Junior Data Engineer

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Smadex is an ad-tech company processing over 4.5 million ad requests per second with sub-100ms response times. They seek a Junior Data Engineer passionate about data pipelines and performance challenges. The role involves designing, developing, and implementing data features for Machine Learning models, writing clean and testable code, monitoring production systems, and collaborating in an agile team environment. Requirements include a Bachelor's degree in Computer Science or related field, 1-2 years of software or data engineering experience, SQL, Python or Java knowledge, interest in Big Data and Machine Learning, and strong English communication skills. Bonus skills include Scala, key-value stores, AWS, Airflow, Big Data, and Spark. The tech stack includes Python, Scala, bash, Spark, MySQL, Redis, AWS, Jenkins, Docker, Airflow, Git, Jira, and Notion. The position is full-time, hybrid (2 days remote), located in Barcelona, Spain. Benefits include a competitive compensation package, professional development, flexible hours, meal vouchers, gym allowance, team events, and a modern office with amenities. Visa sponsorship is not provided.