Performance Marketer - Paid Media

Immediate start 3-5 month contract

Prolific

Prolific is not just another player in the AI spacewe are the architects of the human data infrastructure thats reshaping the landscape of AI a world where foundational AI technologies are increasingly commoditized its the quality and diversity of human-generated data that truly differentiates products and models.

The role

Were looking for an immediately available experienced Paid Media / Performance Marketing Freelancer to help us scale and optimize our paid media initiatives across Prolific for Research. This role will own hands-on execution across multiple paid channels while providing clear performance insights and recommendations.

This is an execution-heavy role with strategic inputideal for someone who enjoys building testing optimizing and reporting on campaigns end-to-end.

What youll bring to the role

• Proven experience managing paid media campaigns for B2B products (SaaS marketplaces or platforms preferred)
• Strong hands-on experience with: LinkedIn Influ2 Hubspot Meta and other relevant channels
• Familiarity with marketing automation and CRM tools
• Experience with content syndication and lead-gen focused paid campaigns
• Strong analytical skills and confidence working with performance data and reporting tools
• Comfortable owning campaigns end-to-end without heavy oversight
• Experience running experiments and structured testing roadmaps
• Ability to clearly explain performance insights and recommendations to non-specialists
• Experience working as a freelancer or contractor with fast-moving teams

What youll be doing in the role

• Set up manage and optimise paid media campaigns across multiple channels including: Paid search LinkedIn Ads Influ2 Meta other paid social or advertising placements as relevant content syndication partners and platforms
• Develop and refine audience targeting strategies (B2B research academic AI and commercial segments)
• Manage campaign structure bidding strategies budgets and creative testing
• Collaborate with internal stakeholders on messaging positioning and landing page optimisation
• Monitor performance daily and optimise for key metrics (CPL CAC conversion rates ROI)
• Produce clear actionable performance reporting (weekly/monthly)
• Conduct channel analysis to identify scale opportunities inefficiencies and new tests
• Recommend new paid channels formats or placements based on performance insights
• Ensure tracking attribution and measurement are set up correctly

Why Prolific is a great place to work

Weve 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 wont 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 innovationone 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.

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By submitting your application you agree that Prolific may collect your personal data for recruiting and global organization planning. Prolifics 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.