100+ clients served
Your partner for
  1. Shopify builds
  2. Headless stores
  3. Site speed
Custom e-commerce engineering that helps brands grow faster
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Our approach: Simple, efficient, built on best practices

Shopify

Shopify Partner for build, launch and growth

What we cover

  • Integrations: payment gateways, shipping carriers and multiple payment methods for a secure, fast checkout and fulfillment flow.
  • Marketing support: SEO, social integrations and campaign execution that build reach and organic traffic.
  • Store design: themes tailored to your brand, tuned for every device, so your store stands out.

Expert technical support

  • We know Shopify's architecture and APIs inside out, respond fast to issues and keep your store running.
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Storefronts

Custom storefronts on open-source commerce frameworks

Custom storefronts, tailored at every layer.

  • Modular design with zero commission. You keep your revenue.
  • Self-hosted deployment for stronger data security and control.
  • Multi-language and multi-currency, with integrations built in.

Built for brands selling worldwide.

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Site speed

Web performance experts

We find the real bottlenecks and improve response time and stability.

  • Asset compression, lazy loading and CDN delivery for faster loads.
  • HTTPS hardening, XSS protection and CSP to protect data and privacy.
  • Cleaner structure and semantics for accessibility on every device.

PageSpeed and Lighthouse analysis, plus a tailored plan to lift conversion.

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About FXTech

Engineering for cross-border e-commerce

FXTech (Shenzhen Feixing Keyao Technology Co., Ltd.) is a Shenzhen agency and Shopify Partner. We build Shopify Plus stores, headless storefronts, faster sites and VAT systems for global brands.

E-commerce clients served
100+
Core engineers' web experience
10+ years
Building DTC storefronts
5+ years
Official Partner
Shopify

How we work

Clear steps from brief to launch

  1. 01

    Discovery

    We learn your goals, markets, current systems and budget, and define the core problem to solve.

  2. 02

    Proposal and quote

    We recommend a stack (Shopify or open source), set scope, milestones and a quote, and start once you approve.

  3. 03

    Design and development

    We ship by milestone, with regular demos and your sign-off at key points.

  4. 04

    Testing and launch

    Functional, cross-device, performance and SEO checks, then we monitor core metrics after launch.

  5. 05

    Ongoing support

    Fixes, new features and performance tracking as your business grows.

FAQ

Common questions about FXTech and how we work.

What kind of company is FXTech?

FXTech (Shenzhen Feixing Keyao Technology Co., Ltd.) is a Shenzhen e-commerce engineering agency and Shopify Partner. We help cross-border sellers and global brands with Shopify / Shopify Plus development, headless DTC storefronts, web performance optimization and cross-border VAT compliance systems.

Who are your clients?

Mostly cross-border sellers and global brands, from early-stage DTC stores to established brands that need custom systems. We have served 100+ clients in fashion, beauty, electronics and home goods.

Should I build on Shopify or an open-source storefront?

If you want to launch fast, run lean and your processes fit the Shopify ecosystem, Shopify / Shopify Plus is usually better. If you need more control over the shopping experience, workflows, data or platform fees, consider a headless storefront on MedusaJS or similar. We recommend based on your stage and team.

Can you optimize performance without rebuilding the site?

Yes. Performance optimization is a standalone service. We set a Core Web Vitals baseline (LCP, INP, CLS, TTFB), find the bottlenecks, optimize images, JavaScript, CSS, caching and CDN on your existing site, and track metrics before and after. It works for Shopify stores and custom sites.

How do we get started, and how is pricing set?

Reach us by Telegram, email or phone on the contact page. We discuss your goals and current setup, then send a proposal and quote based on scope. Customization varies widely between projects, so we do not offer fixed packages.

Do you work in English and with overseas teams?

Yes. We work in Chinese and English and collaborate remotely with overseas operations, design and engineering teams.

Ready to start your project?

Get a proposal