Jobs at Prolific

Interim lead for Growth Data Science & Analytics managing a team of three. Own analytics roadmap, BI reporting, and ExCo-facing insights on marketplace health and revenue. Prioritise delivery, stakeholder management, and translating complex analysis into clear executive narratives to inform growth investments.

Build and validate verification systems to identify high-quality expert participants. Define problems, generate hypotheses, run experiments, prototype ML/statistical solutions, and turn approaches into production-ready models while collaborating across teams.

Design and prototype applied ML methods to improve human data quality, judgement aggregation, and AI evaluation. Build experiments, benchmarks, and reliability tests; apply classical ML, statistics, LLMs, and agentic techniques. Rapidly prototype with Python, partner with product and engineering to translate methods into scalable platform capabilities, and communicate technical trade-offs to stakeholders.

Own analytics across the participant lifecycle to support acquisition, onboarding, activation, engagement, quality, retention and reactivation. Build metrics, dashboards, and experimentation frameworks with SQL and Python; partner with Product, Operations, Growth, and Data Science to run experiments and translate marketplace data into actionable decisions that improve participant health and supply sustainability.

Lead design and scaling of acquisition strategies and sourcing systems to attract, engage and onboard specialised expert contributors. Own end-to-end expert acquisition funnel, optimise conversion and quality using data, build repeatable processes, dashboards and playbooks, and partner cross-functionally with Product, Engineering and Data Science to meet customer demand.

As a Senior Product Designer, you will identify problems, shape product design, elevate user experiences, and collaborate with cross-functional teams at Prolific.

As a Technical Lead, you'll oversee technical projects, mentor engineers, ensure high-quality solutions, and influence strategic decisions in a collaborative environment.

Build and maintain scalable data pipelines and platform components to serve analytics, ML, and product teams. Design data services/APIs, ensure data quality, observability, security and compliance, and evolve cloud-native infrastructure using IaC and Kubernetes. Partner with cross-functional teams, produce documentation, and ship reliable, tested data solutions.

Design, build, and maintain scalable data pipelines and platform services to support analytics, ML, and product teams. Implement infrastructure-as-code (Terraform) and Kubernetes-based deployments, develop data services/APIs, and ensure data quality, observability, security, and compliance. Partner with cross-functional teams, document systems, and continuously improve performance and reliability.

Own end-to-end product-led growth (PLG) for Prolific's self-serve B2B SaaS customers: drive acquisition, activation, engagement and retention across paid and organic channels, build onboarding and lifecycle programs, define PQLs, optimize paid strategy, partner with Product/Sales/RevOps/CS, and run experimentation to improve funnel metrics.

Define and build quality frameworks for human data programs, partner with clients and engineering to design evaluation, recruitment and annotation strategies, implement automated checks and dashboards, investigate data integrity, and upskill teams to deliver high-quality human data at scale.

As a Senior Product Engineer, you'll lead in developing web applications, working collaboratively with cross-functional teams while ensuring high code quality and observability in production systems.

Manage and optimise GKE Kubernetes clusters using Terraform; implement GitOps (ArgoCD) and developer golden paths; build infrastructure for safe, scalable deployments; support cloud compliance (SOC2, ISO-27001, Cyber Essentials); produce developer-facing documentation; act as GCP/Kubernetes technical lead and participate in on-call rotation.

Provide high-volume, empathetic participant support: investigate and resolve account, payment, verification, and hold issues; escalate technical or policy problems; identify trends and drive operational improvements; collaborate cross-functionally to advocate for participants; own support-led initiatives, documentation, and process improvements to scale support quality and efficiency.

Lead Product Designer managing design vision and execution across multiple teams, enhancing user experiences within Prolific's marketplace and services.

As Product Manager, you'll oversee a team developing AI tools, manage the complete product lifecycle, and collaborate across departments to ensure alignment with market needs.