Technical Lead - Shopify

Technical Lead - Shopify - Enfield - Contract

6 month contract duration

Outside IR35

Due to the nature of this project, our customer is seeking a candidate who can work onsite 3 or more days per week.

We are seeking a hands‑on Technical Lead to act as the technical design authority for our leading customer based in Enfield, London. You will own platform changes and integrations, define and sign off solution architecture, and work closely with third‑party suppliers to validate designs and ensure architectural alignment. The ideal candidate will bring strong Shopify architecture experience, ideally gained within a retail environment and will thrive on a fast‑paced project while maintaining delivery timelines.

• Sign off Shopify + Contentful + One Stock architecture
• Own the API and integration strategy, ensuring seamless connectivity across eCommerce, retail and third‑party systems while maintaining architectural integrity and performance
• Work closely with SI to validate design decisions
• Protect long‑term scalability and avoid technical debt
• Oversee integrations:

• Shopify
• One Stock OMS
• Contentful
• POS / tills
• KDS
• Delivery platforms
• Payment gateways

• Define failover and recovery strategies across integrations and third‑party platforms to protect customer transactions and operational continuity
• Oversee performance & load readiness
• Support phased rollout across 350+ locations

• Senior Shopify architecture experience
• OMS implementation experience (One Stock desirable)
• Previous experience working in a multi‑site retail/hospitality environment
• Proven experience in a client‑side role, collaborating effectively with SI partners
• Experienced in managing stakeholders and partners across all levels of the organisation – including director‑level

Harvey Nash is acting as an employment agency regarding this vacancy