Senior Data Scientist - (Query Intelligence, Global Discovery) at DeliveryHero

We are on the lookout for a Senior Data Scientist to join the Global Search tribe on our journey to always deliver amazing experiences.    At Delivery Hero, you’ll shape the global consumer experience for millions of users. Your work will have a direct impact on how we attract and retain customers, creating data-driven, personalized interactions that keep them coming back. As part of our Consumer Team, you’ll enhance customer satisfaction and drive global growth and profitability through innovative projects. If you are passionate about leveraging Generative AI, Agentic workflows, and LLMs to revolutionize how users discover food and groceries, we want you on our team in the heart of Berlin! Your mission: • Advance Query Intelligence with AI: You will research, develop, and optimize advanced LLMs, with a specific focus on fine-tuning and Agentic AI to solidify and scale our query understanding services. • Architect Autonomous Agents: Design and implement agentic reasoning patterns (e.g., ReAct, Chain-of-Thought) and multi-agent orchestration to solve complex, ambiguous search problems. • Optimize via Fine-Tuning & Distillation: Lead the lifecycle of specialized models by applying PEFT (LoRA/QLoRA), supervised fine-tuning, and model distillation to create high-performance, low-latency solutions for production. • Lead Innovation: Identify and apply the SOTA methods to solve complex problems in high-complexity environments. You will take ownership of the full data science lifecycle—from ideation and fine-tuning to production. • Collaborate Across Teams: Work as part of a global, cross-functional team, collaborating closely with product managers, analysts, backend engineers, and data engineers to drive end-to-end solutions. Your partnership will be crucial in translating business challenges into impactful data science projects that solve our customers' problems and meet our OKRs. • Extract Actionable Insights: Analyze and interpret large, complex datasets to uncover meaningful insights into search relevance challenges. You'll effectively communicate these findings to stakeholders, influencing strategy and product direction across different brands and platforms. • Experiment and Lead Innovation: You'll take ownership of the full data science lifecycle, from ideation to production, ensuring solutions are scalable and effective. You'll also explore and leverage cutting-edge technologies like LLMs and Agentic AI to accelerate innovation and streamline our processes. • Master Ambiguity: Take a leading role in tackling ambiguous business problems. You will translate these challenges into well-defined data science projects with clear objectives, and confidently navigate uncertainty to deliver tangible results.