Teilzeit / Praktium - Java Pro for projects with a workload of about 20/h per week

Do you have experience with Java and larger Java applications?
For a project we are searching for developers that can a) analyze an existing legacy application and b) implement new features.
The workload for this first project will be about 20/h per week for 3-6 months or fulltime for 2 months - PM me if you are interested