Job Description:Machine Learning Engineer, PersonalizationDow Jones Job Location: Barcelona About the Team:Our Technology team drives the evolution of our Engineering, Data, Product and User Experience functions.
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With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our customers, readers and users.
From revolutionizing visuals to optimizing tools and harnessing the power of data, mobile, video and social platforms, our team is committed to providing a seamless and immersive experience across all touchpoints.
Collaborating closely with our newsrooms and strategic partners, we spearhead the development of groundbreaking products and technologies.About the Role:We are looking for a Senior Machine Learning Engineer to join our Personalization team in Barcelona.
You will design and build systems that deliver highly relevant, personalized experiences across our digital products.




This role sits at the intersection of backend engineering, data, and applied AI—leveraging modern architectures and machine learning techniques to connect users with the most relevant content.You will play a key role in building scalable indexing, retrieval and ranking systems that serve personalized content to millions of readers in real time.
You will partner closely with product, data science, and engineering teams, bringing technical depth and sound judgment to architectural decisions, model design, and evaluation methodology.You Will:Design, build, and operate personalization systems and services powering content discovery and user engagement.Develop and improve ML models across the whole personalization stack, from candidate generation to final ranking.Use data-driven methods to improve candidate retrieval, leveraging embeddings, two-tower architectures, and user/content signals.Drive experimentation and A/B testi

📌 Remote Machine Learning Engineer (Barcelona)
🏢 Dow Jones
📍 Barcelona