Senior Software Engineer, Personalization

Job Description:

Senior Software Engineer Personalization

Dow Jones Job Location: Barcelona Job ID ITD5035 - Sr Software Engineer

About the Team:

Our Technology team drives the evolution of our Technology Engineering Data Product and User Experience functions. 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 Software 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 AIleveraging modern architectures and machine learning techniques to connect users with the most relevant content.

You will play a key role in developing scalable personalization platforms including recommendation systems and retrieval-augmented generation (RAG) pipelines working closely with product data science and design partners.

You Will:

• Design build and operate personalization systems and services powering content discovery and user engagement

• Develop and maintain RAG pipelines integrating LLMs with structured and unstructured data sources

• Build recommendation engines (content articles entities or signals) 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 technical solutions

• Optimize systems for performance latency and scalability across high-traffic environments

• Contribute to engineering best practices including testing observability and CI/CD

You Have:

• 3 years of experience building backend systems and distributed services

• Strong proficiency in Python (production-grade systems)

• Experience working with RAG pipelines or LLM-based applications

• Understanding of data modeling APIs and microservices architectures

• Experience working with cloud platforms (AWS GCP or Azure) and containerized environments

• Familiarity with SQL and NoSQL databases

• Experience building personalized recommendation systems (e.g. ranking candidate generation user embeddings)

• Familiarity with machine learning workflows feature engineering and experimentation (A/B testing)

Our Benefits:

• Comprehensive Healthcare Plans for you and your family (paid by Dow Jones)

• Extra paid Time Off (30 days of holidays/year)

• Possibility to work remotely for 3 months/year (desplazamiento program) or one week of remote work per quarter

• Meal benefit with Pluxee (171/month on top of your salary)

• Retirement Plans (Dow Jones will pay 2% of a members Pensionable Salary and match employee contribution up to a maximum of 3 %).

• Comprehensive Insurance Plans

• Well-being Resources (200 USD allowance per quarter Classpass etc.)

• Family Care Benefits & Caregiving Support

• Subscription Discounts

• Employee Referral Program

#LI-Hybrid

This is a hybrid remote/in-office role based in Barcelona.

Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race color religion sex age national origin protected veteran status disability status or any other protected characteristic. We strongly encourage applications from all qualified individuals including women people with disabilities and those from underrepresented groups.

Reasonable Accommodation

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