Barcelona-based Senior ML Engineer: GenAI Pipelines

News Corp; Barcelona; On-site; EUR 65,000 - 90,000; Full time

Job summary

Dow Jones is seeking a Senior Machine Learning Engineer in Barcelona to design and maintain ML pipelines and infrastructure supporting GenAI models. You will work with data scientists to deploy, fine-tune, and monitor NLP/ML systems in production.

The role emphasizes robust software engineering, scalable cloud production, and collaboration with cross-functional teams to deliver measurable value.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field.
• 2-4 years of industrial experience in a machine learning engineering, data science or data engineering role.
• Strong programming skills in Python and/or another high-level language commonly used in machine learning.
• Experience with NLP and Machine Learning frameworks and libraries (e.g., PyTorch, HuggingFace, LangChain, spaCy, NLTK, scikit-learn, etc.).
• Experience in developing and managing NLP-focused data infrastructure, including storage, indexing, and retrieval systems.
• Proficiency in vector storage, indexing, and graph database technologies for scalable operations in cloud environments.
• Familiarity with cloud-based infrastructure and services (e.g., AWS, GCP, etc.).
• Experience with containerization and orchestration technologies, such as Docker and Kubernetes, on cloud-based infrastructure.
• Experience with version control systems such as Git.
• Strong communication and collaboration skills, and a passion for working as part of a team.

Responsibilities

• Collaborate with data scientists and engineers to integrate ML models into various AI/ML pipelines, covering pre-processing, fine-tuning, and deployment.
• Implement optimized data storage and indexing systems for NLP, utilizing advanced database technologies.
• Develop tools and frameworks for model training, tuning, and evaluation, ensuring seamless infrastructure integration.
• Partner with data scientists and engineers to integrate models into production, leveraging cloud infrastructure as needed.
• Monitor and improve model performance for accuracy and efficiency.
• Provide ongoing support, troubleshoot issues, and implement updates for ML models.
• Build and maintain data processing pipelines for high volumes of structured and unstructured data.
• Develop and maintain documentation for all ML infrastructure and support processes.
• Stay updated on GenAI, NLP, ML, and IR technologies, incorporating best practices and leveraging cloud infrastructure for efficiency.

Skills

Python

NLP

PyTorch

HuggingFace

LangChain

spaCy

scikit-learn

NLP infra

Education

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

Tools

Docker

Kubernetes

Git

AWS/GCP

Job description

Dow Jones is seeking a Senior Machine Learning Engineer in Barcelona to design and maintain ML pipelines and infrastructure supporting GenAI models. You will work with data scientists to deploy, fine-tune, and monitor NLP/ML systems in production.

The role emphasizes robust software engineering, scalable cloud production, and collaboration with cross-functional teams to deliver measurable value.