"As a senior user interface designer you will be responsible for making high level decisions about the UX of a product while leading a team of designers and engineers. The best candidates have years of experience and can showcase a history of successful projects to potential employers. A college degree is not required for this position, but in most cases some form of formal training or education is expected."
How do you form positive relationships with developers and/or stakeholders?
Be on their side. Show them that rather than being interference in a relationship, that you can serve as an interlocutor. Bring evidence.