Participant Recruitment Partner/Sourcer

Participant Recruitment Partner/Sourcer 3 month FTC with the opportunity to extend - Open to candidates based in US/Mexico Compensation - Base Salary + monthly performance bonus potential based on performance NB - these roles are high priority - therefore we are prioritisitng candidates who can commence employment in the next 2 weeks Team: Human Data Prolific 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 commoditized, it's the quality and diversity of human-generated data that truly differentiates products and models. The role 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 What you’ll be doing in the role • 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. What you’ll bring to the role • 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. LinkedIn, 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. Particularly Valuable: • Experience with global crowdsourcing 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. Why Prolific is a great place to work We've built a unique platform that connects researchers and