# Software Engineer, Polymarket US

**Company:** [Polymarket](https://hotfix.jobs/companies/polymarket)
**Location:** New York, NY
**Role:** Fullstack Engineering
**Experience:** 3+ years
**Skills:** TypeScript, Go, React, Node.js, Next.js, MongoDB, APIs
**Posted:** 2026-01-06

> 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.

## Job Description

## 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.

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