Harnham
CRO Specialist
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CRO Specialist
£40,000
Greater Manchester - Hybrid
I'm hiring a CRO Developer/Analyst for one of the UK's leading customer generation businesses, operating multiple high-traffic B2B and B2C brands across international markets.
This is a fantastic opportunity for someone who enjoys combining CRO, experimentation, front-end development, and analytics to drive measurable commercial impact.
Working alongside the CRO Lead, you'll help optimise over 40 customer journeys, building and deploying experiments that improve conversion rates, lead quality, and revenue.
The Role
This is a hands-on CRO position. You'll be responsible for:
- Building A/B tests from scratch
- Deploying experiments using JavaScript, HTML, and CSS
- Analysing test performance
- Identifying conversion opportunities
- Helping shape the wider experimentation roadmap
This is not a pure developer role and it's not a pure analyst role. The ideal person enjoys moving between technical implementation, experimentation, customer behaviour analysis, and commercial problem solving.
What You'll Be Doing
Experimentation & CRO
- Build and deploy A/B tests using HTML, CSS, and JavaScript.
- Use Convert.com to manage and execute testing programmes.
- Design experiments that improve conversion rates and lead quality.
- Develop structured testing roadmaps and prioritisation frameworks.
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Performance Analysis
- Analyse conversion funnels and customer journeys.
- Use behavioural analytics platforms such as FullStory, Mouseflow, or similar.
- Evaluate test performance using statistical significance, confidence intervals, and sample size calculations.
- Turn findings into clear recommendations that improve performance.
Commercial Optimisation
- Prioritise experiments based on commercial impact.
- Improve profitability, lead quality, and conversion performance.
- Work across multiple products and markets to scale successful tests.
Stakeholder Collaboration
- Partner with Marketing, Paid Search, Paid Social, and Development teams.
- Communicate results and recommendations to stakeholders.
- Support a culture of experimentation and continuous improvement.
What They're Looking For
Essential
- CRO or experimentation experience
- Commercial experience with:
- JavaScript
- HTML
- CSS
- Ability to independently build and launch A/B tests.
- Understanding of statistical testing principles:
- significance
- p-values
- confidence intervals
- sample sizes
- Experience using experimentation platforms (Convert, Optimizely, VWO, AB Tasty, or similar).
- Strong analytical and commercial mindset.
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Nice to Have
- Lead generation experience
- Behavioural economics knowledge
- B2B and B2C optimisation experience
- Paid Search or Paid Social understanding
- International CRO experience
Why Join?
- Work on 40+ products across multiple customer journeys.
- High-volume experimentation environment.
- Strong commercial ownership and impact.
- Opportunity to work directly with CRO leadership.
- Significant testing volume and autonomy.
- Fast-growing digital business with international reach.
Package
- £40,000 salary
- Opportunity to develop within a growing CRO function
- Exposure to high-volume lead generation and experimentation programmes
Ideal Backgrounds
- CRO Executive
- CRO Analyst
- CRO Developer
- Experimentation Specialist
- Conversion Optimisation Executive
- Digital Optimisation Specialist
- Front-End CRO Specialist
If you enjoy building experiments, analysing customer behaviour, and using data to improve commercial performance, this is a brilliant opportunity to join a business where CRO is a genuine priority.
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