Experimentation Lead - Contract

Experimentation Lead - Contract

Agency

£450-£500 per day - Outside IR35

London

This is an opportunity to step into a senior experimentation leadership role within a busy services environment that needs immediate, hands-on expertise. You will take ownership of client delivery, raise the standard of experimentation output, and provide direction during a period of change, with the scope to extend as the team stabilises.

The Company

They are a digital experimentation and optimisation consultancy operating a services-first model alongside proprietary technology. The organisation partners with clients across multiple sectors to improve digital performance through structured testing and insight-led decision making. The services team works closely with client stakeholders, development teams, and internal delivery functions to drive measurable outcomes.

The Role and Deliverables

  • Leading experimentation strategy and delivery across a portfolio of client accounts
  • Owning and driving proactive experimentation roadmaps, from ideation through to insight
  • Providing senior input into hypothesis generation, test design, and prioritisation
  • Overseeing test planning, briefing development teams, and ensuring quality through QA
  • Leading client conversations, including weekly calls and quarterly in-person sessions
  • Delivering clear, insight-rich analysis and recommendations following test completion

Your Skills & Experience

  • Strong experience leading CRO or experimentation programmes in a consultancy or agency environment
  • Proven ability to drive high-quality experimentation strategy as well as hands-on delivery
  • Confident managing senior client stakeholders and shaping long-term testing roadmaps
  • Highly analytical, with a structured approach to insight generation and storytelling
  • Comfortable working with tools such as Jira and adapting to different client workflows
  • Proactive, detail-oriented, and motivated to raise standards within a services team

How to Apply

Apply now to discuss this contract opportunity and make an immediate impact within a senior experimentation role.

Job Details

Company
Harnham
Location
London, England, United Kingdom
Posted