Backend Bug Fixing for Existing Project

I need an experienced Ruby On Rails Application Developer to fix backend bugs in my existing project.

Key Issues:
- Data not being saved correctly
- Server performance issues

Ideal Skills and Experience:
- Strong background in backend development
- Experience with database management and optimization
- Ability to troubleshoot and resolve server performance issues
- Familiarity with [insert relevant technology stack or frameworks used in your project]

Please provide a brief overview of your experience and how you plan to address these issues.