Senior Web Engineer Perps
Polymarket is a decentralized information markets platform that lets users bet on the outcome of real-world events.
Maintainer signals as of 8/14/2026
Funding history
About Polymarket
Polymarket is an information markets platform where users can trade on the outcomes of various events, leveraging the power of free markets to forecast the future. It provides a mechanism for users to bet on real-world events and earn money based on the outcomes.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own and ship complex frontend trading features for a perpetual futures product, including order entry, order books, position management, trade history, funding rates, and liquidation displays. You will design responsive interfaces for live market data and streaming order books, collaborate with backend engineers on APIs and real-time data flows, improve frontend observability and reliability, monitor production issues, respond to incidents, and contribute to frontend architecture and pragmatic refactoring.
Requirements
- 3–5+ years of frontend web engineering experience
- Hands-on experience with React, Next.js, TypeScript, and modern frontend development
- Experience building trading, exchange, or financial product UIs
- Frontend system design experience across state management, data fetching, caching, performance, reliability, and maintainability
- Experience with real-time data such as WebSockets, streaming APIs, or live market feeds
- Strong debugging skills and experience responding to production issues
- Ability to collaborate with backend engineers on APIs, data contracts, failure modes, and system behavior
- Ability to identify problems, propose solutions, and drive work to completion
- Clear communication during planning, launches, bugs, and incidents
- Experience building UI for a perpetuals exchange or derivatives trading product
- Frontend performance specialization around real-time data rendering
- Experience in crypto, Web3, or adjacent financial infrastructure
- Experience improving frontend observability, alerting, or reliability practices
- Practical use of AI tools to improve engineering productivity
Responsibilities
- Own and ship complex trading UI features end-to-end, including order books, position panels, trade history, funding rates, and liquidation displays
- Work with backend engineers to design APIs, reason through real-time data flows, and build reliable trading experiences
- Partner with QA, TPM, product, and design to clarify requirements, manage launches, and improve product quality
- Monitor dashboards, alerts, and user reports to identify and respond to issues quickly
- Work with backend and infrastructure teams during incidents to isolate root causes and implement fixes
- Design and implement responsive UI for live market data, streaming order books, and fast-moving prices
- Build and improve frontend logs, metrics, alerts, dashboards, and error reporting
- Identify technical debt, propose pragmatic refactors, and contribute to frontend system design discussions
Benefits
- Equity
- Unlimited PTO
- Full health coverage
- Vision coverage
- Dental coverage
- 401k match
- New MacBook Pro
- Big display
- Accessories