Develop Software Requirements Specification (SRS) for App Development

Developing an app to be based in an overseas country, but want to initiate the search for an app company now from Australia I want this app developer to be based locally to the target audience and as such am putting a tender brief (SRS Document) for developers to quote on I have : • The app concept • Scope I don’t have : • Technical knowledge to develop SRS Document I Require a Perth based professional to: • Assist in the SRS development • Provide advice on the development platform (such as xamarin) to cater for both ios and android. • Mentor / tutor me on the technical aspect (I want to learn the basics) • Provide an hourly rate (and Total estimate) to deliver the technical aspect of the SRS document.