Hi sir
Thank you for posting this project. I and my team very serious in this project. We have done a chat system backend in AWS alike Wechat, with file transfer cross-platform.
Relevant Skills and Experience
MySQL, PHP, Android, iOS, XCode
Proposed Milestones
€50000 EUR - Milestone
As I express above, my team has done an private message app that allow user to chat, share image and document in small group. Message and document could be encrypt, and decrypted only by enter passphase...
Please let me know when you are online, so we could discuss. I'm very serious, and I'm looking for long term relationship!
Thanks & B/R