PHP Script Enhancement in Web Software

Kindly read and then only send me request of the exact amount. I need a skilled PHP developer to edit, change and add to my PHP script in a web-based software. The main focus will be on adding new features and improving performance. Ideal Skills and Experience: - Proficiency in PHP and web-based software development - Experience with feature additions in PHP scripts - Strong understanding of performance optimization techniques 1. need to import student bulk all classes in a single excel sheet.(any classes any section) 2. need to export student bulk all classes(class, gender, category, caste wise) in a single excel sheet.(any classes any section) 3. need to export certificates, admit card, std id , teacher id, results in bulk. class wise, student wise already there. 4. can check how many students are in class 1- class n (where n is 1-12 any ). eg class1-3,1-5,1-10,1-12 5. can check/search students category wise, gender wise class 1- class n (where n is 1-12 any ). eg class1-3,1-5,1-10,1-12 6. students, teachers how many present, how many absent, how many late and how many half day ,when adding data it must reflect on dashboard. 7. fully remove each link, codecanyon and other developers name and write Kashish Computers, remove default logo and favicon , put my given logo's and set to bydefault. 8. after taking bacup restore issue, searching issue , when searching it redirects and show error. 9. total student fees (total, how much come), total teachers salary (total, how much given) show on dashboard. 10. if we take fees from student it will automatic add to the income module. and while giving the salary to teachers it should automatic add to the expenses module. 11. if you can add multi branch option