Senior CMS Developer (WordPress & Shopify)

We are seeking a Senior CMS Developer with extensive full-stack expertise in both WordPress and Shopify ecosystems. In this role, you will be responsible for designing and developing custom themes, extending platform functionality through plugins and custom applications, and optimizing client-facing websites for performance, scalability, and conversion. You will collaborate closely with cross-functional teams to ensure that UX/UI designs are translated into clean, standards-compliant code while maintaining the health of stores and third-party integrations.

Key Responsibilities

- Architect, develop, and maintain production-ready custom themes and templates from the ground up for WordPress (Full Site Editing, PHP) and Shopify (Liquid, Theme App Extensions, Sections Everywhere).
- Create custom WordPress plugins and integrate third-party APIs, webhooks, and headless endpoints across both platforms.
- Implement tailored checkout and cart logic, subscription workflows, and product bundle solutions using Shopify Functions and the Storefront API.
- Optimize website performance to achieve and maintain high Core Web Vitals scores (LCP, CLS, INP) through techniques such as code splitting, caching strategies, and asset optimization.
- Conduct audits and resolve platform-level security vulnerabilities, API rate limiting issues, database bottlenecks (MySQL), and conflicts arising from third-party applications.
- Manage multi-environment CI/CD deployment pipelines, version control using Git, and staging/production rollouts with minimal downtime.
- Collaborate with UI/UX designers and technical leads to convert complex Figma prototypes into performant, accessible code compliant with WCAG 2.1 AA standards.

Required Qualifications

- Minimum of 3 years of hands-on full-stack development experience specializing in WordPress and Shopify.
- Expertise in modern PHP (version 8.x), MySQL, WordPress hooks and filters lifecycle, REST API, and custom post type architecture.
- Deep understanding of Shopify’s modern architecture including Liquid templating, JSON templates, Shopify CLI 3.x, Theme App Extensions, and GraphQL Admin and Storefront APIs.
- Advanced front-end skills with vanilla JavaScript (ES6+), modern CSS frameworks such as Tailwind, and build tools like Vite or Webpack.
- Proven experience diagnosing and resolving Core Web Vitals performance regressions on content-heavy and e-commerce websites.
- Strong knowledge of headless CMS integrations, REST/GraphQL endpoints, and secure API handling.
- Proficient with Git branching workflows, local development environments (Docker, LocalWP, Shopify CLI), and deployment pipelines.

Preferred Qualifications and Benefits

- Provident Fund contributions.
- Annual paid leave entitlement.
- Annual salary increments.

This position is currently remote due to existing work arrangements but is intended as a full-time onsite role. Office hours are from 9:00 AM to 6:00 PM. The work location is based in DHA 2, Main G.T Road, Rawalpindi, Pakistan. The monthly salary range for this role is Rs100,000 to Rs130,000.

This opportunity is ideal for a developer who thrives in a dynamic environment, enjoys working with cutting-edge CMS technologies, and is committed to delivering high-quality, scalable web solutions.