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# Senior Software Engineer - Cards

- **Company:** Mercury Systems, Inc.
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $157,400 - $208,300
- **Contract:** Permanent contract
- **Skills:** TypeScript, Glasgow Haskell Compiler
- **Published:** October 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=27a2d002325398a7

## About the Role

* 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.