Mid-Level Full-Stack Shopify Engineer (Growth Accelerator)

Swanky is a Shopify Platinum Partner agency. We design, build and grow Shopify Plus stores for brands across the UK, Europe and beyond. Our work spans new builds, complex platform migrations, and ongoing optimisation for established merchants.

About the Role

This role sits within our Growth Accelerator division, where we work on retainer with a handful of key Shopify Plus accounts. The work is iterative and ongoing: performance optimisation, complex modular sections and components, checkout extensions, middleware integrations and continual improvement. You'll get to know your clients' stores deeply and deliver work that compounds over time.

You'll need to be comfortable working across the full stack, from Liquid templates and frontend JavaScript through to server-side logic, APIs and data flows. The work is deadline-driven, with multiple accounts running concurrently, so you'll need to track your time accurately, communicate clearly with clients, and tak...