Senior Software Engineer building full-stack card experiences and money-movement systems at fintech company Mercury. Leading architecture, launches, reliability, and engineering quality across Mercury's Cards Integration team.
Responsibilities
Lead projects from idea to technical specification, implementation, and launch
Learn and apply knowledge of authorization, clearing, settlement, and disputes
Build features across the stack, from customer-facing card experiences to backend money-movement systems
Help maintain excellent operations and observability
Mentor engineers and improve engineering quality through design reviews, code reviews, and collaboration
Work with product, design, operations, risk, compliance, sales, and other teams
Requirements
Strong full-stack experience, a product mindset, systems thinking, and a knack for getting things across the line
Experience making architectural decisions on complex systems and explaining reasoning and trade-offs
Care about correctness in systems where failure has real financial consequences
Clear communication, ability to handle ambiguity, and interest in mentoring others
Comfortable with Haskell and TypeScript or ready to learn
Bonus: experience in fintech, payments, or card issuing
Benefits
Base salary
Equity (stock options/RSUs)
Benefits
Reasonable accommodations throughout the recruitment process for applicants with disabilities or special needs
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