Magento Upgrade 2.3 to 2.4.6

I am looking for a skilled Magento developer to upgrade my current Magento 2.3 website to the latest version, 2.4.6. The ideal candidate should have experience in Magento upgrades and be familiar with the necessary steps and precautions involved in ensuring a smooth transition.

Requirements:
- Upgrade Magento 2.3 to 2.4.6
- Ensure compatibility of custom modules and themes with the new version
- Develop a backup and recovery plan for the current Magento site

Skills and Experience:
- Strong knowledge and experience in Magento upgrades
- Proficiency in custom module and theme development
- Familiarity with backup and recovery procedures for Magento sites

Please provide examples of previous Magento upgrade projects and demonstrate your expertise in handling custom modules and themes.