How to answer “Why should we hire you?”
Name their problem, then the proof you have already done that work. Skip the list of adjectives.
This is a summary, not a new personality
They ask this near the end because they want the overlap in one place. If you introduce traits you never mentioned, it sounds like a poster. Repeat the fit you have already shown.
Two sentences of proof beat five sentences of “I am passionate, proactive, and a team player.”
Problem, proof, next step
Start with the job’s actual problem, in their words if you can. Then one result from your past that looks like that problem. Close with what you would do in the first month.
The first-month line shows you are hiring yourself into the work, not into the title.
Do not rank yourself against people you have not met
“I am the best candidate” is a guess. You have not seen the others. Say what you bring. Let them do the ranking.
Also skip your years of experience as the whole answer. Ten years is not a reason unless you say what those years taught you to do faster.
A sample you can rewrite
“You need someone who can turn a messy update into something a client will actually read. I did that for a support team: the same questions stopped coming back after we rewrote the replies. In the first month I would sit with the last ten updates and mark the lines people skip.”
Swap the problem for the one in their posting. Keep a single proof.
Stop when the point has landed
This answer gets worse the longer it goes. If you have said the problem and the proof, thank them and wait.
If they nod and move on, you did it. Do not add a third reason out of nerves.