Software Engineer, Polymarket US
Build full-stack systems for CFTC-regulated US exchange operations, including payment reconciliation, transaction processing, dashboards, and compliance tools. Requires 3-7 years experience with TypeScript, Go, React, and Node.js.
About the job
Responsibilities
- Build tools for US exchange operations, including systems for control desk operators, supervisors, and compliance teams to manage high-volume payment processing and reconciliation workflows.
- Ship production features regularly in a fast-paced, regulated environment.
- Work across the full stack: build frontend interfaces for operational dashboards and backend APIs for transaction processing, reconciliation, payment provider integrations, and control desk operations.
- Collaborate with operations, compliance, and product teams to understand workflows, gather feedback, and iterate quickly.
- Design for scale and compliance, handling thousands of daily transactions with audit trails and CFTC regulatory requirements.
- Contribute to technical decisions, architecture discussions, code reviews, and best practices.
Requirements
- 3-7 years of professional software development experience.
- Strong full-stack web development skills with TypeScript.
- Strong backend experience with Go.
- Solid experience with React and Node.js (Next.js a plus).
- Experience building data-heavy applications or internal tools.
- Ability to work with external APIs and integrate third-party services.
- Strong collaboration and communication skills with non-technical stakeholders.
- Bias for action, comfortable shipping iteratively.
- Builder's mindset for solving real operational problems.
Nice-to-Haves
- Experience with MongoDB.
- Background in fintech, payments, reconciliation systems, or regulated environments.
- Familiarity with customer service or operations tooling.
- Understanding of financial data modeling and audit requirements.
- Bachelor's degree in Computer Science or equivalent.
Benefits
- Competitive salary & equity.
- Unlimited PTO, Health, Vision, & Dental coverage.
- 401k match.
- Hardware setup: new MacBook Pro, big display, & accessories.
Skills
TypeScript, Go, React, Node.js, Next.js, MongoDB, APIs
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