Experimentation Specialist

Company: Harnham
Apply for the Experimentation Specialist
Location: London
Job Description:

Experimentation Specialist

London, Oxford Street – 4 days in office

Up to £45,000

This is a chance to join a growing experimentation Centre of Excellence within a large, digitally focused retail group. You will play a key role in shaping how experimentation is delivered across multiple brands and platforms, with real influence from day one.

The Role

  • Support the build out of a centralised experimentation Centre of Excellence
  • Translate business OKRs into clear experimentation roadmaps
  • Prioritise, design, run and analyse A/B tests across digital platforms
  • Act as the experimentation expert for cross functional teams
  • Own relationships with technical and implementation teams
  • Support CRM split testing alongside website experimentation

Your Skills and Experience

  • Strong hands on experience running experimentation programmes
  • Experience setting up and analysing A/B tests on platforms such as Optimizely
  • Confident working with metrics and communicating insights clearly
  • Ability to balance strategy, prioritisation and execution
  • Comfortable working independently in a fast paced environment

What They Offer

  • Salary up to £45,000
  • High impact role with clear ownership and visibility
  • Opportunity to shape experimentation practices across a large organisation
  • Central London location with flexible hybrid working

How to Apply

Apply now to learn more about this Experimentation Specialist role in London.

Posted: June 5th, 2026