Senior Experimentation Manager (Experimentation Lead)
UK Remote
Up to £60k DOE.
Senior Experimentation Manager with Optimizely, VWO and advanced statistical analysis expertise required by a digital consultancy specialising in large-scale websites and digital products. You'll help clients understand which website changes, product features and customer journey improvements genuinely improve performance, using robust experimentation mainly using Optimizely and related tools.
Working closely with product, UX, engineering and analytics teams, you'll help clients decide which website changes and product features are worth investing in, and which should be abandoned, based on statistically valid evidence. You'll also act as the senior authority on experimentation methodology, helping to shape testing strategy, improve standards and ensure experimentation delivers measurable commercial value.
Essential Requirements
* Hands-on experience with Optimizely Web, Optimizely Feature Experimentation and VWO
* Proven experience designing, executing and analysing end-to-end experimentation programmes
* Expert knowledge of significance testing, confidence intervals, effect sizes, MDE calculation and power analysis
* Experience managing concurrent experiments and mitigating interaction effects within complex product environments
* Experience building and prioritising experimentation roadmaps with senior stakeholders
* Strong data visualisation and experiment reporting skills
* Consultancy or client-facing agency experience
Benefits
* Flexible working with home and office-based options
* 25 days' holiday plus bank holidays, increasing with length of service
* Holiday buy and sell scheme
* Birthday leave
* Private health insurance and wellbeing benefits
* Royal London pension scheme
* Client and recruitment referral bonus scheme
* Structured onboarding and ongoing professional development
* Cycle-to-work scheme and Electric Vehicle Salary Sacrifice Scheme
* Personal sustainability allowance
* Volunteering day and access to the OnHand volunteering app
* Travel loan and discounted parking options
Apply now!