Online Growth Marketing Manager

🚀 Online Growth Marketing Manager (In digital agency growing their data team)

📍 Team: Data

👤 Reports to: Head of Data

📍 Location: Leeds

🕒 Type: Full-time, hybrid / flexible working

💰 Salary: £30,000 to £45,000 DOA

🧠 About the Role

We’re looking for a Online Growth Marketing Manager to join the Data team in a leading digital agency and lead experimentation strategies that drive measurable improvements for our clients’ websites and apps.

Working closely with Digital Analysts and cross-functional teams, you’ll design and deliver data-driven optimisation strategies based on detailed analysis and post-test insights. Your work will focus on improving conversion rates through structured testing, statistical analysis and continuous experimentation.

This role requires a systematic and analytical mindset, using industry-leading tools to develop and execute A/B testing strategies. You’ll collaborate with data specialists, experience design teams and client stakeholders to maximise performance and deliver meaningful results.

📈 Key Responsibilities

🔍 Conversion Optimisation

• Improve and optimise client conversions through data-driven ideation, execution, reporting and analysis

• Run A/B tests and experimentation programmes, developing hypotheses and recommendations for website improvements
• Use qualitative and quantitative research to inform testing strategies

• QA test implementations before client previews to ensure accuracy and alignment with hypotheses

• Report results, findings and learnings to stakeholders and marketing managers
• Provide actionable insights and recommendations to support client KPIs and performance targets

• Deliver ongoing recommendations to improve user experience and website performance through continuous testing

• Work closely with other marketing teams (e.g. SEO and PPC) to align optimisation strategies with wider marketing activity

• Present testing performance and strategy in internal meetings
• Participate in client calls, meetings and presentations
• Deliver pre-campaign, mid-campaign and post-campaign analysis

• Support wider business needs where required, including training and additional tasks assigned by your manager

✔ Degree in a relevant field or equivalent experience (e.g. Mathematics, Science, Research, Statistics, Marketing, Advertising)

✔ Experience designing and executing A/B testing and experimentation programmes

✔ Familiarity with testing platforms such as Optimizely, VWO, Webtrends

✔ Experience with analytics platforms such as Google Analytics

✔ Basic knowledge of HTML, CSS and JavaScript is beneficial

🛠 Skills & Competencies

📊 Ability to use analytics, customer experience data and research insights to drive experimentation strategies and conversion improvements

🧪 Ability to quality assure CRO campaigns and ensure high standards and timely delivery

💬 Strong written and verbal communication skills with the ability to clearly present ideas and insights

🌟 Personal Attributes

🚀 Proactively challenges the status quo to drive improvement

🤝 Collaborates effectively across teams to achieve shared success

🌍 Open to new ways of working, ideas and perspectives

📚 Curious and proactive in learning new skills and industry developments

🚀 Benefits

• 25 days holiday (+bh) increasing yearly to 30
• Birthday off
• Flexible working
• Life assurance and salary sacrifice pension
• Volunteering and wellbeing portal, perkbox discounts

Apply now!