Macos Developer

Description:

Job Opening: macOS Developer (Objective-C, Universal Binary)

We are looking for an experienced macOS developer to update and compile an older Objective-C/C app for the latest Apple architectures.

• App signs XML invoices with .p12 certificates using XMLSEC and submits via SOAP XML.
• Currently builds for Intel x86 only; needs to be updated for Universal Binary (Intel + Apple Silicon).
• Compile issues with XMLSEC under Xcode 16.4 / macOS Sequoia 15.6.1.

Requirements:

• Strong Objective-C / C / macOS development background
• Experience with Xcode build settings & Universal Binary compilation
• Familiarity with XMLSEC, digital signatures, SOAP XML (a plus)
• MacBook M1 or newer required