Senior Software Engineer, Personalization

apartmentDow Jones & Co. placeBarcelona calendar_month 

Experteer Overview

As a Senior Software Engineer in the Personalization team, you design and build scalable systems that deliver highly relevant content. You will work at the intersection of backend engineering, data, and applied AI to connect users with the most relevant articles and experiences.

You’ll develop and operate personalization services, including RAG pipelines and content-based or hybrid recommender systems, collaborating with product, data science, and design partners. This role offers impact by shaping how readers discover content across Dow Jones’ platforms.

Compensaciones / Beneficios
  • Design, build, and operate personalization services powering content discovery and user engagement
  • Develop and maintain RAG pipelines integrating LLMs with structured and unstructured data sources
  • Build recommendation engines using collaborative, content-based, or hybrid approaches
  • Own services end-to-end: architecture, implementation, deployment, and production reliability
  • Collaborate with product managers, data scientists, and analysts to translate business needs into scalable solutions
  • Optimize systems for performance, latency, and scalability in high-traffic environments
  • Contribute to engineering best practices, including testing, observability, and CI/CD
Responsabilidades
  • 3+ years of experience building backend systems and distributed services
  • Strong proficiency in Python (production-grade systems)
  • Experience with RAG pipelines or LLM-based applications
  • Understanding of data modeling, APIs, and microservices architectures
  • Experience with cloud platforms (AWS, GCP, or Azure) and containerized environments
  • Familiarity with SQL and NoSQL databases
  • Experience building personalized recommendation systems (ranking, candidate generation, user embeddings)
  • Familiarity with ML workflows, feature engineering, and experimentation (A/B testing)
Requisitos principales
  • Healthcare plans for you and family
  • Extra paid time off (30 holidays/year)
  • Remote work options (3 months/year or quarterly)
  • Meal benefit with Pluxee
  • Retirement plans with employer match
  • Well-being resources and subsidies
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