Head of Data Science & AI — Strategy & Scale

Marley Spoon; Lisboa; Híbrido; EUR 120 000 - 180 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Hybrid work policy (remote + office)

22 annual leave days +2 days extra per

5 training days per year

Private health insurance

Food allowance

24/7 confidential employee assistance

Resumo da oferta

Marley Spoon in Portugal is seeking a Head of Data Science & AI to shape how we use data, machine learning and emerging AI technologies to improve customer experiences and decision‑making across our global business. This hybrid role is based in Portugal, with collaboration from our Lisbon office alongside flexible remote work.

You will lead a multidisciplinary team of Data Scientists and ML Engineers, turning complex business challenges into scalable, production‑ready solutions and driving

Qualificações

• 8+ years in Data Science with at least 3 years leading teams and delivering production machine learning systems.
• Strong expertise in machine learning, statistical modelling, NLP, time-series forecasting and recommender systems.
• Strong proficiency in Python and SQL, with experience using ML frameworks such as scikit-learn, XGBoost and PyTorch.
• Experience developing and operating scalable production models using orchestration platforms and MLOps practices.
• Experience with modern data and analytics platforms such as Snowflake and Looker, or comparable technologies.
• Strong knowledge of experimentation, including A/B testing and multivariate testing.
• Proven experience building, mentoring and developing high‑performing teams of Data Scientists and ML Engineers.
• The ability to translate complex technical concepts into clear recommendations for senior and non‑technical stakeholders.
• Strong business judgment and a record of connecting technical initiatives to measurable outcomes.
• Experience working in Agile, cross‑functional product and engineering environments.
• A pragmatic approach to responsible AI, model governance and emerging technologies, including large language models and generative AI.

Responsabilidades

• Define the long‑term strategy and roadmap for Data Science, Machine Learning and AI, aligning investment and delivery with company priorities.
• Build, lead and mentor a high‑performing team of Data Scientists and ML Engineers.
• Guide the development of recommendation and personalization models that tailor meals, recipes and content to customer preferences and behaviour.
• Lead forecasting and planning initiatives that improve demand prediction, resource allocation, logistics decisions and food waste reduction.
• Strengthen retention and marketing decision-making through churn prediction, customer lifetime value modelling, reactivation, segmentation, campaign optimization, ROI and attribution models.
• Embed experimentation into how we work through robust A/B testing and multivariate analysis.
• Evaluate and introduce large language models, generative AI and other emerging approaches when they provide practical customer or business value.
• Oversee the complete machine learning lifecycle—from development and validation to deployment, monitoring and retraining—using MLOps practices that support reliability, scalability and governance.
• Partner with Product, Engineering, Marketing and Operations to identify high‑value opportunities and translate technical work into clear business outcomes.
• Select and manage external platforms, tools and partners supporting our machine learning infrastructure and Data Science capabilities.
• Champion responsible AI and strengthen data and AI literacy across the organization.

Conhecimentos

Data science leadership

Machine learning

MLOps

Python

SQL

Stakeholder communication

Experimentation

Forecasting

Ferramentas

Snowflake

Looker

PyTorch

XGBoost

scikit-learn

Descrição da oferta de emprego

Marley Spoon in Portugal is seeking a Head of Data Science & AI to shape how we use data, machine learning and emerging AI technologies to improve customer experiences and decision‑making across our global business. This hybrid role is based in Portugal, with collaboration from our Lisbon office alongside flexible remote work.

You will lead a multidisciplinary team of Data Scientists and ML Engineers, turning complex business challenges into scalable, production‑ready solutions and driving