Software Engineer - Mercury Command
Mercury·San Francisco, CA, New York, NY, Portland, OR, or Remote within Canada or United States·Remote·Posted 23 October 2026
About the role
In 1965, an engineer in Scotland was given a mundane task with a tricky problem to it - banks wanted to close on Saturdays and still serve customers, but they didn’t know how to solve authentication of the right user. James Goodfellow, working at Smiths Industries, uncovered the insight that you needed something you have (a card) and something you know (a PIN). Because someone told him they could only remember 4 digits instead of his proposed 6, today over 3 million ATMs use a card+4 digit PIN over 60 years later. Like the ATM, Mercury is building technology that pushes forward financial interfaces for the long term. Command is Mercury's LLM-powered financial assistant, launched to all customers in June 2026. It lets users understand their finances and take action in plain language, from asking about cash flow to sending payments, issuing cards, and managing invoices. With the product now in customers' hands, the work is to evolve it, extend its capabilities, and find new ways to leverage LLMs to give Mercury customers a more powerful banking* experience. What You'll Do: Ship new capabilities users love Feel a strong sense of product ownership and actively seek responsibility –…
This is a summary of the advert. The full description and the application are on Mercury's careers site.
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