Staff Data Scientist - AdTech Ranking | Staff Data Scientist - AdTech Ranking

Job Summary

As a Staff Data Scientist on the AdTech Ranking Team at Delivery Hero, you will be a visionary leader driving transformative innovation in AI-powered ranking and bidding systems. Based in Berlin, you will lead the creation of advanced machine learning models that redefine auction dynamics and maximize advertiser ROI across a global platform operating in over 50 countries. Your day-to-day involves designing and deploying mission-critical, ultra-low-latency real-time decision systems while balancing complex multi-objective problems like revenue, engagement, and fairness. This role is unique as it offers the opportunity to shape the long-term technical strategy for one of Europe’s largest tech platforms, influencing the roadmaps of multiple engineering and product teams. You will act as a thought leader, mentoring senior staff and applying cutting-edge research in reinforcement learning and causal inference to deliver multi-million-euro business outcomes. The position is ideal for experts who want to solve intractable problems at a massive scale within a fast-paced, MDAX-listed ecosystem.