LLMs are eroding my software engineering career and I don't know what to do

A 10-year software engineer with specialized expertise in finance and payments describes how large language models (LLMs) are undermining his career advantages. He initially built differentiation through domain-specific knowledge in payment systems and financial compliance, then through debugging skills in distributed systems, but found that LLMs can now replicate both capabilities at his company, leaving him uncertain about his long-term employability in the field.