Experienced PHP developer for existing custom application

We are looking for an experienced PHP developer to take over maintenance and ongoing development of an existing custom-built business application. This is not a WordPress or boxed CMS role. We need someone who is comfortable working in an established custom codebase, understanding existing architecture, troubleshooting issues independently, and making safe, reliable changes in a production environment. What We Need: We are looking for someone who can: Quickly understand an existing application structure Safely implement fixes and enhancements Troubleshoot production issues efficiently Work independently and communicate clearly Ask focused technical questions when clarification is needed Nice to Have Experience modernizing or stabilizing older PHP applications Experience with business workflow systems Familiarity with server administration or deployment troubleshooting Long-term maintenance mindset