Requirements: English
Company: Link Group
Region: Krakw , Lesser Poland Voivodeship
Big Data Engineer Full-time | AdTech Platform | Python/Java/Scala Were looking for an experienced Big Data Engineer to join our high-impact team building the backbone of a global advertising platform delivering personalized content to millions of media-enabled devices. Your work will directly influence data-driven decision making, real-time targeting, and analytics pipelines for one of the most advanced AdTech ecosystems in the industry. Collaborate closely with Data Scientists, Engineers, and Product Managers Drive quality through unit tests, integration tests, and code reviews Translate business needs into robust, technical data solutions 5+ years of experience in backend/data engineering using Python, Java, or Scala ~ Strong experience with Big Data frameworks (Hadoop, Spark, MapReduce)~ Solid knowledge of SQL/NoSQL technologies (e.G. Snowflake, PostgreSQL, DynamoDB)~ Hands-on with Kubernetes, Airflow, and AWS (or similar cloud platforms)~ Fluent in English (B2+)~ Degree in Computer Science, Telecommunications, or related technical field Experience with GoLang or GraphQL Experience in container technologies (Docker, Kubernetes)