hi, iam not able to upload my resume in apple career

See also the solution in this recent thread:

When attempting to submit for Apple Caree… - Apple Community

We are all Apple users, like yourself in the community, so no-one here can investigate behind-the-scenes.

You might want to try uploading the resume with a different browser,

or

Check the resume is easily accessible.on the iPhone, or from the desktop on a Mac, if you try uploading again.

If it's any consolation, others have also had difficulties with submissions in these discussion thhreads below.

Unable to Submit Application on Apple Job… - Apple Community

Facing issues while submitting an Apple T… - Apple Community

Thank you for joining the discussion Allan Jones, and for your efforts! 👍👍