Paste the postings you are chasing and get what that market demands, measured. Tick what you can already prove and it becomes a gap, with the projects that close the most of it. Nothing here calls a language model.
Partner with product owners to elicit requirements, write user stories with clear acceptance criteria, and keep traceability through delivery.One posting from the corpus, with three capabilities marked. The engine does this to everything you paste, against whichever of its two vocabularies your postings turn out to be written in.
However many you have, in whatever shape you copied them. Paste the bodies, not just the titles.
Any one of these on its own, or all three.
Paste your resume, or just describe what you have done. The same patterns that read a posting read this, and what it finds counts as evidence.