> Markdown version of [/jobs/ext/2114223-data-engineer](https://www.wearedevelopers.com/jobs/ext/2114223-data-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Engineer - **Company:** Thetaray - **Location:** Pontevedra, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Airflow, Big Data, Cloudera Impala, Information Systems, Customer Data Management, Information Engineering, Data Files, Data Transformation, Data Structures, Linux, Elasticsearch, Apache Hadoop, Hadoop Distributed File System, Apache Hive, Machine Learning, Metadata, SQL Databases, Sqoop, Data Streaming, Feature Engineering, Apache Spark, Jupyter, Git, Pandas, Pyspark, Information Technology, Build Process, Software Version Control, Data Pipelines, Docker, Jenkins, Microservices - **Published:** August 19, 2026 - **Apply:** https://www.buscojobs.com.es/data-engineer-en-mos-ID-367826644 ## About the Role 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 engineering capabilities with hands-on experience in building and optimizing data pipelines and transformations at scale, and if you are motivated by designing the data flows that power real-world money laundering detection for global financial institutions, ThetaRay could be your next challenge. Responsibilities: Implement and maintain data pipeline flows in production within the ThetaRay system based on the data scientist's design Design and implement solution-based data flows for specific use cases, enabling the applicability of implementations within the ThetaRay product Building a Machine Learning data pipeline Create data tools for analytics and data scientist team members that assist them in building and optimizing our product into an innovative industry leader Work with product, R&D, data, and analytics experts to strive for greater functionality in our systems Train customer data scientists and engineers to maintain and amend data pipelines within the product Travel to customer locations both domestically and abroad Build and manage technical relationships with customers and partners Requirements: 2+ years of Hands-on experience working with Apache Spark - must Hands-on experience with SQL Hands-on experience with version-control tools such as GIT Hands-on experience with Apache Hadoop Ecosystem including Hive, Impala, Hue, HDFS, Sqoop etc.. Experience with Python (Pandas) Experience with PySpark/Scala/Java/R Hands-on experience with data transformation, validations, cleansing, and ML feature engineering BSc degree or higher in Computer Science, Statistics, Informatics, Information Systems, Engineering, or another quantitative field Experience working with and optimizing big data pipelines, architectures, and data sets - an advantage Strong analytic skills related to working with structured and semi-structured datasets Build processes supporting data transformation, data structures, metadata, dependency, and workload management Experience performing root cause analysis on internal and external data and processes to answer specific business questions and identify opportunities for improvement Business-oriented and able to work with external customers and cross-functional teams Fluent in English & Spanish both written and spoken Nice to have Experience with Linux Experience in building Machine Learning pipeline Experience with Elasticsearch Experience with Zeppelin/Jupyter Experience with workflow automation platforms such as Jenkins or Apache Airflow Experience with Microservices architecture components, including Docker and Kubernetes. ## 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 aData Engineerto turn expertise, initiative, and bold thinking into real impact on the next generation of AI-driven financial crime detection.If you combine strong data engineering capabilities with hands-on experience in building and optimizing data pipelines and transformations at scale, and if you are motivated by designing the data flows that power real-world money laundering detection for global financial institutions, ThetaRay could be your next challenge.Responsibilities: Implement and maintain data pipeline flows in production within the ThetaRay system based on the data scientist's design Design and implement solution-based data flows for specific use cases, enabling the applicability of implementations within the ThetaRay product Building a Machine Learning data pipeline Create data tools for analytics and data scientist team members that assist them in building and optimizing our product into an innovative industry leader Work with product, R&D, data, and analytics experts to strive for greater functionality in our systems Train customer data scientists and engineers to maintain and amend data pipelines within the product Travel to customer locations both domestically and abroad Build and manage technical relationships with customers and partnersRequirements: 2+ years of Hands-on experience working with Apache Spark - must Hands-on experience with SQL Hands-on experience with version-control tools such as GIT Hands-on experience with Apache Hadoop Ecosystem including Hive, Impala, Hue, HDFS, Sqoop etc..Experience with Python (Pandas) Experience with PySpark/Scala/Java/R Hands-on experience with data transformation, validations, cleansing, and ML feature engineering BSc degree or higher in Computer Science, Statistics, Informatics, Information Systems, Engineering, or another quantitative field Experience working with and optimizing big data pipelines, architectures, and data sets - an advantage Strong analytic skills related to working with structured and semi-structured datasets Build processes supporting data transformation, data structures, metadata, dependency, and workload management Experience performing root cause analysis on internal and external data and processes to answer specific business questions and identify opportunities for improvement Business-oriented and able to work with external customers and cross-functional teams Fluent in English & Spanish both written and spokenNice to have Experience with Linux Experience in building Machine Learning pipeline Experience with Elasticsearch Experience with Zeppelin/Jupyter Experience with workflow automation platforms such as Jenkins or Apache Airflow Experience with Microservices architecture components, including Docker and Kubernetes. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [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) ## 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) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)