> they want a React developer, or a C#/.net developer who can pump out web APIs in it or something.
All web APIs follow the same basic pattern. The OP said:
>> try identify the 'timeless' things. Software design over languages, algorithms over libraries
If you understand the fundamentals of software engineering, picking up a new framework or library isn't a big deal. It's the same old tropes with some different syntax and domain language. Especially in the world of web development where you're pumping out APIs.
All web APIs follow the same basic pattern. The OP said:
>> try identify the 'timeless' things. Software design over languages, algorithms over libraries
If you understand the fundamentals of software engineering, picking up a new framework or library isn't a big deal. It's the same old tropes with some different syntax and domain language. Especially in the world of web development where you're pumping out APIs.