We you are in a bit of a dilemma!
You’ve got the most RAM this series supports 16GB (all the way up to 2019 models)
You can upgrade the SSD to a bigger one, this series uses the older NVMe/PCIe 2.0 x2 drives but can support the four lane versions. Apple only offered a 1 TB drive, but you go with a [product|IF123-133-4|OWC 2TB SSD] Even still you might want to look at finding a used 2015 system as being better spend some time reviewing and comparing the systems listed here [https://everymac.com/systems/apple/macbook_pro/index-macbookpro.html|EveryMac - MacBook Pro’s]
As an example I’m a photographer I have two of these [https://everymac.com/systems/apple/macbook_pro/specs/macbook-pro-core-i7-2.8-15-dual-graphics-mid-2015-retina-display-specs.html|15” MacBook Pro 2.8GHz Core i7 Mid-2015 (DG)] which I just love when I’m in the field. COVID has sidelined me so they are just waiting to get back out ;-}