If you want to work after studying in the UAE your first step should be to apply for an employment visa for this you would need to secure a full time job in UAE. You would have to switch to employer sponsored visa from student sponsor visa to be able to work legally in UAE .After you have secured a job in UAE it is the employer’s responsibility to commence the employment visa application process on your behalf. You would just have to submit the documents required. After getting the employment visa you would also require to have a residence visa in order to work in UAE.