the LEGO Group
eCommerce Optimisation Testing Manager - 12 month FTC (maternity cover)
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Job Description
As part of the Global eCommerce organisation, the Testing & Personalisation team plays a key role in improving the LEGO.com experience for our shoppers helping to build direct and lasting relationships with our fans.
We’re looking for an experienced Optimisation Testing Manager to join the team and take ownership of one of the three optimisation testing programs running across LEGO.com.
This is a highly collaborative, data-driven role for someone who is naturally curious and proactive in finding opportunities to improve commercial performance. You’ll work with a wide range of stakeholders to develop compelling test hypotheses, manage tests from end to end, interpret the results and turn the data into clear recommendations that influence business decisions.
We're pleased to share that we offer a hybrid working week arrangement called Best of Both, requiring 3 days in the office location and 2 days from home.
Relocation & visa assistance is not offered for this position.
The closing date for all applications will be Tuesday 8th September 2026.
Core Responsibilities
- Lead one of our optimisation testing programs. Develop testing strategies and manage A/B and multivariate tests end-to-end, from hypothesis and planning through execution, performance review and recommendations across LEGO.com.
- Identify commercial opportunities. Proactively use data, shopper behaviour and performance insights to identify opportunities to improve conversion, engagement and commercial sales performance, turning ideas into compelling test hypotheses.
- Turn data into action. Analyse test results using tools such as Adobe Analytics and Optimizely, alongside tools such as Quantum Metric, to understand shopper behaviour and conversion journeys and translate findings into clear, actionable recommendations.
- Influence across a complex stakeholder landscape. Work closely with Product, Digital Insights, Research, Marketing, Loyalty, Personalisation, Legal and other business teams to align priorities, resolve conflicts and influence decisions on what to test and which experiences or messages to prioritise.
- Build the future of testing. Partner with Product teams to improve the technical capabilities of optimisation testing, while helping to evolve testing best practices and demonstrate the commercial value of experimentation across the organisation.
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Do you have what it takes?
- Testing & optimisation expertise. Strong experience with A/B and multivariate testing methodologies, ideally across ecommerce, websites and/or CRM, with experience using optimisation tools such as Optimizely.
- Data-driven commercial mindset. Strong analytical capability and experience using data to uncover opportunities, assess performance and make commercially focused recommendations. Experience with Adobe Analytics is preferred, with Google Analytics also valuable.
- Insight & storytelling. The ability to translate complex test results and shopper insights into a compelling narrative, clearly explaining what the data means and recommending what the business should do next.
- Stakeholder influence. Experienced in influencing and negotiating with a broad and senior stakeholder group, confidently navigating competing priorities and bringing teams together around the right customer and commercial outcome.
- Proactive problem solver. Curious, creative and highly motivated to find opportunities, with a structured and pragmatic approach to managing multiple tests and initiatives in a complex, fast-moving organisation.
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Applications are reviewed on an ongoing basis. However, please note we do amend or withdraw our jobs and reserve the right to do so at any time, including prior to any advertised closing date. So, if you're interested in this role we encourage you to apply as soon as possible.
What’s in it for you?
Here is what you can expect:
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- Family Care Leave - We offer enhanced paid leave options for those important times.
- Insurances – All colleagues are covered by our life and disability insurance which provides protection and peace of mind.
- Wellbeing - We want our people to feel well and thrive. We offer resources and benefits to nurture physical and mental wellbeing along with opportunities to build community and inspire creativity.
- Colleague Discount – We know you'll love to build, so from day 1 you will qualify for our generous colleague discount.
- Bonus - We do our best work to succeed together. When goals are reached and if eligible, you'll be rewarded through our bonus scheme.
- Workplace - When you join the team you'll be assigned a primary workplace location i.e. one of our Offices, stores or factories. Our hybrid work policy means an average of 3 days per week in the office. The hiring team will discuss the policy and role eligibility with you during the recruitment process.
Children are our role models. Their curiosity, creativity and imagination inspire everything we do. We strive to create a diverse, dynamic and inclusive culture of play at the LEGO Group, where everyone feels safe, valued and they belong.
The LEGO Group is highly committed to equal employment opportunity and equal pay and seeks to encourage applicants from all backgrounds (e.g. sex, gender identity or expression, race/ethnicity, national origin, sexual orientation, disability, age and religion) to apply for roles in our team.
The LEGO Group is fully committed to Children’s Rights and Child Wellbeing across the globe. Candidates offered positions with high engagement with children are required to take part in Child Safeguarding Background Screening, as a condition of the offer.
Thank you for sharing our global commitment to Children’s Rights.
Just imagine building your dream career. Then make it real. Join the LEGO® team today.
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