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Shopify Developer

Job in Greater London, London, Greater London, EC1A, England, UK
Listing for: Big Ideas Social Media, Inc.
Full Time position
Listed on 2026-01-13
Job specializations:
  • IT/Tech
    Web Developer, UI/UX Design
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

We are seeking a highly technical and strategic remote

Shopify Developer to join our client’s web development team. This is a pivotal role focused on high-level architecture rather than simple maintenance. You will be responsible for auditing a large ecosystem of Shopify stores to identify inefficiencies, reducing reliance on third-party applications, and architecting a unified, reusable theming solution to be deployed across multiple storefronts.

The ideal candidate is an expert in the Shopify ecosystem, possessing deep backend knowledge of Shopify APIs, Checkout Extensibility, and private app development.

This is a full-time, contractual, freelancer position for a trial period of 3 months while working  you are a highly motivated and detail-oriented individual with experience and qualified based on the criteria below, we encourage you to apply.

JOB DESCRIPTION 1. Strategic Architecture & Unified Theming

Theme Architecture:
Lead the design and build of a unified, highly modular, and reusable theming solution to be deployed across a multi-store environment.

Theme Standardization:
Review existing store themes to assess limitations and maintainability, ensuring the new architecture solves previous performance bottlenecks.

Code Reusability:
Create a "write once, deploy many" workflow where possible, ensuring updates can be managed efficiently across the portfolio.

2. App Ecosystem Audit & Optimization

Third-Party App Rationalization:
Conduct a comprehensive audit of third-party apps across all stores. Identify redundancies, security risks, and significant cost-saving opportunities by removing unused or inefficient apps.

In-House Development:
Proactively identify opportunities to replace third-party apps with custom-built solutions (private apps or native theme features) to reduce bloat and recurring costs.

Performance Optimization: rigorous refactoring of code to improve Core Web Vitals and overall site speed.

Custom App Development:
Build and maintain bespoke/private Shopify apps to handle complex business logic that standard themes cannot support.

Security & Access Control:
Audit and standardise user permissions across the multi-store setup to ensure strict security compliance and best-practice access control.

API Integration:
Utilize Shopify APIs and Scripts to enhance functionality and streamline operations.

Team Alignment:
Work closely with the Head of Web Development and other senior developers to ensure architectural alignment.

Mentorship & Standards:
Enforce high code quality standards through code reviews and documentation.

Checkout Extensibility:
Manage and customize the checkout experience using Shopify’s latest Checkout Extensibility features.

Tools, access and licenses will be provided by the client.

Any other miscellaneous duties and responsibilities related to the above.

Requirements
  • EDUCATION
    Bachelor’s degree preferably in Computer Science, Computer Engineering or related field
  • EXPERIENCE

    Experience:

    At least 3 years of web development experience, with a significant portion dedicated specifically to the Shopify ecosystem.
  • Shopify Plus:
    Experience working with Shopify Plus environments, specifically managing multiple stores or international expansion stores.
  • Optimization: A strong track record of theme refactoring and performance optimization (speed, SEO, and accessibility).
  • REQUIRED CORE SKILLS
    Shopify Mastery:
    Advanced expertise in Shopify backend development, Shopify CLI, Liquid templating, and Checkout Extensibility.
  • App Development:
    Proven experience building bespoke/private Shopify apps (knowledge of Node.js, React, or Remix within the Shopify context is essential).
  • Online Store 2.0:
    Deep understanding of JSON templates, app blocks, and modular theme structures.
  • Version Control:
    Proficiency with Git and strict version control workflows.
  • OTHERS
    Willing to take a practical exam to test coding and technical skills
  • Willingness to adjust to foreign time zone shifts and take graveyard shift
  • Has his/her own laptop or desktop computer capable of running software required for the job, headphones, and a decent Internet connection capable of doing voice and video calls.
  • Has a quiet and distraction free work…
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