Senior Engineering Manager - Credit Cards
Mercury, San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States +1
About the job
The idea of credit predates coinage itself. In ancient Babylon, loans of grain and silver were recorded on clay tablets, complete with interest rates, repayment terms, collateral, and the names of witnesses. These early systems turned trust into something durable and transferable, allowing people to invest in crops, businesses, and trade before they had the resources in hand. Nearly four thousand years later, credit still serves the same fundamental purpose: giving people and businesses the ability to act today based on what they can repay tomorrow. Now, people aren’t using silver—they are using Mercury.
Modern credit cards make that promise feel instantaneous, but the systems behind them are anything but simple. Every transaction sits at the intersection of real-time authorization, credit risk, account servicing, repayment, interest, rewards, disputes, and regulation. Customers expect credit to work everywhere, immediately, while trusting that their account balance is accurate, their payments are applied correctly, and their business has access to capital when it matters most.