Experimentation Specialist
London - Hybrid - 4x a week in office
Up to £45,000
This is an exciting opportunity to join a digital function that is investing heavily in experimentation. You will help build a Centre of Excellence, shape testing capability across multiple brands, and play a key role in driving data‑led decision making.
The Company
They are a large multibrand retail group with a broad digital presence and a significant transformation agenda. Their central experimentation function is expanding, with a mission to embed structured testing across digital journeys. You will join a growing team that acts as an internal consultancy, partnering with product, CRM, trading and digital teams to deliver high‑quality experimentation.
The Team
You will work alongside a Senior Experimentation Manager who is building the capability from the ground up. The team is highly cross‑functional, supporting stakeholders across the group and enabling them to run meaningful, well‑designed tests. With multiple hires planned, there is strong scope for development as the practice scales.
The Role
You will be responsible for:
• Shaping and supporting the development of a Centre of Excellence for experimentation
• Translating OKRs into structured A/B testing roadmaps
• Prioritising a pipeline of experiments across multiple digital platforms
• Ideating, designing and executing tests end to end
• Ensuring best‑practice methodology and interpreting results with clarity
• Managing technical relationships with implementation teams to ensure tests are set up correctly
• Being hands on with experiment builds, primarily using a leading optimisation platform
• Supporting both website and CRM experimentation where required
Your Skills and Experience
You will need:
• Strong commercial experience running experimentation programmes
• Hands‑on experience setting up and analysing A/B tests
• Good understanding of experimentation principles, metrics and statistical thinking
• Ability to build, communicate and manage a testing roadmap
• Confidence working cross‑functionally and influencing stakeholders
• Experience with GA4 and an optimisation platform such as Optimizely or similar
Nice to have:
• Experience with user testing tools
• Exposure to both CRM and website experimentation
What They Offer
• Salary up to £45,000
• Opportunity to play a defining role in building an experimentation Centre of Excellence
• Strong progression potential as the team expands
How to Apply
If you are interested in this Experimentation Specialist role, please apply today.