Senior GenAI Software Engineer

Dow Jones & Company, Inc.; Barcelona; Híbrido; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Comprehensive Health plans

Remote work options (3 months/year)

Meal benefit via Pluxee

Retirement plans and pension match

Descripción de la vacante

Dow Jones is seeking a Senior Software Engineer to join the GenAI Experiences team in Barcelona. You will own end-to-end delivery of AI-powered features, collaborating with data scientists, ML engineers, and product managers to design scalable backend services and integrate LLM APIs.

Lead technically on large projects, mentor colleagues, and remain hands-on in design, implementation, and production operations.

Formación

• Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or related STEM field or equivalent experience.
• 3-5 years of industry software engineering experience building and operating production systems.
• Strong Python skills and experience building scalable backend services and REST/GraphQL APIs.
• Experience with cloud-based infrastructure and services (AWS, GCP), Docker, and Git.
• Experience deploying and monitoring ML models or generative AI systems in production environments, incl. automated evaluation pipelines.
• Familiarity with LangChain, LangGraph, LangSmith, or equivalent orchestration frameworks.
• Exposure to MLOps tooling—model deployment, monitoring, experiment tracking, evaluation pipelines.
• SQL proficiency and experience with data pipeline tooling (Airflow or equivalent).

Responsabilidades

• Design, build, and own end-to-end delivery of AI-powered features across the GenAI Experiences platform — from backend APIs and data layers to user-facing integrations.
• Partner with product managers, data scientists, and engineering leads to translate business requirements into reliable technical solutions, surfacing risks and tradeoffs.
• Integrate internal and third-party LLM and AI APIs to extend system functionality and deliver new product capabilities.
• Develop tools and frameworks for prompt management, automated evaluations, and observability.
• Improve team processes — code quality standards, testing practices, observability, and CI/CD pipelines.
• Monitor and improve production AI systems for reliability, performance, and quality — troubleshooting issues across the full stack.
• Integrate third-party AI APIs (internal and external) to extend the functionality of systems.
• Participate in code reviews, apply MLOps best practices, and contribute to team standards for model versioning, experiment tracking, and CI/CD.
• Stay updated on developments in fullstack engineering for GenAI and IR technologies, incorporating best practices and leveraging cloud infrastructure for efficiency.

Conocimientos

Python

Cloud infrastructure (AWS, GCP)

Docker

Git

LangChain/LangGraph/LangSmith

MLOps tooling

SQL

Educación

Bachelor's or Master's in Computer Science/Engineering/Data Science

Herramientas

Airflow

REST/GraphQL APIs

LangChain / related frameworks

Descripción del empleo

Dow Jones is seeking a Senior Software Engineer to join the GenAI Experiences team in Barcelona. You will own end-to-end delivery of AI-powered features, collaborating with data scientists, ML engineers, and product managers to design scalable backend services and integrate LLM APIs.

Lead technically on large projects, mentor colleagues, and remain hands-on in design, implementation, and production operations.