<p>The Experimentation Specialist drives evidence-based product and marketing decisions through rigorous testing and analysis.<br>They design, execute and interpret experiments to improve user experience and conversion rates.<br>This role collaborates with product, design and analytics teams to prioritise tests and scale learning.</p>
<p>The Experimentation Specialist shapes how organisations learn from user behaviour and make measurable improvements. They combine statistical rigour with pragmatic product sense to validate ideas and inform roadmaps.</p>
<h2>Experimentation Specialist Job Profile</h2>
<p>The Experimentation Specialist is responsible for designing and managing controlled experiments across web and mobile platforms. They translate business questions into testable hypotheses, create test plans and ensure experiments are instrumented correctly.</p>
<p>Working closely with product managers, designers and engineers, the specialist analyses results, produces clear recommendations and helps embed an experimentation culture across the organisation.</p>
<h2>Experimentation Specialist Job Description</h2>
<p>An Experimentation Specialist leads the end-to-end testing programme to drive data-driven improvements. They develop robust experiment designs including A/B and multivariate tests, set up tracking and guardrails, and ensure statistical validity. The specialist monitors experiment health, calculates confidence intervals and effect sizes and interprets findings in a business context.</p>
<p>The role requires translating quantitative outcomes into actionable insights and communicating results to stakeholders at all levels. The Experimentation Specialist also advises on measurement strategy, works with analytics tools to ensure clean data and helps prioritise experiments that maximise return on investment.</p>
<p>Beyond testing, the specialist contributes to cross-functional training, creates documentation of learnings and helps scale best practices across teams. They often champion hypothesis-driven product development and support rapid iteration while maintaining rigorous evaluation standards.</p>
<h2>Experimentation Specialist Duties and Responsibilities</h2>
<ul>
<li>Design and implement A/B and multivariate experiments for web and mobile experiences</li>
<li>Develop clear hypotheses, test plans and success metrics aligned to business goals</li>
<li>Instrument tracking and verifying data quality with analytics and engineering teams</li>
<li>Analyse experiment results using appropriate statistical methods and report findings</li>
<li>Translate results into practical recommendations for product and marketing teams</li>
<li>Prioritise experiments based on potential impact and resource constraints</li>
<li>Maintain the experiment catalogue and document learnings to avoid duplication</li>
<li>Train stakeholders on experimentation principles and foster a culture of testing</li>
<li>Manage experiment platforms and collaborate with vendors where necessary</li>
<li>Ensure ethical standards and user privacy are upheld in all tests</li>
</ul>
<h2>Experimentation Specialist Requirements and Qualifications</h2>
<ul>
<li>Bachelor's degree in statistics, mathematics, computer science, economics or related field</li>
<li>Proven experience in A/B testing, experiment design and conversion rate optimisation</li>
<li>Strong statistical knowledge, including hypothesis testing, p-values and confidence intervals</li>
<li>Proficiency with analytics tools such as Google Analytics, GA4, Amplitude or similar</li>
<li>Experience with experimentation platforms such as Optimizely, VWO or LaunchDarkly is desirable</li>
<li>Comfortable with SQL and data analysis in Python or R for deeper analysis</li>
<li>Excellent communication skills with the ability to present technical findings to non-technical audiences</li>
<li>Organised, detail-oriented and able to manage multiple experiments concurrently</li>
<li>Knowledge of privacy regulations and best practices for user data handling</li>
<li>Prior experience working in cross-functional agile teams and product environments</li>
</ul>