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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Scientist (French Speaking) - **Company:** Thetaray - **Location:** Toledo, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Airflow, Big Data, Data Mining, Linux, Python (Programming Language), Workflow Management Systems, Feature Engineering, Pyspark, Information Technology, Data Analytics, Machine Learning Operations - **Published:** August 19, 2026 - **Apply:** https://www.buscojobs.com.es/data-scientist-french-speaking-en-toledo-ID-367933424 ## About the Role 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 ## Description At ThetaRay, our purpose is to make the world a safer place by protecting the integrity of the global 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 worlds most critical financial crime challenges, ThetaRay could be your next challenge.Responsibilities:Deliver successful deployment and PilotsManage and design the Customer-specific technical solution throughout the project life cycleTechnical leadership of Data Science and engineering aspects and team members including partnersWork on various data sources and apply sophisticated feature engineering capabilitiesBring and use business knowledgeExtract insights and actionable recommendations from large volumes of data and Investigate anomalies in Big DataBuild and manage technical relationships with customers and partnersProvide product requirements input to the Product Management teamTrain the customers on the system - system usage and monitoring aspectsTravel to customer locations both domestically and abroadRequirements:2+ years of experience as a data scientist/data engineer/big-data developerBSc or equivalent in Mathematics, Statistics, Computer Science, Economics, or another related fieldMust have proven professional experience in data analytics for financial services with strong data mining and forensic skillsExperience working with customers - an advantageMust 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 advantageWorking experience with Linux OS - an advantageFluent English, Spanish and French - written and spokenCore CompetenciesAble to solve tech problems for customers; improvise; cope with unexpected challengesAble to drive relevant internal functions to deliver/solve a problem for customers/partnersA motivated, self-starter who can demonstrate high analytical and technical skillsAbility to design creative solutions for complex requirementsAbility to learn and lead projects independently, and to work with minimal supervision with customers (tech & business)Strong interpersonal relationship buildingAbility to execute multiple projects and drive key business results under tight deadlines ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) ## Related Articles - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Jobs in Tech: The State of the European Market](https://www.wearedevelopers.com/magazine/575-jobs-in-tech-the-state-of-the-european-market)