A JQL (Jira Query Language) Developer specializes in using Jira's search language to manipulate, track, and report on issues within the Jira software, a project management tool. They create complex search queries, filters, and reports to extract specific data and provide insights. Their role involves understanding client requirements, creating tailored solutions, and troubleshooting any Jira-related problems. They might also train others in JQL. Additionally, they may work on customizing Jira workflows, screens, fields, and dashboards. Their work aids in project management, issue tracking, and enhances overall productivity and efficiency.