A developer primarily designs, develops, and maintains Hive queries and scripts to support data analysis and reporting. They leverage Apache Hive, a data warehouse infrastructure built on top of Hadoop for providing data summarization, query, and analysis. They also work on data extraction, transformation, and loading (ETL) processes, manage Hive databases, and optimize performance. They collaborate with data scientists and analysts to create scalable solutions and data-driven applications. Their role also involves troubleshooting issues, ensuring data security, and staying updated with latest industry trends. Familiarity with SQL, Java, and Linux is often required.