Continue the work on the TLS modules. It would be awesome If OpenSSL (with IO::Socket::SSL and IO::Socket::Async::SSL) were feature complete, because IMHO sometimes enterprise companties need agree on some TLS specification. This would offer a consitent API for modules like Cro and others.
What final result should the project have? This should help to understand the extent of the task.
Required or prefered skills the student should have to be able to tackle this project.
If possible: easy, medium, hard
At least one person that is able (see this Google page for a description of what it takes to e a mentor) and willing to mentor for this project. Do ask the respective person beforehand!