Experimentation Specialists

Experimentation Specialist

London - 4 days a week in Office

Up to £45,000

This is an opportunity to play a key role in shaping excellence in Experimentation. The role is well suited to someone who enjoys combining strategic thinking with hands-on technical delivery, influencing how testing is run across a complex digital environment.

The Company They are a multi-brand retail organisation with a large digital footprint and a growing focus on data, testing, and customer experience. They are investing in experimentation as a core capability and are establishing an internal function to uplift testing maturity across teams. The environment offers strong visibility and the chance to impact high-value digital journeys at scale.

The Role

  • Translate business objectives into a clear experimentation strategy and roadmap.
  • Lead test prioritisation and guide stakeholders on experimentation best practice.
  • Design, build, and execute experiments across digital platforms.
  • Use platforms such as Optimizely to deploy tests end to end.
  • Analyse results and provide clear, data-driven recommendations.
  • Work closely with technical teams to ensure accurate implementation.
  • Support the development of processes, frameworks, and tooling for the Centre of Excellence
  • Partner with CRM, Digital, and Tech teams to embed experimentation across channels

Your Skills and Experience

  • Strong commercial experience running experimentation programmes.
  • Hands-on experience setting up and analysing A/B tests.
  • Ability to build and communicate an experimentation roadmap.
  • Strong understanding of testing methodology and digital performance metrics.
  • Experience with GA4 and an experimentation platform such as Optimizely.
  • Confidence working independently and navigating cross-functional teams
  • Ability to balance strategic thinking with technical delivery.

What We Offer

  • Salary up to £45,000
  • High strategic ownership within a growing experimentation function.
  • Exposure to senior stakeholders and a clear progression path.
  • Opportunity to influence testing practices across multiple brands.
  • Access to leading experimentation and analytics tools.
  • A broad role covering strategy, analytics, and technical execution.

Job Details

Company
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£44,000 - £45,000 per annum
Posted