Lead Data Scientist

About Our Organization Dow Jones is a global provider of news and business information, delivering content to consumers and organizations around the world across multiple formats, including print, digital, mobile and live events. Dow Jones has produced unrivaled quality content for more than 130 years and today has one of the world's largest news-gathering operations globally. It is home to leading publications and products including the flagship Wall Street Journal, America's largest newspaper by paid circulation; Barron's, MarketWatch, Mansion Global, Financial News, Investor's Business Daily, Factiva, Dow Jones Risk & Compliance, Dow Jones Newswires, OPIS and Chemical Market Analytics. Dow Jones is a division of News Corp (Nasdaq : NWS, NWSA; ASX : NWS, NWSLV).

About the Role Dow Jones is looking for an experienced Lead Data Scientist to guide and enhance the core data science capabilities within the Dow Jones AI Engineering Team and our Commercial Tech team. You will take ownership of designing, constructing, and maintaining machine learning pipelines tailored for multiple AI applications, with a focus on Natural Language Processing.

You will oversee the data science project development lifecycle, from data analysis and model selection to developing proofs of concept and refining pipelines.

You Will Lead collaboration within the AI Engineering Team to maintain and optimize robust data pipelines supporting multiple ML models, with a focus on information retrieval and AdTech applications.

Engineer scalable, high-performance machine learning solutions, using modern modeling techniques, rigorous testing methodologies, and early validation on targeted user cohorts.

Guide strategic decision-making by drawing meaningful insights from large datasets, defining key metrics, and developing relevant solutions to address business challenges.

Partner with cross-functional teams to translate business requirements into technical solutions, ensuring alignment with strategic objectives.

Lead the integration and deployment of diverse ML models into production systems, ensuring interoperability, performance optimization, and real-world effectiveness.

Mentor junior team members, promoting collaboration, knowledge sharing, and professional development, while contributing to strategic decision-making to enhance the AI capabilities of the team.

Stay ahead of AI, ML, and NLP advancements, incorporating new trends to enhance processes and model performance.

Identify and scope new data programs, asking thoughtful questions, diagnosing the primary business problems, and developing long-term, impactful solutions.

You Have 7+ years of industry experience in data science or machine learning engineering, with experience leading projects and mentoring teams.

Expert-level programming skills in Python or another high-level language commonly used in machine learning.

Expertise in NLP and Machine Learning frameworks and libraries (e.g., PyTorch, HuggingFace, LangChain, spaCy, NLTK, scikit-learn).

Experience with information retrieval techniques and structured data extraction from unstructured sources.

Hands-on experience with LLM APIs for pre-processing, fine-tuning, and deploying models on cloud-based infrastructure (AWS, GCP).

Proficiency in containerization and orchestration technologies such as Docker and Kubernetes for scalable ML solutions.

Demonstrated ability to drive impact in AI-driven applications such as document analysis, classification, summarization, translation, personalization, and chatbots.

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)

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.)

Education Benefits

Family Care Benefits & Caregiving Support

Subscription Discounts

Employee Referral Program

These benefits can be reviewed at any moment by the company

Hybrid Reasonable accommodation : Dow Jones, Making Careers Newsworthy - We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. EEO / AA / M / F / Disabled / Vets. We strongly encourage applications from all qualified individuals, including women, people with disabilities, and those from underrepresented groups. Dow Jones is committed to providing reasonable accommodation for qualified individuals with disabilities, in our job application and / or interview process. If you need assistance or accommodation in completing your application, due to a disability, email us at Please put "Reasonable Accommodation" in the subject line and provide a brief description of the type of assistance you need. This inbox will not be monitored for application status updates.

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