Staff Software Engineer, Personalization & ML Ranking

Dow Jones; Barcelona; On-site; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Healthcare Plans

30 Days Holidays

Remote work up to 3 months/year

Meal benefit

Retirement plans

Well‑being resources

Employee referral program

Job summary

Dow Jones is seeking a Staff Software Engineer to lead the Personalization team in Barcelona. You will define technical direction for core services, overseeing candidate retrieval, scoring, ranking and surface‑specific business logic.

This is a senior IC role combining hands‑on execution, architectural leadership, and mentorship, reporting to the Engineering Director. You will design and operate personalization services, drive workflow evolution from candidate generation to scoring, and scale

Qualifications

• 7+ years of experience in software engineering, focused on architecting and delivering high‑performance, distributed backend systems.
• Experience as a technical lead or senior individual contributor, owning architecture and guiding teams.
• Proven experience designing and implementing production RESTful APIs and GraphQL services.
• Experience with multi‑region, multi‑environment deployments with CI/CD and high availability.
• Hands‑on with infrastructure‑as‑code (Terraform) and automated deployment tools.
• Experience with Docker and Kubernetes for containerized production deployments.
• Experience using LLMs in production; GenAI is a plus.

Responsibilities

• Design, build, and operate personalization services delivering relevant content across Dow Jones products.
• Lead evolution of personalization workflows from candidate generation to ranking and surface‑specific logic.
• Scale ML‑based ranking, including model integration, feature development, evaluation, and tuning.
• Own technical design, production quality, scalability, latency, observability, SLOs, and incident learning.
• Set engineering direction through design docs, architecture decisions, code reviews, and mentorship.

Skills

TypeScript

Node.js

RESTful APIs

GraphQL

Docker

Kubernetes

Terraform

LLMs in production

GenAI experience

Education

Computer Science or related field

Tools

Terraform

Docker

Kubernetes

CI/CD

Job description

Dow Jones is seeking a Staff Software Engineer to lead the Personalization team in Barcelona. You will define technical direction for core services, overseeing candidate retrieval, scoring, ranking and surface‑specific business logic.

This is a senior IC role combining hands‑on execution, architectural leadership, and mentorship, reporting to the Engineering Director. You will design and operate personalization services, drive workflow evolution from candidate generation to scoring, and scale