Senior Web Engineer — React/Next.js, High-Traffic Frontend

Polymarket International; New York (NY); On-site; USD 230,000 - 330,000; Full time

Benefits offered by this job

Competitive salary

Equity

Unlimited PTO

Health coverage

Vision coverage

Dental coverage

401k match

MacBook Pro setup

Job summary

Polymarket is seeking a Senior Web Engineer to own complex frontend features end-to-end, shipping fast with confidence. You’ll work across frontend and backend systems, ensuring reliability, performance, and high-quality UX across our core product surfaces.

You’ll collaborate with QA, TPM, product, and design, tackle production issues, and help raise the frontend engineering bar as the product scales. Strong React/Next.js with TypeScript and Web3 experience are highly valued.

Qualifications

• 5+ years of frontend web engineering experience with crypto, Web3, or related financial infrastructure.
• Strong hands-on experience with React, Next.js, TypeScript, and modern frontend development.
• Experience owning features from scoping through launch and operating in production.

Responsibilities

• Own and ship complex frontend features end-to-end across Polymarket surfaces.
• Collaborate with backend, QA, product, and design to deliver reliable UX.
• Own reliability, incident response, and frontend observability.
• Improve frontend performance, monitoring, and overall system quality.
• Drive code quality with strong reviews and proactive refactors.

Skills

Frontend engineering

React

Next.js

TypeScript

Web3/crypto experience

Performance & reliability

Job description

Polymarket is seeking a Senior Web Engineer to own complex frontend features end-to-end, shipping fast with confidence. You’ll work across frontend and backend systems, ensuring reliability, performance, and high-quality UX across our core product surfaces.

You’ll collaborate with QA, TPM, product, and design, tackle production issues, and help raise the frontend engineering bar as the product scales. Strong React/Next.js with TypeScript and Web3 experience are highly valued.