add function to symfony 3 / Mysql website

Need help to add a functionality to my client website There are 3 levels of users, Admin, level 2, level 3. Admin has access to all users, create, delete edit users. This is completed and working. Each user level2 and level3 will have access to edit their profile. They can edit name, password, email, etc. We need to add a section so users can add human resources documents to their profile. Every document is PDF or an Image in PNG/JPG format, will have an expiration date, an Icon to view it and an Icon to upload/Update. IMAGE1 All documents will be store ins AWS S3, and the links to the documents in a local MySQL database. Admin User will have access to a table of all documents from all users, with permissions to view/Upload or update the expiration date. IMAGE2 Lastly based on the expiration date each document cell will be display in Yellow for documents about to expire and RED for documents expired. Notifications via email will be send to both, Users and admins for both expired and about to expire documents. I have the code on SVN, you need to feel confortable working with SVN and mergind the code there. I expect commits to the code 2 times a week, and a bug free code. I don’t have much time, if you can not do it in less than 2 weeks do not BID. I will prefer to work with ONE developer instead of a company.