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# Lead Decision Scientist - (Experimentation)

- **Company:** Harnham
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £80,000.0 - £90,000.0
- **Contract:** Permanent contract
- **Skills:** A/B Testing, Artificial Intelligence, Decision Support Systems, Standard Sql, Usage Analysis
- **Published:** July 14, 2026
- **Apply:** https://www.reed.co.uk/jobs/lead-decision-scientist-experimentation/57119558

## About the Role

* Experience in Product Analytics, Decision Science or Commercial Analytics.
 * Strong SQL and analytical problem-solving skills.
 * Experience designing and evaluating experiments.
 * Excellent stakeholder management and communication skills.
 * A commercial mindset with the ability to influence decision making.
 * Comfortable working in fast-paced, ambiguous product environments.

## Description

We're partnering with a fast-growing, product-led technology business that is investing heavily in its Data & AI function. As the organisation evolves, they're looking for a commercially minded Lead Decision Scientist to help shape product strategy through data-driven decision making.

This is an analytics-focused role where you'll work closely with Product Managers and Engineering teams to identify opportunities, size business impact and influence where the business invests.
The Role

You'll be responsible for:

 * Identifying and solving high-value business problems through data.
 * Conducting product and exploratory analysis to uncover opportunities.
 * Designing and measuring experiments, including A/B testing.
 * Defining success metrics and evaluating product performance.
 * Translating analytical insights into clear commercial recommendations.
 * Partnering with cross-functional teams to influence product decisions.


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