Participant Recruitment Partner​/Sourcer

As a Participant Recruitment Partner, you will play a pivotal role in continuing the growth of Prolific's specialised participant pools. You ll act as a key enabler for the evergreen expansion of our expert network, as well as working closely with delivery teams to support targeted participant-resourcing based on our customers needs. This role demands a hands-on approach to high volume participant identification, attraction, and engagement, as well as cross-functional collaboration to meet the demands of both internal stakeholders and external clients.

• Drive the identification, attraction, and engagement of top-tier, highly qualified specialist participants, building and maintaining Prolific s world-class participant pool.
• Act as a trusted partner for client-specific AI delivery teams, serving as the primary point of contact for all recruitment-related operations and ensuring seamless collaboration.
• Deliver exceptional results on bespoke client projects, consistently meeting or exceeding ambitious project goals.
• Maintain and elevate the quality, diversity, and readiness of Prolific s participant pools, optimising for customer needs and high-impact outcomes.
• Design and manage robust verification processes for domain experts and AI taskers, guaranteeing their skills and qualifications align with client-specific requirements.
• Continuously refine recruitment, onboarding, and activation funnels, using data-driven insights to boost participant retention and engagement.
• Monitor and analyse candidate engagement and quality metrics, translating insights into actionable improvements that maximise impact and operational excellence, both quantitatively and qualitatively.

• Proven track record in recruitment excellence, with experience attracting and engaging world-class talent in high-growth talent acquisition environments.
• Background in executing innovative, high-volume sourcing strategies, delivering scalable pipelines of top-tier candidates.
• Builder mindset with a passion for innovation, designing and scaling sourcing and hiring solutions that continuously elevate speed to onboard and operational efficiency.
• Strong hands-on expertise with modern sourcing and outreach platforms (e.g. Linked In, Welcome to the Jungle), leveraging tools creatively to access hard-to-reach talent pools.
• Exceptional execution skills, with the ability to manage multiple priorities simultaneously, deliver at pace, and thrive in a fast-moving, ambiguous environment.
• Highly data-driven and commercially minded, confident using analytics and operational metrics to measure impact, optimise performance, and inform decision-making.
• Experience with global crowd sourcing or gig-economy platforms, which would add significant value.
• Experience supporting AI/ML lifecycle projects, such as data labeling, annotation, or domain-specific task curation.