--- title: 'Data Analyst - Marketplace at Prolific' canonical: 'https://feeny.ai/job/data-analyst-marketplace-prolific-united-kingdom-bsx31cfm9xzk' type: 'job' last_seen: '2026-11-01' --- # Data Analyst - Marketplace at Prolific - **Company:** Prolific - **Location:** United Kingdom - **Work type:** remote - **Posted:** 2026-10-22 - **Last confirmed live:** 2026-11-01 - **Apply:** https://job-boards.eu.greenhouse.io/prolific/jobs/5014007101 ## Job description Data Analyst, Marketplace 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 commoditised, it's the quality and diversity of human-generated data that truly differentiates products and models. ## The role As Prolific scales, maintaining a healthy and sustainable marketplace will be critical to our ability to meet growing demand for high-quality human data. We are looking for a Data Analyst to help us understand how well our marketplace is working, identify where supply and demand are not connecting effectively, and measure whether product and algorithmic improvements are delivering better outcomes. You will work closely with Product, Engineering and Operations teams, using data to answer important marketplace questions and support better product decisions. ## What you’ll bring to the role - Strong Analytics Skills: Strong SQL skills and experience analysing complex datasets. Python experience for analysis and experimentation is beneficial. - Marketplace or Product Analytics: Experience working with marketplace, product or operational data and using metrics to understand user and business behaviour. - Marketplace Metrics: Ability to work with measures such as supply and demand, fill rate, time-to-fill, availability, quality and concentration to understand marketplace performance. - Experimentation: Experience analysing A/B tests or other experiments, including defining success metrics, interpreting results and communicating findings. - Product Thinking: Ability to turn product or marketplace questions into measurable hypotheses and structured analysis. - Analytical Curiosity: Comfortable exploring data to understand why something is happening, rather than only reporting what happened. - Commercial Awareness: Ability to understand how marketplace performance affects customer experience and wider business outcomes. - Collaboration: Comfortable working with Product, Engineering and Operations teams and contributing analytical thinking to cross-functional work. - Clear Communication: Ability to translate analysis into simple, actionable insights for both technical and non-technical stakeholders. ## What you'll be doing - 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. 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 behavioural 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 behaviours 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 breath 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 [Benefits](https://www.notion.so/prolific/dbc97f2b3ff24f1bb6fa834a2c9c3283?v=4f874e88e46a4f54afd8bf62f1db19ed&p=9f2c1de05dfa43338d48c20362bfead1&pm=c) [External Handbook](https://www.notion.so/prolific/dbc97f2b3ff24f1bb6fa834a2c9c3283?v=4f874e88e46a4f54afd8bf62f1db19ed) [Website](https://www.prolific.com/) [YouTube](https://www.youtube.com/@JoinProlific) 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](https://www.notion.so/prolific/Policy-Privacy-Notice-for-Candidates-f94a136a67544388b4888bc436451b57) 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. ## About Prolific ## Company Overview - **One-liner**: Prolific is a technology company that provides a platform for collecting high-quality, human-derived data from verified participants, used by AI developers, researchers, and organizations for AI training, surveys, and user research. - **Entity Type**: Private (Series A) - **Headquarters**: London, UK (with a New York City hub and remote presence across the US and UK) - **Founded**: 2014 - **Founders**: Phelim Bradley, Ph.D. (CEO & Co-founder) ## Core Business - **Primary industry/industries**: AI data services, market research, academic research, human-in-the-loop AI - **Target customers**: B2B — AI developers, academic researchers, product teams, and enterprise organizations (35,000+ data collectors use the platform) - **Mission or purpose statement**: "To help thinkers, creators, and innovators make the impossible possible" by building a future where human insight drives breakthroughs in science, technology, and society. ## Products & Services - **Prolific Platform**: A web-based platform that connects researchers and AI developers with a pool of 200,000+ active, verified participants for online studies. Studies launch every 2 minutes, with a 97% completion rate and data sets delivered in under 2 hours on average. - **AI Training & Evaluation**: Human feedback from representative populations for preference tuning, safety evaluations, and benchmarks. Used to defend AI model quality. - **Research Services**: Accelerated research through insights from verified participants, supporting behavioral research, surveys, and user testing. - **Participant Marketplace**: A paid participant side where individuals can join paid online studies with flexible scheduling and real payouts. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed - **Key Metric**: $32 million in Series A funding (secured in 2023) - **Notable Investors/Partners**: Series A funding of $32M (lead investors not specified in available data); trusted by thousands of organizations including cutting-edge AI startups and Ivy League universities. - **Growth Signals**: - Expanded into the US with a New York City hub (announced February 2024) - 172 open job listings across multiple departments (as of mid-2026) - 700+ studies launch every day on the platform - Participants from 38+ countries speaking 80+ languages - 10,000+ organizations use Prolific - 35,000+ data collectors use the platform ## Competitive Advantages - **Verified participant pool**: All participants are actively vetted, verified, and fairly paid, ensuring high-quality, trustworthy data without the noise of typical survey platforms. - **Speed and reliability**: Data sets are delivered in under 2 hours on average, with a 97% study completion rate — a significant moat for time-sensitive AI and research projects. - **Representative populations**: Ability to source diverse, representative participant pools for AI safety evals and benchmarks, critical for regulatory compliance and model defensibility. - **Trusted brand**: 10 years of operation, trusted by leading academics, AI developers, and Ivy League universities. ## Strategic Focus - **AI and human data**: Continuing to build the "biggest pool of human-derived data in the world" with a focus on powering AI training, safety evaluations, and benchmarks. - **US expansion**: Opening a New York City hub and hiring across the US (San Francisco, Seattle, New York) signals a major push into the North American market. - **Product development**: Active hiring for product, engineering, data science, and AI research roles indicates ongoing platform innovation and scaling. - **Enterprise growth**: Hiring for Strategic Customer Success Managers, Solutions Engineers, and Strategic Account Executives suggests a focus on enterprise and strategic accounts. ## Why Work Here - **Remote-first culture**: Prolific is remote-first with flexible work arrangements. Employees report high satisfaction with working location freedom (FlexScore data). Regular company-wide and team meet-ups, plus an annual in-person get-together. - **Autonomy and flexibility**: 81% of employees feel they have complete autonomy over their work; 83% are happy with flexible hours; 78% report good work-life balance. - **Benefits**: Home office budget for new joiners with annual top-up, personal learning and development budget, share options, and competitive benefits (86% employee satisfaction with benefits). - **Diversity and inclusion**: Strong DEI focus with a formal Diversity, Equity and Inclusion Monitoring statement; a culture that celebrates differences and removes barriers. - **Growth opportunity**: Join a fast-scaling business backed by $32M in Series A funding with a clear mission and strong product-market fit. - **Culture principles**: "We care deeply about our customers," "We embrace change," "We aim high," "We win together," "We make every minute count," "We are optimistic and find a way." - **Hiring process**: Structured 4-stage process (talent call, hiring manager interview, panel interview with task compensation, final principles interview) with feedback surveys to continuously improve. ## Sources 1. [prolific.com](https://www.prolific.com/) 2. [prolific.com/about](https://www.prolific.com/about) 3. [prolific.com/careers](https://www.prolific.com/careers) 4. [job-boards.greenhouse.io/prolific](http://job-boards.greenhouse.io/prolific) 5. [linkedin.com/company/prolific-com](https://www.linkedin.com/company/prolific-com) ## Other roles at Prolific - [Senior Data Analyst - Marketplace](https://feeny.ai/job/senior-data-analyst-marketplace-prolific-united-kingdom-0bjnp4avf57e) — United Kingdom - [Head of Growth & Acquisition](https://feeny.ai/job/head-of-growth-acquisition-prolific-united-states-6ef7zbj6vw3w) — United States - [Head of Growth & Acquisition](https://feeny.ai/job/head-of-growth-acquisition-prolific-united-kingdom-3816te1jj4vz) — United Kingdom - [Senior Product Engineer](https://feeny.ai/job/senior-product-engineer-prolific-united-kingdom-3g7mqxt5xx8h) — United Kingdom - [Research Consultant](https://feeny.ai/job/research-consultant-prolific-new-york-kvj474y16hyf) — New York, NY - [Research Consultant](https://feeny.ai/job/research-consultant-prolific-united-states-qe1whh47jhc8) — United States - [Cloud Platform Engineer](https://feeny.ai/job/cloud-platform-engineer-prolific-united-kingdom-j7bxmh1wgx02) — United Kingdom - [Human Data Operations Partner, Research](https://feeny.ai/job/human-data-operations-partner-research-prolific-united-kingdom-ak5k0nqnspvf) — United Kingdom - [Senior Human Data Operations Partner, AI](https://feeny.ai/job/senior-human-data-operations-partner-ai-prolific-north-svjwjwb98q4z) — North, United States - [Strategic Projects Lead, Managed Services](https://feeny.ai/job/strategic-projects-lead-managed-services-prolific-united-states-2syba5k9xwtf) — United States