About the role:

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We're looking for a Staff Data Scientist to lead the technical direction, scaling, and evolution of our core AI capabilities across two tightly connected domains:
- Search, Ranking & Recommendations: advancing our multi-stage retrieval and ranking systems (Two-Tower networks, Vector Search/ANN, LTR) to optimize catalog discovery for raw physical products and designs, with a particular focus on multimodal and sequence embeddings.
- Generative AI & Visual ML: scaling our image intelligence pipeline by combining multimodal generative models with classical and deep computer vision. You'll drive systems that generate rich features and embeddings for recommendation engines, as well as tools that help merchants with content creation, smart product delayering, and automated visual asset processing.

You'll lead the modeling strategy and collaborate across our data science and machine learning engineering teams,



advancing our production systems from early successes to enterprise-grade AI infrastructure.
Your daily tasks will include:
Leading & scaling recommendation and search systems
- Lead the architectural direction for candidate retrieval, multi-objective ranking, and learning-to-rank (LTR) models across raw product and design recommendations.
- Advance our personalization engines, incorporating sequence embeddings of merchant history, niche trends, and sales performance signals to surface the best products and designs.
- Connect downstream merchant sales and conversion data back into upstream design generation and candidate ranking models to continuously improve recommendation relevancy.

Driving AI design generation & vision pipelines
- Oversee image generation pipelines that combine LLMs/multimodal models with deep learning architectures (e.g., diffusion models, UNets, Vision Transformers) to gene

📌 Staff Data Scientist (España)
🏢 AlleyCorp
📍 España