Use all the chance to sell yourself while answering questions

Well, very good question.
As you knew I have been in my current position for N years, I knew all the details of what we are doing and play a important role from system architect and production release. I am doing really well.
In the meantime, as you knew, you guys are famous in this industry, I am sure I can use my expertise to make contribution to the company form day one, since I like the new position so much, this is the reason why I am in here.
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