For many years now, Haiku is a regular participant in the Google Summer of Code program, which offers paid mentorship to people willing to work full time on Haiku for a few months. Google handles the payments, while mentors from our developer team handle the onboarding of the new contributors and guide them through the project.
This is a companion discussion topic for the original entry at https://www.haiku-os.org/news/2023-05-04_haiku_mentors_3_students_in_gsoc/