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Senior Software Engineer - Cards

Mercury · San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States · Posted 2026-10-30

As the story goes, in 1949 Frank McNamara finished dinner at a New York restaurant and found he'd left his wallet in another suit. His fix was a card that let members eat now and pay later. That card became Diners Club, widely credited as the first multipurpose charge card. It was a piece of cardboa…

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