Refinery89

Data Scientist

• Lead development of statistical and machine learning models to optimize performance
• Design and execute A/B/n experiments for measurable improvements
• Translate results into production-ready solutions
• Collaborate with cross-functional stakeholders to identify use cases
• Own the model lifecycle from ideation to performance monitoring
• Present findings to technical and non-technical audiences
• Contribute to data science practices and frameworks

Data Scientist – Medior

Sales Development Rep

• Lead publisher acquisition efforts across the French market, from prospecting to closing.
• Build and maintain a healthy pipeline of qualified opportunities through outbound outreach and networking.
• Own the full sales cycle, including prospecting, qualification, discovery, relationship building, proposal discussions, negotiation, and closing.
• Develop and execute market penetration strategies to expand Refinery89's presence in France.
• Build trusted relationships with prospective and existing publishing partners.
• Collaborate closely with operational and commercial teams to ensure a smooth onboarding experience for new clients.
• Maintain accurate and up-to-date records of all sales activities within the CRM.
• Consistently achieve and exceed monthly, quarterly, and annual sales targets.

Sales Development Representative

Product Manager

• Define and own the product roadmap for Refinery89’s ad serving, header bidding, and monetisation infrastructure.
• Lead the full product lifecycle from discovery and prioritisation through to delivery, launch, experimentation, and iteration.
• Work embedded within engineering squads in an agile environment, participating directly in standups, sprint planning, retrospectives, and technical discussions.
• Drive experimentation initiatives focused on improving yield, fill rate, latency, viewability, and overall publisher revenue performance.
• Partner closely with data science teams to define, monitor, and interpret monetisation KPIs and platform performance metrics.
• Maintain a strong understanding of changes across the programmatic advertising ecosystem and translate them into actionable product decisions.
• Collaborate closely with commercial and publisher success teams to gather market feedback and align roadmap priorities with publisher needs.
• Write detailed product specifications, PRDs, user stories, and technical requirements consumed directly by engineering teams.
• Communicate product strategy, roadmap progress, and key initiatives clearly to leadership and cross-functional stakeholders.
• Help push innovation across the platform by exploring emerging technologies, identity solutions, and monetisation opportunities within the evolving privacy landscape.

Data Scientist – Medior

Sales Development Representative

Senior Product Manager