IOS App Maintenance

My native iOS app has been running smoothly for about ten years, yet every so often a bug surfaces or a small feature tweak becomes necessary. I’m searching for an independent iOS developer—no agencies—to step in on an as-needed basis and keep everything shipshape... (Budget: ₹1500 - ₹12500 INR, Jobs: iOS Development, iPhone, Mobile App Development, Objective C, Software Development, Swift, Troubleshooting, Xcode)