1.) Development: Write and modify ABAP code to implement new functionalities, customize existing SAP applications, and develop new applications. 2.) Customization: Modify standard SAP programs, screens, and reports, and create custom interfaces and forms.3.) Debugging and Troubleshooting: Identify and fix issues, such as program errors, performance problems, and data inconsistencies. 4.) Integration: Develop interfaces using technologies like IDocs, BAPIs, and RFC.5.) Optimisation: Improving database queries, reducing unnecessary processing, and implementing best practices for ABAP development.6.) Maintenance and Support: Provide ongoing support for SAP systems, including fixing bugs, implementing enhancements, and applying upgrades. 7.) Documentation: Document code and technical specifications to ensure proper understanding, maintenance, and future enhancement.