Staff Software Engineer - Personalization & ML Platforms

News Corp; Bellprat; Hybrid; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Comprehensive Healthcare Plans

Extra paid Time Off (30 days)

Remote work options (3 months/year)

Meal benefit incl. Pluxee

Retirement Plans

Insurance Plans

Well‑being resources

Family care benefits

Subscription discounts

Employee referral program

Job summary

Dow Jones is seeking a Staff Software Engineer for its Personalization team in Barcelona to define the technical direction for core services, overseeing candidate retrieval, scoring, ranking and surface‑specific logic. This senior IC role combines hands‑on coding with architectural leadership and team mentorship.

You will drive design decisions, scale ML‑based ranking, and ensure reliability, latency, and observability across multi‑region deployments, while advancing CI/CD and IaC practices with

Qualifications

• 7+ years of experience in software engineering, focused on architecting and delivering high‑performance backend systems.
• Proven experience as a technical lead or senior individual contributor.
• Experience designing production RESTful APIs and GraphQL services.
• Experience with multi‑region, multi‑environment systems, CI/CD, HA and DR.
• Hands‑on with infrastructure‑as‑code (e.g., Terraform) and automated deployment tools.
• Experience with Docker and Kubernetes in production environments.
• Experience using LLMs in production; GenAI experience is a plus.
• Degree in Computer Science or related field or equivalent experience.

Responsibilities

• Design, build, and operate personalization services delivering relevant content across Dow Jones products.
• Lead the evolution of personalization workflows from candidate generation to ranking and reranking.
• Scale algorithmic improvements and ML‑based ranking including model integration and feature development.
• Own technical design, production quality, scalability, latency, observability, SLOs, incident response, and post‑incident learning.
• Set engineering direction through design docs, architecture decisions, code reviews, and mentorship.
• Improve CI/CD, infrastructure‑as‑code, and containerized deployments; leverage AI tools where appropriate.

Skills

7+ years experience

Technical lead

RESTful APIs

GraphQL services

CI/CD

Infrastructure as code

Docker

Kubernetes

LLMs in production

Computer Science degree

Education

Degree in Computer Science or related field

Tools

Terraform

Docker

Kubernetes

GraphQL

REST

Job description

Dow Jones is seeking a Staff Software Engineer for its Personalization team in Barcelona to define the technical direction for core services, overseeing candidate retrieval, scoring, ranking and surface‑specific logic. This senior IC role combines hands‑on coding with architectural leadership and team mentorship.

You will drive design decisions, scale ML‑based ranking, and ensure reliability, latency, and observability across multi‑region deployments, while advancing CI/CD and IaC practices with