**Role Overview:** Euronext Market Services is seeking a **Quality Assurance Engineer** to join the **Data Systems team in Porto**. The QA will play a critical role in a major transformation project, migrating our data platform from a centralized data warehouse architecture on Amazon Redshift to a modern lakehouse platform built around **Apache Iceberg**.* Strong **SQL skills** (advanced queries, joins, aggregations, performance checks).* Hands-on experience validating **data pipelines and platforms in public cloud environments**, especially **AWS**.* Experience with CI/CD tools and automation (e.G., Jenkins, GitLab).- Proven experience as a **QA Engineer** with a focus on **data platforms**.- Solid understanding of **QA core competencies**, including: * System testing * Non-regression testing * Test planning & exécution * Testing strategies* Experience leveraging QA/testing frameworks for **data quality assurance**.* Experience testing applications using frameworks like **Apache Airflow, Apache Flink and** **Apache Spark**is a plus**.*** Familiarity with **Python and Java** Development is a good asset.* Familiarity with **Linux** and **shell scripting** is a plus* Familiarity with **financial markets** is a strong advantage, or **strong motivation** to learn the **functional domain**.* Good communication skills in English.#J-18808-Ljbffr