Software Engineer, Polymarket US

Build tools for US exchange operations. Create systems that help control desk operators, supervisors, and compliance teams manage high-volume payment processing and reconciliation workflows.

Ship production features regularly. Launch improvements and fixes frequently in a fast-paced, regulated environment where reliability matters.

Work across the full stack. Build frontend interfaces for operational dashboards and backend APIs for transaction processing, reconciliation, and payment provider integrations and other control desk operations.

Collaborate with internal teams. Partner closely with operations, compliance, and product to understand workflows, gather feedback, and iterate quickly on tooling.

Design for scale and compliance. Build systems that handle thousands of daily transactions while maintaining audit trails and meeting CFTC regulatory requirements.

Contribute to technical decisions. Participate in architecture discussions, code reviews, and help establish best practices for the team.

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 experience is 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—you work well with non-technical stakeholders

Bias for action—comfortable shipping iteratively and refining based on user feedback

Builder's mindset—you take pride in creating tools that solve real operational problems

(Plus) Experience with MongoDB

(Plus) Background in fintech, payments, reconciliation systems, or regulated environments

(Plus) Familiarity with customer service or operations tooling

(Plus) Understanding of financial data modeling and audit requirements

(Plus) Bachelor's degree in Computer Science or equivalent

Base salary range: $250,000 to $500,000 annually, plus equity and benefits.

This range reflects a good-faith estimate for this position. Experience levels vary widely within a title here, so please reach out even if your expectations fall outside it. We're always happy to chat.