updates with webhook triggers. Launched SEO-first landing experiences and improved Core Web Vitals by ~35% (LCP/CLS). Implemented payments (Stripe/PayPal), analytics dashboards, and lightweight enablement docs for internal teams.
Lead Shopify & WooCommerce Developer at Trennder Agency
January 1, 2024 - October 7, 2025
Led theme development/customization (OS 2.0 sections, metaobjects) and built bespoke apps to extend PDP, bundles, and gated B2B pricing. Integrated third-party systems (subscriptions, reviews, UGC, search/merchandising) and stabilized checkout flows across markets. Automated catalog and order ops with Zapier/Make/Mechanic; reduced manual ops and errors. Drove SEO + performance (schema, image strategy, render budget), lifting organic sessions and ranking for key commercial queries.
Full Stack Developer at Punch
April 1, 2022 - October 7, 2025
Customized Shopify and regional CMS platforms; integrated Japan-specific payments (Konbini/PayPay/Paidy) and localized checkout experiences. Introduced Next.js modular architecture for multi-brand rollouts; improved dev velocity and time-to-market. Refactored Node/PHP services for 30%+ faster server responses; implemented monitoring with AWS CloudWatch and CI/CD via GitLab.
Frontend Developer at Moni Group
July 1, 2020 - October 7, 2025
Built a responsive React marketplace frontend and integrated Shopify components/APIs where relevant for campaigns and microsites. Created a UI component library (Storybook) to speed theme/UI work; supported analytics funnels and heatmap-driven UX iterations (mobile session duration +40%).

Education

Bachelor of Science in Computer Science at University of Hong Kong
January 1, 2012 - January 1, 2016

Qualifications

Shopify Partner Academy Certification
January 11, 2030 - October 7, 2025
AWS Certified Solutions Architect – Associate
January 11, 2030 - October 7, 2025
Google Analytics Certification (GA4 & Universal Analytics)
January 11, 2030 - October 7, 2025
Certified ScrumMaster (CSM)
January 11, 2030 - October 7, 2025
React.js (Advanced Frontend Development)
January 11, 2030 - October 7, 2025
Python for Everybody Specialization
January 11, 2030 - October 7, 2025
SEO Certification – HubSpot
January 11, 2030 - October 7, 2025
Zapier Certified Expert
January 11, 2030 - October 7, 2025

Industry Experience

Software & Internet, Retail, Professional Services, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
See more

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