Most of their posts are along these lines
I can help you for the development of exchange platform. Already developed exchange and ICOs previously. Let's connect on telegram @KnightThunder for the further discussion.
I have already developed gambling website previously. I can help you with development. Add me on telegram @KnightThunder for the further discussion.
are you still looking for a developer who can help you with your cryptocurrency project? If yes please ping me on the telegram @KnightThunder for the further discussion.
We are a group of Blockchain developers and can help you to develop your mentioned functionalities. Please send me your contact details for the further discussion or add me on telegram @KnightThunder
and they go on 14+ pages of their posts...
When I was looking to hire a developer myself, I asked them to show their previous work and they never replied.
I am a mobile developer having 5+years of experience in building responsive and intuitive mobile design. I can develop an application as per your requirements. Please share your project details with me. I am ready to sign NDA as well. Let's connect.
Show me a mobile application you've developed using KotLin pleaseFor now, I've left them negative feedback for spamming services and an unreliable developer. Should I keep the feedback or remove it? I feel these scums live off project owners upfront money and have no real potential to launch any projects or write two decent lines of code for that matter.