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I will build custom shopify app, theme extension, or remix web application
Dingyuan L
About this gig
Looking for a high-performance custom Shopify App or Theme Extension built with modern Web Components and Remix? You are in the right place!
I build zero-latency, high-converting Shopify apps and OS 2.0 Theme Extensions that enhance your store without sacrificing page load speed.
WHAT I OFFER:
Custom Shopify Embedded Apps (Remix.js & React)
Theme App Extensions & App Blocks (OS 2.0 Compatible)
Zero-Latency Edge Caching (Cloudflare Workers, D1 & KV)
Real-time Webhook Synchronization & Data Engines
Custom Merchant Admin Dashboards & UI
Web Component Architecture with Shadow DOM Styling Isolation
WHY WORK WITH ME?
Clean, Maintainable, Production-Ready Code
100% Theme Speed Optimization (<10ms Response Times)
0 Code Residuals on Theme Uninstall
Clear Communication & On-Time Delivery
Let's build a standout Shopify application for your store. Feel free to send me a message before placing an order!
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Dingyuan L
Dingyuan L
Senior Full Stack Engineer
- FromNew Zealand
- Member sinceJun 2026
Languages
English, Chinese
I’m a Senior Frontend / Full Stack Engineer with 10+ years of experience building scalable web and mobile applications across fintech, e-commerce, and real estate domains. I specialize in React.js, Next.js, and TypeScript, with strong experience across frontend architecture, backend services, and mobile development. I focus on building scalable UI systems and reusable component libraries.
My Portfolio
Other Website Development Services I Offer
FAQ
Will installing the App Block slow down my Shopify store?
No! We utilize Web Components and Cloudflare Workers KV edge caching to ensure sub-10ms response times with zero theme bloat.
Is this compatible with OS 2.0 themes like Dawn?
Yes, all extensions are built using native Shopify App Blocks and Theme Extensions for OS 2.0 themes
Do you offer custom backend database integrations?
Yes, I build full-stack apps with serverless databases (Cloudflare D1 / SQLite) and real-time Webhook engines.
