Faster, steadier Shopify stores. Built by one person, start to finish.
No account managers, no handovers. You work with the person doing the work.
- 0+
- years on Shopify and Shopify Plus
- 0+
- years in web development
- 0
- point of contact, brief to launch and after
- Live
- Performance Audit app on the Shopify App Store
Find what's costing you sales, fix it, and measure it.
Your store is slow, unstable or losing sales, or it's time for a rebuild or a move to Shopify. I find what's holding it back, fix it, and show you the results.
Senior Shopify capacity, without the hiring overhead.
You need senior Shopify capacity without another hire. White-label, NDA-ready, working inside your tools and process.
Same person from the first call to the last deploy.
I find what's holding the store back, fix it, and show you what changed. Brands and agencies get the same standard — no layers between you and the work.
Results that stay with you.
Outcomes from performance fixes, monitoring, and senior delivery — not just launches.
−88%
homepage layout shift
Specialist Retail · Performance & optimisation
Layout Shift Remediation
Homepage layout shift cut by 88% on mobile, and product pages brought into Google’s “good” range.
1 week
error spike diagnosed & cleared
Homeware · Monitoring & QA
Error Spike Diagnosis & Monitoring
A 160% spike in JavaScript errors traced, fixed and confirmed clear within a week.
Senior
governance for a global brand
Entertainment · Technical support
Technical Governance & Support
Technical governance and support for a high-profile global brand’s store, covering process, standards and delivery.
Services
What I do
Builds, performance and optimisation, migrations and integrations. If it runs on Shopify, I can help.
The interesting work starts when the standard setup isn't enough — and you need someone who can find the issue, fix it, and show you the result.
All servicesTheme Builds
Bespoke Shopify 2.0 themes—from scratch or heavily customised. Modular, maintainable, no template lock-in.
Performance & optimisation
Audits, layout-shift and Core Web Vitals fixes, plus behaviour and error monitoring. Faster pages, fewer drop-offs.
Migrations
Move from WooCommerce, Magento, or BigCommerce. Data, redirects, and themes handled.
Integrations
Klaviyo, Recharge, upsells, loyalty and app blocks, installed, styled and wired up cleanly.
No account managers. No handovers. Senior Shopify work from the person who ships it.
Brief to launch and after — one point of contact who makes the calls and does the work.
About
Hi, I'm Warren.
I build and optimise Shopify stores for brands that want their storefront to work harder. I've been in web development for over 16 years, and Shopify has been my focus for the last 8.
More about meHave a project in mind? Let's talk.
Shopify specialist for brands and agencies. One person from brief to launch and after.
hello@builtbytom.uk