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CRO Developer @ Harnham

Wimbledon Hill Road 51, Cheshire EastOnsiteFull-time
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About this role

Salary: £76,000 - 83,000 per year

Requirements: Extensive CRO and experimentation experienceHands-on test build and development experienceProven experience delivering successful experimentation programmesStrong knowledge of A/B testing methodologiesHands-on experience with platforms such as Convert.com, Optimizely, VWO or similarExperience working with high-traffic websitesStrong understanding of customer journey optimisationExcellent stakeholder management and communication skillsCommercial mindset with a focus on measurable outcomesExperience within lead generation or performance marketing environments is advantageousPrevious mentoring or management experience is beneficial Responsibilities: Own the CRO roadmap across multiple digital brandsDesign, implement and analyse A/B and multivariate testsBuild experimentation frameworks and best practiceIdentify opportunities to improve customer journeys and conversion performancePartner with Product, Marketing, PPC and Development teamsUse customer behaviour data to prioritise optimisation opportunitiesMeasure commercial impact and present recommendations to stakeholdersHelp establish a long-term experimentation culture across the business Technologies: Marketing More:

We are an international digital marketing and customer acquisition business that owns and operates a portfolio of high-performing online brands across both B2B and B2C markets. Since launching in 2013, we have grown to over 100 employees with operations across the UK, North America, Australia and Europe, supporting millions of customer interactions every year. We own our digital platforms, giving our team complete control over customer acquisition, experimentation and optimisation across the entire user journey. With over 40 products, multiple acquisition funnels and high volumes of website traffic, experimentation is a key commercial growth lever with strong backing from senior leadership. This is a greenfield opportunity based in Cheshire with a hybrid working model of three days a week in the office, offering significant autonomy, senior stakeholder exposure and a clear opportunity to build and lead the CRO function as it grows.

last updated 33 week of 2026

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