Middle Shopify Engineer

Location: Worldwide
Reporting to: Head of Engineering 

Middle Shopify Engineer

🐕 About Us 

At Wuffes, we’re on a mission to improve pet health at scale, and we’re doing it at pace.

We are the fastest-growing pet health company in the world, building a high-performance, science-led business that’s redefining what premium pet care looks like. Our ambitions are big, our product range is driven by clinical efficacy, and we’re powered by a global team committed to raising the bar.

We expect excellence, act with urgency and care deeply about results, for our customers, our team and the business we’re building together. It’s a fast-moving, high-accountability environment where performance matters and impact is rewarded. If you’re looking for somewhere to challenge yourself, operate at pace and scale something special you’ll thrive here.

What You Can Expect

📊 Ownership at Scale - Whether you’re growing our brand, supporting customers or scaling operations, your work drives real results. You’ll be trusted to lead, take ownership and make an impact from day one.

🎯 High-Impact Work - We test fast, learn faster and kill what doesn’t improve the P&L.

🧠 High-Performance Culture - You’ll join a team of smart, driven operators who move fast and push for exceptional outcomes. We value ownership, ambition, and a bias for action

📈 Accelerated Career GrowthWe move fast, and so do our people. Delivering impact opens doors to new skills, fresh challenges and opportunities that match your ambition.

🐶 Impact-Driven Growth - We’re building a generational science-backed pet health brand, one that scales globally and improves the lives of pets and their people.

🚀 Your Role in the Pack:

As Middle Shopify Engineer, you’ll help scale and optimise our DTC storefronts through clean, high-performance code and smart experimentation. You’ll own front-end delivery across key site experiences, shipping fast, iterating often and obsessing over both speed and stability.

This is a hands-on role for a proactive developer who thrives in fast-moving environments. You’ll work closely with Product, Growth and Creative to bring conversion-driven ideas to life while ensuring technical quality and smooth UX across all devices.

📒 Your Responsibilities

  • Build Modular Shopify Components – Develop scalable, responsive Shopify OS 2.0 sections using clean, reusable code
  • Optimise Site Speed & Performance – Own theme performance and implement strategies to improve load times, stability and Lighthouse scores
  • Integrate APIs & Custom Logic – Power the storefront with dynamic content, third-party integrations and business-specific features
  • Maintain Technical Quality – Conduct code reviews, QA your work, and uphold front-end best practices
  • Own Your Workstreams – Deliver features from brief to deployment with minimal hand-holding and high accountability
  • Collaborate Across Functions – Work tightly with design, product, growth and creative to ship impactful UX and UI updates
  • Iterate Fast – Launch, test, and refine components quickly, bringing an experimentation mindset to development

🧠What You Bring

  • 3+ years of front-end or full-stack experience, with a strong focus on Shopify
  • Deep experience with HTML, CSS, JavaScript, and Liquid templating
  • Proficiency in Shopify Online Store 2.0, including Dawn-based or custom themes
  • Understanding of performance optimisation, from lazy loading to efficient asset management
  • Familiarity with Git workflows and modern dev tools
  • Strong communication and documentation skills
  • A commercial mindset – you understand how code impacts conversion, UX and business metrics
  • Bonus: Exposure to modern frameworks (React, Angular), headless Shopify builds or working within DTC growth teams