Available for new work

Shopify developer
based in Leeds.

I build fast, conversion-focused Shopify stores for brands that want more than a template. Custom themes, seamless checkouts, and ongoing development — done properly.

Start a project See my work →
Jack Ellis — Freelance Shopify Developer
Selected clients The Couture Club
Gym King
Kingsbarns Distillery
Shopify Theme Development Custom Liquid Checkout Optimisation Store Builds Speed & Performance API Integrations Conversion Rate Optimisation Shopify Plus

About me

Jack Ellis

I help brands build Shopify stores that actually convert.

I'm a freelance Shopify developer based in Leeds. I build stores that are fast, clean, and built to sell — not just look the part. Custom Liquid, JavaScript, HTML, and CSS, tailored to what your brand actually needs.

I've worked with brands like The Couture Club, Gym King, and Shopify Plus agency Statement. That experience gave me a clear picture of what separates a store that performs from one that just exists.

44%
Conversion uplift for Gym King post-relaunch
3+
Industry-leading brands delivered
5+
Years working in Shopify development
∞
Cups of coffee consumed in the process

What I do

End-to-end Shopify development, done properly.

Theme Development

  • Full theme builds & redesigns
  • Custom sections & layouts
  • Speed optimisation & bug fixes
  • Ongoing maintenance & updates

Checkout & Conversion

  • Custom checkout UI & branding
  • Express checkout setup
  • Payment gateway integrations
  • Post-purchase upsells
  • Conversion rate optimisation

Store Processes

  • API & app integrations
  • Automated workflows (Shopify Flow)
  • Scalable inventory management
  • Order management systems

Brands I've helped succeed

The Couture Club
Gym King
Kingsbarns Distillery

Jack hit the ground running from the first day he walked in the door at Gym King. He delivered a huge project within the first 6 months alongside a small team. That project elevated the brand and delivered ground-breaking results. He's a real credit to any team.

Ben Stead Ecommerce Manager, Gym King
44%
Conversion rate uplift post-relaunch

Let's build the store your brand deserves.

Most stores are slower, harder to manage, and less profitable than they should be. Whether you need a new build, a faster site, or a checkout that converts — I'm here for it. Let's talk.

jackdavidellis@gmail.com →