Principal Full-Stack Data Scientist - Foundational Models

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Principal Full-Stack Data Scientist – Foundational Models based in the United States. Join a collaborative, innovation-driven team building foundational machine learning systems that power personalized experiences and intelligent recommendations at scale.

In this role, you will shape the future of personalization by developing advanced models, embeddings, retrieval systems, and recommendation technologies. You will own the complete machine learning lifecycle, from identifying opportunities and prototyping new approaches to deploying, monitoring, and optimizing production models.

Working with large-scale behavioral, transactional, textual, and visual datasets, you will explore cutting-edge techniques in deep learning, generative AI, and multimodal modeling. Your work will directly influence product experiences and business outcomes through rigorous experimentation, measurable improvements, and scalable ML solutions.

Partnering with Data Scientists, ML Engineers, Product teams, and other technical stakeholders, you will translate research into reliable, reusable capabilities. This remote opportunity is ideal for a seasoned technical leader who combines strong hands-on engineering skills with scientific curiosity, strategic thinking, and a passion for impactful innovation.