Two Sigma and Jane Street are known to pay their dev interns $10.4k monthly ($125k annualized). You can find this in #talkpay on Twitter and on Quora, and I can

Two Sigma and Jane Street are known to pay their dev interns $10.4k monthly ($125k annualized). You can find this in #talkpay on Twitter and on Quora, and I can corroborate one of them. I don't think those are the highest, either.