Experimentation/CRO Analyst - Contract

Experimentation/CRO Analyst Agency - Travel Client £325-£400 per day outside IR35 London

We're working with a leading digital agency to support one of their flagship travel clients, and they're looking for a hands-on Experimentation Analyst to join the team.

You'll be embedded within a busy product environment, helping multiple teams design, validate, and analyse A/B and multivariate tests. You will support on the experimentation programme, ensuring every test is statistically sound, well interpreted, and actionable.

Role & Responsibilities

  • Partnering with product teams to plan and analyse A/B and MVT tests across key digital journeys.
  • Conducting pre-test analysis to determine traffic volumes, sample sizes, and test duration.
  • Advising teams on test design, feasibility, and potential overlap - managing concurrent testing considerations.
  • Analysing test performance and providing clear, data-led recommendations.
  • Troubleshooting test queries and supporting experimentation best practice across the business.
  • Collaborating with teams using Optimizely, ContentSquare, and GA4 to extract meaningful insights.

Skills & Experience

  • Proven experience analysing A/B and MVT tests in large-scale, high-traffic environments (e.g. travel, retail, eCommerce).
  • Strong understanding of test design, sample sizing, and statistical significance.
  • Confident advising stakeholders on what's possible and how to structure experiments effectively.
  • Experience with concurrent testing (understanding how overlapping tests can impact results).
  • Optimizely (essential), GA4, and ContentSquare preferred.
  • Excellent communication skills - comfortable engaging with multiple product and marketing teams.
  • Analytical mindset with the ability to translate data into clear stories and recommendations.

Benefits

£325-£400 per day outside IR35, London based

How to Apply

Register your interest by sending your CV to Lloyd Dunstall via the Apply link on this page

CRO / Experimentation / AB Testing / Optimizely / ContentSquare / GA4

Company
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
£325 - £400 per day
Posted
Company
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
£325 - £400 per day
Posted