# Staff Fullstack Engineer

**Company:** [Polymarket](https://hotfix.jobs/companies/polymarket)
**Location:** New York, NY
**Role:** Fullstack Engineering
**Experience:** 7+ years
**Skills:** Fullstack Engineering, Frontend Development, Backend Development, Kyc Integrations, Product Analytics, A/B Testing, Web3, Crypto Compliance, Third-Party Integrations, System Architecture
**Posted:** 2026-08-29

> Staff fullstack engineer who will build and optimize Polymarket’s user acquisition and onboarding experiences, including KYC and growth funnels. Requires 7+ years of deep frontend and backend experience, strong product instincts, and cross-team execution skills.

## Job Description

## Responsibilities
- Own and iterate on the new-user onboarding flow from account creation through KYC completion, focusing on activation and drop-off reduction.
- Build ad-driven funnel surfaces that route users from external campaigns to relevant market pages.
- Ship end-to-end fullstack features, including frontend UI, backend services, and third-party integrations.
- Use product analytics to identify acquisition-funnel friction and run experiments to measure impact.
- Review code and make architectural decisions within the growth engineering domain.
- Coordinate with engineering teams that own dependent services and align stakeholders to deliver changes.
- Raise the technical bar through code reviews, feedback, and mentoring less senior engineers.

## Requirements
- 7+ years of fullstack engineering experience with substantial frontend and backend depth.
- Experience shipping onboarding flows, KYC integrations, or acquisition-funnel features with measurable results.
- Experience collaborating across teams in a larger engineering organization.
- Strong product instincts and the ability to identify funnel problems and propose solutions.
- Ability to make system-level technical tradeoffs across frontend, backend, and external services.
- Clear communication skills for aligning engineers, product managers, and stakeholders.

## Nice to Have
- Experience with Web3 onboarding flows or crypto-native KYC and compliance tooling.
- Familiarity with prediction markets, financial platforms, or other high-stakes transaction products.
- Experience running growth experiments with A/B testing frameworks and interpreting results.

## Compensation and Benefits
- Competitive salary and equity.
- Unlimited paid time off.
- Full health, vision, and dental coverage.
- 401(k) match.
- Hardware setup including a new MacBook Pro, display, and accessories.

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