A Crystal Reports developer designs, creates, and manages reports and data analysis using Crystal Reports software. They manipulate data to create clear, understandable, and visually appealing reports for businesses. Their tasks include gathering and interpreting business requirements, designing report layouts, developing database queries, integrating data from various sources, and troubleshooting report issues. They also ensure data accuracy and usability, often working closely with other IT professionals or stakeholders. They may also provide training and support to users on report generation. Their work helps businesses make informed decisions based on data insights.