Senior Data Scientist, Demand Forecasting, Food Systems

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About the role

Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power our end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month. Our subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box Do you consider yourself to be a Demand Forecasting Model expert and enthusiast? Then this position might be the perfect fit for you! As a Senior Data Scientist, Demand Forecasting, you will play a pivotal role in designing, implementing, and improving our demand forecasting time series and causal models that are used across HelloFresh’s global markets. In this role, you can expect to have a large and tangible impact on our global supply chain. You will work closely with forecasting data scientists and machine learning (ML) engineers, together delivering statistical and ML models to production. To succeed in this role you should be curious, a fast learner, and someone who relentlessly prioritizes problem statements and tailors the solution accordingly. You should also be comfortable suggesting multiple solutions based on your experience, prioritizing tasks based on effort and potential impact, as well as use GenAI tooling to boost your productivity. As a senior member of the Data Science team, you will jump into problem solving with others as challenges arise, and coach junior members of the team to develop their skills and increase their impact. Your team will be a place where your thoughts and opinions matter, and your contributions will have a tremendous impact on the team's success. At HelloTech, flexibility and cross-functional collaboration are core to how we work. While this role is aligned to a specific Alliance, strong candidates may also be considered for opportunities across different teams or projects. What you’ll do: The Recipe • Join and become an integral part of a high-impact data science team covering the global demand forecasting domain. • Take technical ownership of our demand forecasting time series and causal models from data collection to operationalization and closely align them with non-technical stakeholders. • Shape and transform the future of demand forecasting at HelloFresh by proposing new approaches and evolving the statistical and ML models in pace with future company strategies. • Experiment and explore opportunities to constantly improve and refine the approaches. • Work with state-of-the-art technologies - such as AWS (EMR, Glue, S3, etc), Kafka, PySpark, Airflow, and Databricks - for the full ML lifecycle, from experimentation to production deployment • Collaborate closely within cross-functional teams (product, demand planning, engineering) to translate business objectives into concrete, data-driven strategies. • Think out of the box to come up with new ways of how we can

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