Data analyst in marketplace

Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditised, it's the quality and diversity of human-generated data that truly differentiates products and models.

• Help define, monitor and improve the metrics we use to understand marketplace health, including supply-demand balance, fulfilment, quality and concentration.
• Analyse marketplace performance and investigate changes in metrics such as fill rate, time-to-fill, participant availability and quality.
• Work with product and engineering teams to define success metrics and measure the impact of product and algorithmic improvements.
• Analyse experiments to understand whether changes to matching, ranking, recommendation or other marketplace experiences are improving outcomes.
• Build and maintain dashboards and reporting that make marketplace performance visible and actionable.
• Use SQL and other analytical tools to investigate marketplace behaviour, identify trends and surface opportunities or problems.
• Explore how marketplace outcomes differ across customers, participants, use cases and segments.
• Communicate findings clearly and help teams make data-informed product and operational decisions.

• Strong SQL skills and experience analysing complex datasets. Python experience for analysis and experimentation is beneficial.
• Experience working with marketplace, product or operational data and using metrics to understand user and business behaviour.
• Ability to work with measures such as supply and demand, fill rate, time-to-fill, availability, quality and concentration to understand marketplace performance.
• Experience analysing A/B tests or other experiments, including defining success metrics, interpreting results and communicating findings.
• Ability to turn product or marketplace questions into measurable hypotheses and structured analysis.
• Comfortable exploring data to understand why something is happening, rather than only reporting what happened.
• Ability to understand how marketplace performance affects customer experience and wider business outcomes.
• Comfortable working with Product, Engineering and Operations teams and contributing analytical thinking to cross-functional work.
• Ability to translate analysis into simple, actionable insights for both technical and non-technical stakeholders.

• Working for us will place you at the forefront of AI innovation, providing access to our unique human data platform and opportunities for groundbreaking research.
• Join us to enjoy a competitive salary, benefits, and remote working within our impactful, mission-driven culture.