CRO Specialist

Harnham; Manchester; Híbrido; GBP 36.000 - 44.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Exposure to high-volume lead gen & exp

Develop within a growing CRO function

Autonomy with significant testing

Descripción de la vacante

Harnham is hiring a CRO Developer/Analyst in Greater Manchester for a hybrid role. You will build and deploy A/B tests, analyze performance, and drive optimisation across 40+ customer journeys in a fast-growing digital business.

You will work with CRO leadership to shape the experimentation roadmap, collaborating with marketing, paid media and development teams to maximise commercial impact.

Formación

• CRO or experimentation experience.
• Commercial experience with: JavaScript, HTML, CSS.
• 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 or AB Tasty or similar).
• Strong analytical and commercial mindset.

Responsabilidades

• Build and deploy A/B tests from scratch.
• Deploy experiments using JavaScript, HTML and CSS.
• Analyse test performance.
• Identify conversion opportunities.
• Help shape the wider experimentation roadmap.
• Analyse conversion funnels and customer journeys.
• Turn findings into clear recommendations that improve performance.
• Prioritise experiments based on commercial impact.

Conocimientos

CRO experience

JavaScript

HTML

CSS

Herramientas

Convert.com

Optimizely

VWO

AB Tasty

Descripción del empleo

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

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.

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.

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.