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Senior Backend Engineer, Trust & Safety

Polymarket · New York · On-site

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About Polymarket

Polymarket is the world’s largest prediction market, allowing you to stay informed and profit from your knowledge by trading on future events across various topics. Backed by General Catalyst and Founders Fund.

About the role

Polymarket is looking for a Backend Engineer to build the detection, monitoring, and case-management systems that keep our platform compliant and safe at scale. This role partners closely with Compliance, Risk, and Legal to translate regulatory requirements into engineering systems that protect the platform and its users, with high ownership and direct impact on Polymarket's risk posture.

What they're looking for

  • Backend engineering experience building detection, monitoring, or case-management tooling for AML/BSA, KYC/EDD, or sanctions-screening obligations at scale
  • Experience integrating or building on trade-surveillance and case-management platforms (e.g., Eventus, Palantir) and structuring audit-grade data pipelines
  • Comfortable modeling and reconciling financial data (FinOps, ledger reconciliation) for auditability and accuracy
  • Track record partnering directly with Compliance, Risk, and Legal teams to translate regulatory requirements into engineering systems
  • Background in risk/fraud or compliance-technology engineering at a fintech or crypto exchange
  • (Plus) Experience building real-time risk decisioning or transaction-monitoring systems at scale
More about this role

Polymarket is the world's largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.

We're growing fast — both in terms of volume ($21B traded in 2025) and adoption as an alternative news source. Our ambition is to become a ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.

Polymarket is looking for a Backend Engineer to build the detection, monitoring, and case-management systems that keep our platform compliant and safe at scale.

This role partners closely with Compliance, Risk, and Legal to translate regulatory requirements into engineering systems that protect the platform and its users, with high ownership and direct impact on Polymarket's risk posture.

Design and build detection, monitoring, and case-management systems to meet AML/BSA, KYC/EDD, and sanctions-screening obligations at scale

Build on or integrate...

Read the full posting on Polymarket's site ↗

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