Job Description: Shopify Frontend Developer (CRO & Performance Focus)
Location: UK
Employment Type: Full-Time - In House
Company: Floor Street
About Floor Street
We're Floor Street, one of the UK's fastest-growing interior brands and a leader in redefining how people buy flooring online.
One of The Sunday Times Top 100 Fastest-Growing Companies (2025), with over 65% average annual growth, we've doubled revenue year after year and are now on track to break new records in 2026.
We started in 2019 with nothing but grit. Fast forward a few years, and we've built a national brand trusted by thousands of customers and loved for doing things differently. Our mission is to help everyday people transform their homes faster, simpler, better, and for less. We will do this by adhering to our values: innovate, simplify, educate, and empower. By doing this, we will deliver the world's best online flooring experience and make the online flooring buying experience a delight for our customers.
Our Culture
We're not a normal company, and this isn't a normal team.
We move with urgency, focus, and pride. Everyone here is expected to raise the bar, take ownership, and move fast. We set high standards because we believe exceptional teams build exceptional companies.
There's no ego here. Just discipline, creativity, and care for the mission. We share information openly, make decisions based on truth and data, and treat customers like family.
We're here to innovate and set new standards for an old industry, to show what happens when craftsmanship meets technology, and passion meets purpose.
This is a place for people who want to win, not for the sake of a title, but to create real impact, build something meaningful and long-lasting, and grow fast in the process.
There are no paths for us to follow, so we build new ones for others to use and follow.
And if we move forward together, success will take care of itself.
Role Overview
The Role
We're hiring a Shopify Frontend Developer to take ownership of conversion, UX performance, and frontend execution across our ecommerce platform.
This role exists for one reason:
To increase revenue per visitor.
You will work directly with the Founder and Head of Technology to turn insight into high-performing frontend execution.
If the site feels slow, clunky, unclear, or under-optimised — it's your job to fix it.
What Success Looks Like
• Conversion rates consistently improving
• Cleaner, faster product and collection pages
• Reduced friction across the customer journey
• Stronger AOV and assisted conversion performance
• Page speed and Core Web Vitals improving
• Experiments being tested, measured, and refined
What You'll Own
Conversion & UX Optimisation
• Improve conversion rates across PDP, collection and cart pages
• Reduce friction in navigation, filtering, and layout
• Translate UX insights into high-performing frontend builds
• Support and implement A/B testing experiments
Shopify Development
• Develop and optimise Shopify themes (Liquid / OS 2.0)
• Implement and customise Shopify apps
• Manage app blocks & extensions
• Ensure clean, scalable frontend architecture
• Build reusable UI components
Performance & Technical Execution
• Improve page speed and Core Web Vitals
• Audit and reduce performance impact from apps
• Maintain high-quality HTML, CSS and JavaScript standards
• Support frontend improvements using React where appropriate
Growth & Commercial Collaboration
• Work closely with marketing on CRO experiments
• Interpret analytics and UX data
• Suggest improvements proactively
• Think commercially — not just technically
Required Experience
• Strong Shopify theme development experience
• High proficiency in Liquid
• Excellent HTML, CSS and JavaScript skills
• Strong understanding of ecommerce UX
• Familiarity with Shopify app ecosystem and integrations
• Experience improving frontend performance
Bonus Experience
• React
• CRO tools (Hotjar, GA4, A/B testing platforms)
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• Experience working with growth or performance marketing teams
Who This Is For
You are someone who:
• Thinks in terms of conversion, not just code
• Cares about clean UI and detail
• Understands ecommerce psychology
• Is proactive and improvement-focused
• Wants ownership, not ticket-driven work
• Wants to grow into a senior position
Why Join Floor Street
• High-growth ecommerce brand with serious ambition
• Direct access to the Founder and decision-makers
• Real ownership of conversion performance
• No corporate red tape
• Opportunity to shape the frontend properly from the ground up
• Clear progression into a senior role as we scale
• Company-wide performance bonus scheme
• Private healthcare
• Free onsite gym
• Onsite prayer room
• Games and breakout areas
• Regular team events and activities
• Office-based collaborative environment
• Be part of building a £100m+ ecommerce brand
This isn't a maintenance role.
It's a growth role.