Senior WordPress Developer needed for our FMCG client in Glasgow for an initial 6-month contract. The right candidate must have extensive demonstrable experience in WordPress & PHP with deep knowledge of the WordPress core engine, strong API integration expertise, and a proven ability to deliver secure, scalable, and high-performance solutions.
This role is Outside IR35 and the majority of the time can be worked remotely, though there is a requirement for a minimum of two onsite visits per month to Glasgow for workshops.
Responsibilities will include developing, maintaining & optimizing custom themes, plugins & features using modern, scalable, secure WordPress practices and designing & implementing integrations between WordPress and external systems using REST APIs, webhooks, SDKs, and middleware. The right candidate must be a self-starter who can independently run WordPress audits, optimize performance and work closely with business stakeholders to prioritize changes aligned to business needs.
Key Experience required:
* Proven track record as a WordPress Developer, including running WordPress audits and optimizing performance.
* In-depth knowledge of WordPress core, including theme and plugin development.
* Strong experience with PHP, JavaScript, HTML5, CSS3, MySQL, and modern development tooling.
* Proven experience working with WP Engine or similar enterprise WordPress hosting platforms.
* Hands‑on experience with integrations using REST APIs, JSON, OAuth, JWT, and secure authentication flows.
* Experience implementing or maintaining payment integrations, ideally including Stripe, GoCardless, Apple Pay / Google Pay.
* Strong understanding of security best practices.
* Familiarity with Git workflows, CI/CD pipelines, and local dev environments.
* Demonstrated ability to assess a WordPress estate and identify optimization opportunities.
* Excellent problem‑solving skills and attention to detail.
* Ability to work collaboratively with technical and non‑technical stakeholders.
* Strong organizational skills, ability to prioritize effectively, and comfortable managing multiple tasks.
* Flexible, adaptable, and proactive in improving products and processes.
If your experience matches these requirements and you are available, please Apply Immediately!
Head Resourcing is committed to being an inclusive business where diversity is valued and celebrated. Diversity to us, includes but is not limited to educational background, socio‑economic background, neurodiversity, age, marriage and civil partnership status, veteran status, gender, gender identity, gender reassignment, sexual orientation, disability, religion or belief, race, and ethnicity. As such we welcome enquiries and applications from everyone. We will be happy discuss with you any workplace adjustments you need in order to be at your best during the recruitment process.
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