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