WHMCS integration - WHMCS Experts ONLY

i'm looking for someone with great knowledge in WHMCS integration to do the following: 1) integrate a file manager in client area, so customers can visit their client area, so they can upload/download/delete/move/rename, etc, files and folders from within their browser... i found a nice open source file manager which would work great, but i don't believe it has an API, so if you can integrate it, that would be great. (please note, i want to setup the server address, port and all settings from the admin area, which will be set for all users automatically, but when the client logs into their client area, then clicks on the file explorer or file manager, it will automatically log them into their own account without the need to request a user/pass or any server information at all). 2) integrate any open-source linux ftp server with WHMCS to auto-create ftp accounts when customer places a successful order in WHMCS. i do have some kind of a workaround this problem, but it's not perfect. so if you're not able to do this, it's fine with me, but please mention it in your bid. 3) if you know an open-source backup software which can be branded to do what we need, please let us know, so we can hire you to customize it specifically for us. it must be able to do scheduled backups, run in the background, light weight so it doesn't abuse resources. does incremental, sequential, and full backups. as well as the option to delete backups older than xx days old, or maybe automatically delete backups after reaching the maximum possible backups of xx times. the winner of this project, once the project is completed with satisfaction, we have another project ready to be posted, we'll offer it to same developer before posting publically for everyone to bid. you must agree to the following rules to bid on this project: A) outrageously high bids will be ignored. B) explain details of what your plan is, in the first msg that you send with your bid. C) delivery time can be negotiated once we find the right bid amount, and right developer that we would like to deal with. but your delivery time MUST be accurate. D) no partial payments will be released for partial work. you finish 100% of agreed work, you receive 100% of milestone. we will create 1 mile stone for the full project agreed amount, that milestone will be released at once, when project is completed and functional. bonus might be paid if results exceed our expectations.