The emergence of Rust, a systems programming language, has sparked a transformation in the realm of software development. Since its introduction by Mozilla in 2010, Rust has risen steadily in popularity, owing to its performance efficiency and memory safety, without compromising on high-level abstractions usually offered by traditional languages. As Rust continues to gain traction, the need for adept Rust developers has become increasingly critical for businesses venturing into intricate domains of system programming, embedded systems, or even web development.

When considering the addition of a Rust developer to your team, it is essential to comprehend the specifics of the language, the skills required to master it, and the criteria to evaluate a potential candidate. This guide furnishes you with the requisite insights to ensure your Rust hiring process is not only seamless but also ensures you bring on board a top-notch developer.

To appreciate the need for a Rust developer, one must first delve into the unique attributes of Rust as a language. Billed as a "systems programming language that runs blazingly fast, prevents segfaults, and guarantees thread safety," Rust has carved a niche for itself in the world of software development. Its syntax, influenced by C and C++, is aimed at high-performance applications where precise control over system resources is required. Also, its emphasis on zero-cost abstraction, memory safety, and concurrency makes it an ideal choice for developing operating systems, browser components, game engines, and even file systems.

Given Rust's unique characteristics, a proficient Rust developer should exhibit a certain skill set. A deep understanding of the language's syntax, semantics, and idioms is fundamental. Proficiency in concurrent programming and knowledge of data structures and algorithms is paramount. Familiarity with other languages such as C++, Python, or JavaScript can also be a considerable advantage, given Rust's capacity to interface with these languages.

Now, how does one recognize a top-notch Rust developer amidst a sea of coders? A potential candidate should demonstrate not only proficiency in Rust but also a comprehensive understanding of system resources. A top-notch developer is someone who can demonstrate their ability to use Rust's unique features to make efficient use of system resources and build safe, swift applications. They should have a solid grasp of multi-threading and concurrency, which are central to Rust programming.

When evaluating a potential candidate, one could consider their hands-on experience with Rust projects. This experience could be gleaned from open-source contributions, personal projects, or professional assignments. Participation in Rust forums or communities could also indicate the candidate's passion and commitment to the language.

The recruitment process would be incomplete without an efficient screening process. Screening for a Rust developer should include technical tests that assess not only their knowledge of Rust but also their understanding of system programming, algorithms, and data structures. Coding challenges can help assess a candidate's problem-solving ability, coding style, and familiarity with Rust idioms.

Given the complexity and novelty of Rust, finding experienced developers can be particularly challenging. Therefore, considering candidates who are proficient in other systems programming languages like C or C++, and showing interest and potential in Rust could be a wise strategy. Such developers, with proper training and experience, can become proficient in Rust.

In conclusion, hiring a top-notch Rust developer requires a deep understanding of the Rust language, its unique features, and the skills required to master it. The hiring process should focus on assessing a candidate's understanding of system resources, concurrent programming, and their practical experience with Rust. Given the scarcity of experienced Rust developers, being open to training proficient systems programmers could be a viable strategy. The ultimate goal is not only to hire a competent Rust developer but also to ensure they can successfully use Rust's unique features to deliver efficient, effective software solutions.