The following text (or something similar after feedback by @Noemi and @Nadia) should be sent over the Edgeryders mailing list to invite more developers from the community into the Open Ethnographer project.
Subject: Paid software development tasks for Edgeryders
Text: Dear Edgeryders,
If you want to take a look and maybe pick up one or more tasks, here’s everything you need to know: https://edgeryders.eu/en/node/4121#tasklist. (If you’d like a bit of help to get started, Dan and Matt also offer an intro using the pair programming technique.)
Matthias (… with Nadia, Noemi, Alberto, Arthur and the rest of the crowd)