At ThetaRay, our purpose is to make the world a safer place by protecting the integrity of the general financial system. We do this by putting AI at the core of both our technology and our way of working. Our AI-driven solutions help banks and fintech companies worldwide detect and stop serious financial crime, from human trafficking and terrorist financing to sophisticated money laundering, while advanced technology, automation, and AI-driven tools help our teams collaborate smarter, move faster, and continuously improve how we build, deliver, and innovate.

About the role: We are looking for a French speaking Data Scientist to turn expertise, initiative, and bold thinking into real impact on the next generation of AI-driven financial crime detection. If you combine strong data science and machine learning capabilities with the ability to translate complex technical solutions into real business value for customers, and if you are motivated by leading end-to-end implementations that sit at the intersection of cutting-edge AI and the world's most critical financial crime challenges, ThetaRay could be your next challenge. Responsibilities:

Deliver successful deployment and Pilots

Manage and design the Customer-specific technical solution throughout the project life cycle

Technical leadership of Data Science and engineering aspects and team members including partners

Work on various data sources and apply sophisticated feature engineering capabilities

Bring and use business knowledge

Extract insights and actionable recommendations from large volumes of data and Investigate anomalies in Big Data





Build and manage technical relationships with customers and partners

Provide product requirements input to the Product Management team

Train the customers on the system – system usage and monitoring aspects

Travel to customer locations both domestically and abroad Requirements:

2+ years of experience as a data scientist/data engineer/big-data developer

BSc or equivalent in Mathematics, Statistics, Computer Science, Economics, or another related field

Must have proven professional experience in data analytics for financial services with strong data mining and forensic skills

Experience working with customers - an advantage

Must have Hands-on experience and knowledge of scripting languages: Python/PySpark as well as DS workflow management tools including MLflow, Airflow, etc.

Experience in NLP or Graph Algorithms - an advantage

Working experience with Linux OS - an advantage

Fluent English, Spanish and French - written and spoken Core Competencies

Able to solve tech problems for customers; improvise; cope with unexpected challenges

Able to drive relevant internal functions to deliver/solve a problem for customers/partners A motivated, self-starter who can demonstrate high analytical and technical skills

Ability to design creative solutions for complex requirements

Ability to learn and lead projects independently, and to work with minimal supervision with customers (tech & business)

Strong interpersonal relationship building

Ability to execute multiple projects and drive key business results under tight deadlines

📌 Data Scientist (French Speaking) (Madrid)
🏢 Thetaray
📍 Madrid