User Experience Designer jobs in United Kingdom

We are looking for a talented Web Developer with strong experience across WordPress, WooCommerce and Shopify. You will build and customise websites using existing themes and frameworks, adding integrations, ecommerce setups and light bespoke functionality where needed.

Sierra Six Media is a Drum Recommends digital marketing agency based in Billericay, Essex. We deliver websites, branding, SEO and PPC for UK clients.

We welcome and actively support individuals of all neurotypes, including those with autism, ADHD and other neurodivergent conditions. We value the strengths they bring to our team.

Location: Hybrid, Billericay, Essex
Salary: £30,000 to £50,000 depending on experience

• Build WordPress and Shopify websites with confidence using WooCommerce where required.
• Adapt themes and frameworks to match brand styles and functional needs.
• Configure essential plugins, apps and integrations.
• Set up product structures, catalogues, payments, shipping and delivery systems.
• Carry out product uploads, content updates and full ecommerce setup across platforms.
• Translate design direction from our brand designer into clean, responsive builds.

• Support launches, migrations, hosting tasks, DNS changes and backups.
• Implement theme changes, new templates and custom front end functionality.
• Maintain, update and optimise existing WordPress, Shopify and WooCommerce sites.
• Deliver ongoing support and monthly maintenance for assigned clients.

• Optimise sites for speed, SEO, accessibility and mobile performance.
• Improve Core Web Vitals by refining code, reducing asset sizes and improving load behaviour.
• Troubleshoot issues, apply fixes and ensure consistent stability.
• Ability to diagnose and resolve plugin conflicts, theme issues, and compatibility problems.

• Work across client projects while supporting internal builds and improvements.
• Collaborate with designers, Account Managers and the SEO team to create smooth user experiences.
• Implement tracking codes and scripts using GA4, GTM and custom events.
• Manage tasks through Trello and Basecamp.
• Stay up to date with platform changes, coding standards and best practice.

• Able to travel to the Billericay office three days per week.
• Proven experience building websites, supported by a portfolio.
• Confident using WordPress, Shopify and WooCommerce.
• Comfortable handling hosting environments, DNS and migrations.
• Experience with theme customisation, plugin management and troubleshooting.
• Experience implementing GA4, GTM and conversion tracking.
• Ability to turn design direction into clean and responsive builds.
• Strong attention to detail and a proactive approach to problem-solving.
• Clear communication with both technical and non-technical teams.
• Understanding of technical SEO and Core Web Vitals is beneficial.

The Setup You will join a growing delivery team that includes an Account Manager, Relationship Manager, technical SEOs, a content writer and a brand designer. You will work across a wide portfolio of client websites as well as Sierra Six Media’s own site. A flexible hybrid pattern is available.

• Flexible working with a hybrid setup
• Set 9 to 5 working hours
• Tech allowance for hardware upgrades
• 4pm Friday finish
• Birthday off
• Forbes EXEC Membership for lounge access and travel concierge support
• Monthly socials and an annual away day
• Deliveroo meal allowances for late project pushes
• Fully stocked snack bar

Why Join Us Sierra Six Media is a premium digital agency built on collaboration, quality and long-term client success. You will work with a varied client base, contribute to meaningful digital projects and join a friendly, ambitious team.

Our application process is straightforward and geared towards finding the right fit for you and our team. Take a look at our current openings – if you see a role that aligns with your ambitions, apply today! And if you’re curious or want to discuss your potential with us, don’t hesitate to reach out.