Magento 2 Mass Import of Mobile Device Attributes

I'm looking to import a large number of product attributes related to a variety of mobile brands, including but not limited to Apple, iPhone, Samsung, and other brands. The attributes mainly focus on mobile brand names and respective devices under each brand Magento 2 • Ideal Skills and Experience: The successful freelancer for this project should have significant experience with Magneto 2 and CSV file preparation for product attributes mass import. A deep understanding of mobile devices, their respective brands and attribute categorization will also be crucial. It would be beneficial if the freelancer also has a forward-thinking approach, able to consider potential future additions and categorizations. I anticipate for this task to evolve and potentially require additional attributing imports in the future, so an individual ready for a long-term commitment would be ideal. Plus, familiarity with the following brands is required: - Apple - iPhone - Samsung - And additional mobile brands