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Senior Web Engineer at Polymarket | New York

PolymarketNew York
On-site Full-time

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Experience Level

Senior

Qualifications

Qualifications:Proven experience as a Senior Web Engineer or similar role. Strong proficiency in React and Next.js framework. Experience with frontend performance optimization and debugging. Ability to work independently and collaboratively in a fast-paced environment. Excellent problem-solving skills and a strong understanding of web technologies. Experience in API design and data flow understanding. Strong communication skills to work with cross-functional teams.

About the job

Polymarket is a leading prediction market platform where people can trade on the outcomes of real-world events across politics, economics, sports, culture, and current affairs. Built as a decentralized marketplace, the platform transforms collective opinions into clear, market-driven probabilities. With rapid growth and a projected $21 billion trading volume in 2025, Polymarket aims to become a key source of truth in global media.

Role overview

The Senior Web Engineer will take ownership of major frontend features, focusing on reliability and efficient deployment. This position covers the full lifecycle of web surfaces: from design and rollout to ongoing monitoring and production support. The work sits at the intersection of frontend product development, backend integration, performance tuning, and reliability. Deep experience with React and Next.js is required, especially in building and deploying complex features and resolving production issues. Independent decision-making, technical leadership, and a commitment to raising quality standards are central to this role.

What you will do

  • Lead and deliver complex features: Build and launch new web functionality across Polymarket’s core interfaces, balancing speed, quality, architecture, and sustainability.
  • Collaborate across technology layers: Work closely with backend engineers to design APIs and data flows, and partner with QA, TPM, product, and design teams to clarify requirements and ensure smooth launches.
  • Maintain reliability and manage incidents: Monitor dashboards, alerts, and user feedback to quickly identify and resolve issues. Work with backend and infrastructure teams during incidents to find root causes and implement fixes and preventive measures.
  • Improve frontend observability: Develop and refine logging, metrics, alerts, dashboards, and error reporting to give the team clear insights into frontend performance.
  • Advance engineering standards: Identify technical debt, propose and implement refactors, and contribute to system design discussions to strengthen frontend architecture.

About Polymarket

Polymarket is transforming the way people engage with predictions, enabling users to trade on real-world events while fostering a decentralized marketplace environment. Join us in our mission to become a leading source of truth in media.

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