Online Growth Marketing Manager (Data Team, Digital Agency)
Location: Leeds. Reports to Head of Data. Type: Full time, hybrid/flexible working. Salary: £30,000 to £45,000 DOA.
About the Role
We’re looking for an Online Growth Marketing Manager to join the Data team and lead experimentation strategies that drive measurable improvements for client 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, focusing on improving conversion rates through structured testing, statistical analysis and continuous experimentation.
Key Responsibilities
* Improve and optimise client conversions through data‑driven ideation, execution, reporting and analysis.
* Run A/B tests and experimentation programmes, develop 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 manager.
Knowledge, Technology & Qualifications
* Degree or equivalent experience in Mathematics, Science, Research, Statistics, Marketing or 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), increased yearly to 30.
* Birthday off.
* Flexible working.
* Life assurance and salary sacrifice pension.
* Volunteering and wellbeing portal, perkbox discounts.
Apply now!
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