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Web Optimisation Specialist

Reading, United Kingdom

Lady posing

JOB DESCRIPTION

Job ID JR-183

Job Status Employee Permanent

Category Retail Assistant

Date posted August 28, 2025

JOB DESCRIPTION

Web Optimisation Specialist


Because you can see how we can be better. Innovate, your way.

As a Web Optimisation Specialist at Primark, you’ll play a key role in maximising the customer experience and commercial performance of our digital channels. You will support the creation and delivery of our optimisation strategy, running A/B tests and personalised experiences to ensure our website continues to meet customer needs while driving business growth.

This is a fantastic opportunity to join our growing Digital Experimentation team at an exciting time. You’ll collaborate closely with colleagues in Analytics, UX, Product, and Trading, embedding optimisation into product ways of working and helping us build a culture of experimentation. Your insights and recommendations will shape the way millions of customers interact with Primark online.

 

What You’ll Get

People are at the heart of what we do at Primark, so it’s essential we provide the right environment for you to perform at your best.

Let’s talk lifestyle:

  • 27 days of annual leave, plus bank holidays – with the option to buy up to 5 more.
  • Flexible working arrangements, including the opportunity for an early Friday finish.
  • Access to a subsidised cafeteria.
  • Primark Perks – enjoy discounts with local partner businesses near our offices.

 

What You’ll Do

  • Feed new ideas into our experimentation roadmap and manage them from concept to delivery.
  • Champion a culture of testing to ensure website changes and new developments are results-driven.
  • Implement A/B and personalisation experiences across Primark.com and other digital channels.
  • Use data insights, heuristic reviews and UX analytics tools to identify customer pain points.
  • Create and coordinate test hypotheses, discovery workshops, and measurement plans in collaboration with analytics teams.
  • Present findings and actionable recommendations to enhance the customer journey and drive loyalty.
  • Analyse and report on A/B tests, sharing insights and recommended next steps.
  • Review daily digital performance and collaborate across Digital to remediate issues quickly.
  • Build strong relationships with stakeholders across Digital Marketing, Trading, Analytics, UX and Customer Services to improve efficiency and performance.

 

What You’ll Bring

  • 3+ years’ experience in a similar optimisation, CRO, or digital analytics role.
  • Experience with A/B testing platforms (e.g. Google Optimize, Kibo, Dynamic Yield, Optimizely).
  • Familiarity with user analytics tools (e.g. Contentsquare, Decibel, Glassbox, Quantum Metric).
  • Proven experience using data and testing to deliver customer-first improvements that also support commercial objectives.

 

Because you can see how we can be better. Innovate, your way.

What’s a career at Primark all about? The positive impact you’re making, the experiences you’re having and the people you’re with. You’re our inspiration. Embrace what sets you apart, own your career and develop in ways you never expected. Leave your mark. And do it your way.

Req Number: JR 183
#LI-JD1

 



Our fashion isn’t one-size-fits-all and neither is our culture. Primark promotes equal employment opportunity, we strive to create an inclusive workplace where people can be themselves, access opportunities and thrive together.

 

If you require extra support at any stage of the selection process, please get in touch with our team at removingbarriers@primark.co.uk.


REQ ID: JR-183
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