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About the Role

De Beers Group is seeking an E-commerce and Digital Optimization Specialist to manage the A/B testing program for digital & e-commerce and support with web and social tagging implementation. This role focuses on high-impact A/B and MVT testing and optimization to provide decision support, validate project ROI, and gain insights into business goal drivers. The specialist will be the go-to expert for website testing, optimization, and analytics tools, ensuring data accuracy for reliable analytics results and fostering a data-driven decision-making culture.

Responsibilities

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, and execute insightful tests (test length, KPIs, AB test vs. MVT etc.), including hypothesis generation, sprint planning, and implementation using website experimentation tools.
Generate test hypotheses and validate opportunities/recommend actions for site experience and financial improvements.
Provide feedback to stakeholders to influence test ideas for impactful customer experience and profit improvements across various channels.
Calculate Traffic Allocation, understanding baselines and required traffic for statistical significance.
Define, lead the validation and refinement of Test KPIs (i.e. conversion, engagement, retention, acquisition).
Drive proper A/B or MVT analysis with statistical rigor and perform cohort studies to answer “why?” on test result drivers.
Ideate more complex tests from an analytical and insightful reporting perspective.
Apply statistical and programming tools (e.g. Python, R) for data analysis, forecasting, and e-commerce performance evaluation.
Deliver testing insights and help create a culture of data-driven decision making.
Collaborate with Visualisation Specialist to develop and deliver visualized insights and test summaries.
Prioritize and maintain testing calendar to optimize traffic and testing resources.
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).
Ensure data accuracy and actionable reporting.
Provide analysis of each experiment to understand the impact on key KPIs.
Analyze and interpret test results using statistical methodologies, delivering insights to stakeholders.
Manage website migration projects, ensuring seamless analytics integration, dataLayer implementation, UAT testing, and compliance.
Validate accuracy of data and conduct QA of site tagging.
Foster a culture of data-driven decision making across e-commerce and digital platforms.
Collaborate with cross-functional teams, including product managers, developers, marketers, and the CMS team to strategize, execute, and test initiatives.
Implement and manage third-party tracking systems to ensure compliance with data privacy regulations such as GDPR and CCPA.
Use consent management tools for monitoring compliance.
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.
Monitor campaign performance and provide optimization insights.
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.
Lead CRM analytics projects, including reporting, KPI tracking, and integration testing with customer relationship management platforms.

Requirements

Proven ability working across a global, multi-brand, multi-channel and multi-market organisation.
Experience leading testing and tagging programs.
Proven capability in stakeholder management in both technical and business space.
Advanced knowledge of website tagging and analytics tools, including Google Tag Manager implementation.
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.
Hypothesis formation and data identification.
Experience with data visualisation and storytelling.
Ability to analyse and synthesize large volumes of complex data into actionable insights.
Excellent analytical skills.
Attention to detail.
Proven experience as a data analyst.
Willingness to be flexible and agile.
Successful candidates will be required to complete background screening which may include a criminal check and validation of qualifications.

Skills

A/B testing
MVT testing
Web analytics
Social tagging
Tag management systems
Website experimentation tools (e.g. VWO, Content Square)
Google Tag Manager
Google Analytics 4
Looker
PowerBI
Python
R
Data analysis
Statistical analysis
ROI analysis
Data visualization
Storytelling
Stakeholder management
Google Ads
Meta Business Manager
CRM analytics
GDPR
CCPA
OneTrust
Shopify

Location

Global

Work Type

Full-time

Experience Level

Mid-level

Education Level

Bachelor’s degree, MSc in Statistics, Mathematics or other quantitative scientific discipline or equivalent experience.

Benefits

Great working environment
Fantastic pension scheme
27 days of holiday + bank holidays with the opportunity to buy or sell 5 more days
Private Healthcare
Free subscription to Headspace
Mental health first aider
Competitive salary
Your Choice membership discounts
Employee share schemes
Staff discount
Free breakfast & lunch at onsite restaurant
Free onsite gym
Flexible benefits package

About the Company

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.
The group is passionate about people and is committed to creating a diverse workplace in which individuals can develop rewarding careers at all levels.
Our vision is to transform diamond dreams into lasting realities and as a result we aim to attract and retain vibrant, innovative people who possess the unique skills and talents that will lead the De Beers Group into the future.
De Beers Group is a company with a rich history and a sparkling future.
Our diamonds bring beauty to the world.
We want our diamonds, and our business, to make life brilliant – for our people, our customers and the world around us.
Venetia Mine is part of De Beers Group Managed Operations Business which integrates mines, operations and support functions in the De Beers Group producer countries of Canada and South Africa to shape a safe, sustainable future for De Beers Group’s people, shareholders, communities and partners.
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.

Equal Opportunity

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.