Mercury - Senior Software Engineer - Cards

• Lead projects from idea to tech spec to implementation to launch, working with your PM, EM, tech lead, and teammates at each stage. When you lead a project, it's yours to see through. • Learn how debit and credit cards actually work under the hood (authorization, clearing, settlement, disputes) and use that knowledge every day. • Build features across the stack, from the card experiences customers use to the backend systems that move money. • Help keep our operations excellent. Our systems are some of the most observable at Mercury, and with great observability comes great responsibility. • Mentor other engineers and raise engineering quality through design reviews, code reviews, and collaboration. • Work with product, design, operations, risk, compliance, sales, and many other teams. • You should • Have strong full-stack experience, a product mindset, systems thinking, and a knack for getting things across the line. • Have made architectural decisions on complex systems, and be able to explain your reasoning and the trade-offs. • Be excited to put new features in customers' hands, and care just as much about keeping existing ones working like a charm. • Care about correctness in systems where failure has real financial consequences. • Communicate clearly, handle ambiguity well, and enjoy mentoring others. • Be comfortable with our tech stack (Haskell and TypeScript) or be ready to learn. • Bonus: experience in fintech, payments, or card issuing. • We encourage you to try our demo site if you're interested in applying for the role. • Mercury is a fintech company, not an FDIC-insured bank. Banking services provided through Choice Financial Group and Column N.A., Members FDIC.