"Senior .Net Full Stack Developer in an Agile & TDD
Established & very successful organisation without the corporate brand
This is your chance to join a newly forming team to offer a product to a new global market.
Please apply today to learn more & view the full job description."
It sounds like the hiring company is trying to hide a project.
Either that or a recruiter advertising non-existent positions, so they can get you CV on file for future positions.
Strike me as odd