Developed an observability enhancement for the taskforcesh/bullmq repository, focusing on metrics export functionality. The work introduced support for an optional globalVariables object in the exportPrometheusMetrics function, allowing these variables to be appended as labels to each job count metric. This approach enables more granular filtering and analysis within Prometheus dashboards, supporting improved SLA monitoring and capacity planning. The implementation was carried out using TypeScript and JavaScript, with a new test added to verify the correct inclusion of global variables in exported metrics. The update reflects a methodical, test-driven approach to backend development and metrics integration for production systems.