Back End Developer (shopify)

Backend Engineer - Node.js / eCommerceManchester | £55,000 - £70,000 + bonus 4 days on site per weekI'm working with a rapidly growing online retail business looking for a backend-focused Node.js Engineer to help build the systems and integrations behind a high-volume eCommerce operation.This isn't a front-end JavaScript role.The focus is on the technology that sits behind the storefront: APIs, order flows, third-party integrations, logistics, fulfilment, payments, CRM/ERP and the wider systems required to run and scale an eCommerce business.You'll be working primarily with Node.js / TypeScript, building backend services and integrations and helping improve the architecture as the business continues to grow.You'll ideally have:Strong commercial Node.js / TypeScript backend experienceExperience designing and building APIs and system integrationsExperience working within eCommerce, retail or another high-volume transactional environmentAWS / serverless experienceExperience integrating third-party platforms and operational systemsStrong understanding of databases and data flowsExperience with Shopify / Shopify Plus would be a major advantage, particularly if you've worked on backend integrations rather than purely themes and storefront development.I'd also be particularly interested in experience integrating eCommerce platforms with:OMS / warehouse / fulfilment systemsCourier and logistics platformsERP / CRM platformsPayment providersInventory systemsYou don't need to be a Shopify specialist. The priority is strong backend engineering, with eCommerce domain knowledge being the differentiator.If you're a backend Node.js engineer who understands what happens behind the checkout, I'd be keen to hear from you.