Data Engineering Team Lead

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Smadex is seeking a Data Engineering Team Lead with 6+ years in software or data engineering and 2+ years in leadership. The role is full-time, on-site in Barcelona, Spain. Responsibilities include leading two sub-teams (Data Quality and Feature Engineering), designing scalable data pipelines for real-time ML inference, establishing data quality frameworks, enforcing data governance, overseeing feature store development with Scala, coordinating pipeline strategies with Airflow, and ensuring operational excellence. Requirements include advanced Spark and SQL skills, AWS experience (EMR, EC2, Athena, S3), strong debugging skills, and excellent English communication. Experience in AdTech, RTB, feature stores, and container orchestration (Docker, Kubernetes) is a plus. The tech stack includes Python, Scala, Bash, Spark, MySQL, Redis, AWS, Jenkins, Docker, Airflow, Git, Jira, and Notion. Benefits include competitive compensation, medical/dental/vision plans, career growth opportunities, and exposure to global digital advertising partners. Visa sponsorship is not provided.