A Grafana developer designs, builds, and maintains interactive data visualization dashboards using Grafana software. They integrate various data sources, such as SQL databases, APIs, and time-series databases, to display real-time performance metrics. Their role includes setting up alerts for system anomalies, ensuring data accuracy, and customizing dashboards to meet user needs. They work closely with data analysts and other stakeholders to understand data requirements and present complex data in an understandable manner. They also troubleshoot and improve existing Grafana systems, ensuring optimal performance and user experience. Their work supports data-driven decision making in organizations.