Participant Recruitment Partner/Sourcer

Participant Recruitment Partner/Sourcer

3 month FTC with the opportunity to extend—Open to candidates based in US/Mexico only

Base Salary + monthly performance bonus potential based on performance

NB - these roles are high priority; therefore, we are prioritizing candidates who can commence employment in the next 2 weeks

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 specialized 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 companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioral data and feedback. This data is the cornerstone of developing more accurate, nuanced, and aligned AI systems.

We believe that the next leap in AI capabilities won't come solely from scaling existing models but from integrating diverse human perspectives and behaviors into AI development. By providing this crucial human data infrastructure, Prolific is positioning itself at the forefront of the next wave of AI innovation—one that reflects the breadth and the best of humanity.

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.

Links to more information on Prolific

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Privacy Statement

By submitting your application, you agree that Prolific may collect your personal data for recruiting and global organisation planning. Prolific's Candidate Privacy Notice explains what personal information Prolific may process, where Prolific may process your personal information, its purposes for processing your personal information, and the rights you can exercise over Prolific use of your personal information.