E-commerce and Digital Optimisation Specialist - MAT COVER in London

De Beers is the world's leading rough diamond company with unrivalled expertise in the exploration, mining and marketing of diamonds. From its mining operations across Botswana, Namibia, South Africa and Canada, De Beers produces and markets approximately 30% of the world's supply of rough diamonds by value. Together with its joint venture partners in Botswana and Namibia, De Beers operates in more than 20 countries across six continents.

The group is passionate about people and is committed to creating a diverse workplace in which individuals can develop rewarding careers at all levels. This is done by providing innovative, stimulating work environments that allow our people space to lead, grow and develop.

De Beers Group is looking for an E-commerce and Digital Optimization Specialist who can manage the execution of our A/B testing program for digital & e-commerce and support Brands and Diamond Desirability function with web and social tagging implementation. This role is dedicated to working on high impact A/B and MVT testing and optimisation with the primary focus to provide coherent decision support, project & ROI validation, and valuable insight into what drives improvements for our business goals/KPIs.

The ideal candidate is passionate about brands, technology and able to pull together cross-functional inputs into clear visual representations, experienced in tag management systems and testing environments. Proven ability working across a global, multi-brand, multi-channel and multi-market organisation. They have an inquisitive nature, a proven problem-solver, have strong attention to detail and have a proactive mindset. They should have experience leading testing and tagging programs, with proven capability in stakeholder management in both technical and business space.

• Serve as a subject matter expert on testing, optimisation and analytics for e-commerce website and mobile platforms, build a brand and business best practise framework for testing systems and learning agenda.
• Design, plan, execute insightful tests (test length, KPIs, AB test vs. MVT etc.), including hypothesis generation, sprint planning, and implementation that adhere to testing best practices using website experimentation tools such as VWO, Content Square etc.
• Generate test hypotheses and clearly validate opportunities/recommend actions that can have positive improvements in site experience and financials.
• Provide feedback to stakeholders to influence test ideas that will yield the most impactful customer experience and profit improvements.
• Understand traffic baselines for each area of business being tested, identify traffic required to achieve statistical significance; effectively use traffic for various concurrent tests.
• Identify KPIs (i.e. conversion, engagement, retention, acquisition) needed for test analysis and understand test setup and data collection needs, data collection methodologies, and analytics roadmaps to enable data-driven decision making.
• Drive proper A/B or MVT analysis with statistical rigor and perform cohort studies to answer "why?" on test result drivers.
• Objectively deliver testing insights and help create a culture of data-driven decision making.
• Work in collaboration with Visualization Specialist to develop and deliver visualized insights and test summaries that strongly communicate the business 'story' behind the data and test outcomes.
• Prioritise and maintain testing calendar to make best use of available traffic and testing resources and avoid any conflicts between tests.
• Develop and maintain advanced analytics setups using website tagging tools (e.g. Google Tag Manager) and analytics platforms (e.g. Google Analytics 4, Looker, PowerBI), ensuring data accuracy and actionable reporting.
• Provide analysis of each experiment to understand the impact on key KPIs that can be fed into marketing/merchandising campaigns or product roadmaps.
• Manage website migration projects, ensuring seamless analytics integration, dataLayer implementation, UAT testing, and compliance with technical standards.
• Work with the wider analytics and digital teams to foster a culture of data-driven decision making across e-commerce and digital platforms with business impact.
• Collaborate with cross-functional teams, including product managers, developers, marketers, and the CMS team to strategize, execute, and test initiatives aligned with business objectives.
• Implement and manage third-party tracking systems to ensure compliance with data privacy regulations such as GDPR and CCPA.
• Optimize e-commerce platforms and Shopify store to improve data tracking accuracy and support third-party integrations.
• Spearhead digital marketing and social media campaign tracking, including Google Ads and Meta Business Manager setups.
• Lead data integration projects, such as consolidating purchase behavior data with analytics platforms, customer databases, and payment systems.
• Troubleshoot and resolve issues related to analytics tools, custom scripts, and technical integrations, maintaining smooth operational workflows.
• Lead CRM analytics projects, including reporting, KPI tracking, and integration testing with customer relationship management platforms.

• A Bachelor's degree, MSc in Statistics, Mathematics or other quantitative scientific discipline or equivalent experience.
• Advanced knowledge of website tagging and analytics tools, including Google Tag Manager implementation a must.
• Experience working with GoogleStack, CSS, HTML, Meta Pixels, Custom JS, SQL, Advanced Consent Mode on GA4, DataLayer.
• Familiarity with data privacy regulations and tools (e.g. GDPR, CCPA, OneTrust).
• Results-driven professional with exceptional detail and knowledge around metrics, specifically A / B, multi-variant testing, statistical and ROI analysis.
• Experience in programming languages such as Python or R for data analysis.
• Experience with campaign tracking and e-commerce platforms.
• Strong business analyst skills; conducting feasibility analysis, requirements gathering, solution implementation.
• Ad Serving platforms (Double Click, Ad Tech, Atlas) knowledge a plus.
• Hypothesis formation and data identification.
• Experience with data visualisation and storytelling.
• Excellent written and verbal communication skills, including the ability to convey complex ideas clearly and to communicate with both technical and nontechnical audiences.
• Ability to analyse and synthesize large volumes of complex data into actionable insights.
• Excellent analytical skills.
• Proven experience as a data analyst.
• Willingness to be flexible and agile.

De Beers Group is a company with a rich history and a sparkling future. Since 1888 our experts have searched the world for nature's most precious gem. Our diamonds bring beauty to the world. But we think they can do so much more. We want our diamonds, and our business, to make life brilliant – for our people, our customers and the world around us.

Safety first is a way of life for us. We are unconditional about the safety, health and well-being of our colleagues, at work and at home, and about that of the communities where we work. We aim to lead the industry by investing in innovation to protect people, who are at the heart of our business.

We are committed to promoting an inclusive and diverse workplace where we value and respect every colleague for who they are. We provide equality of opportunity to enable everyone to fulfil their potential.

Sustainability is at the heart of our decision-making – it is how we do business. Building Forever is key to our purpose as it represents our ambitious and holistic sustainability framework and is central to our ability to deliver long-term value to our communities and partners.