Laravel Upgrade from v8 to v11

I need a skilled Laravel freelancer to upgrade my application from version 8 to 11. The system contains numerous custom APIs that will require thorough testing post-upgrade to ensure compatibility. Key tasks: - Upgrade existing Laravel code from v8 to v11 - Potentially add new features, to be discussed - Test all custom APIs for compatibility after the upgrade Skills and experience required: - Extensive knowledge of Laravel framework - Proven experience with version upgrades - Proficiency in API development and testing - Capability to potentially implement new features