Senior ML Engineer: Real-Time Personalization & Search

Dow Jones; Barcelona; Híbrido; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare plans for you and family (p

Extra paid Time Off (30 days)

Remote work 3 months/year

Meal benefit with Pluxee

Retirement plans with employer match

Life insurance

Family care benefits

LinkedIn learning courses

Employee referral program

Descripción de la vacante

Dow Jones in Barcelona seeks a Senior Machine Learning Engineer for the Search team. You will design and build scalable systems delivering highly relevant, personalized content across our digital products.

You will collaborate with product, data science, and engineering to advance recommender, ranking, and personalization models, run A/B experiments, and leverage embeddings and LLMs to improve content understanding and retrieval at scale.

Formación

• 2–4 years of industry experience applying ML methods with focus on recommender systems, search, ranking, or personalization.
• Strong proficiency in Python for production ML systems.
• Experience with A/B testing and experimentation frameworks.
• Familiarity with cloud platforms (AWS, GCP, or Azure) and containerized environments.
• Familiarity with SQL and NoSQL databases.

Responsabilidades

• Design, build, and operate search systems powering content discovery and user engagement.
• Develop and improve ML models across the personalization stack.
• Use data-driven methods to improve candidate retrieval using embeddings and two-tower architectures.
• Drive experimentation and A/B testing to measure impact and iterate on models.
• Leverage LLMs to enhance content understanding and feature extraction.
• Optimize systems for performance, latency, and scalability.
• Collaborate with product managers, data scientists, and engineers to translate business needs into scalable solutions.

Conocimientos

Python

A/B testing

Collaboration

Communication

Educación

Bachelor's degree in Computer Science or related field

Herramientas

AWS

GCP

Azure

SQL

NoSQL

Embeddings

LLMs

Descripción del empleo

Dow Jones in Barcelona seeks a Senior Machine Learning Engineer for the Search team. You will design and build scalable systems delivering highly relevant, personalized content across our digital products.

You will collaborate with product, data science, and engineering to advance recommender, ranking, and personalization models, run A/B experiments, and leverage embeddings and LLMs to improve content understanding and retrieval at scale.