<ul> <li>8&ndash;12 years of experience designing and building high-scale, data-intensive applications.</li> <li>Deep expertise in Java (and relevant frameworks) for backend and data engineering.</li> <li>Proven experience with distributed data processing systems and ingestion pipelines at scale (mandatory).</li> <li>Strong understanding of data modeling, database design, and performance tuning (SQL &amp; NoSQL) (mandatory).</li> <li>Hands-on with real-time data processing technologies: Apache Kafka, Flink or Spark (mandatory).</li> <li>Solid experience with AWS cloud services, containerization, and orchestration (Docker, Kubernetes).</li> </ul>