Java2 Program Modification Expert Needed -- 2

I need a skilled Java2 programmer to modify configuration settings in my existing program. The original developer is unavailable and I am unfamiliar with the code.

Key Requirements:
- Modify existing logic, no new features needed
- Ensure program generates detailed logs post-modification

Ideal Skills and Experience:
- Expertise in Java2
- Experience with program debugging and modification
- Ability to explain technical details in simple terms