Senior Backend Engineer, Trust & Safety

Polymarket is a decentralized information markets platform that lets users bet on the outcome of real-world events.

Series BRecently funded10 current maintainers6 active leads10 lead step-downs6 early lead departuresTeam intelligence

Maintainer signals as of 8/23/2026

1280 Lexington Avenue, New York, USA, United States
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.

View jobs by Polymarket

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

Build detection, monitoring, case-management, and real-time risk systems supporting AML, KYC, sanctions screening, and financial-crime prevention. Integrate surveillance platforms, structure audit-grade data pipelines, reconcile financial data, and translate regulatory requirements into engineering systems with Compliance, Risk, and Legal stakeholders.

Requirements

  • Backend engineering experience with detection, monitoring, or case-management tooling
  • Experience with AML/BSA, KYC/EDD, or sanctions-screening obligations
  • Experience integrating trade-surveillance and case-management platforms such as Eventus or Palantir
  • Experience structuring audit-grade data pipelines
  • Financial data modeling and ledger reconciliation experience
  • Experience partnering with Compliance, Risk, and Legal teams
  • Risk, fraud, or compliance-technology engineering experience at a fintech or crypto exchange
  • Experience with real-time risk decisioning or transaction-monitoring systems is a plus

Responsibilities

  • Build detection, monitoring, and case-management systems
  • Integrate trade-surveillance and case-management platforms
  • Structure audit-grade data pipelines with tiered storage and long-term S3 retention
  • Model and reconcile financial data and ledger records
  • Translate regulatory requirements into alerting, case queues, and investigative reporting
  • Develop real-time risk decisioning and transaction-monitoring systems
  • Collaborate with engineers across the platform

Benefits

  • Competitive salary and equity
  • Unlimited PTO
  • Full health, vision, and dental coverage
  • 401(k) match
  • New MacBook Pro, display, and accessories
Senior Backend Engineer, Trust & Safety at Polymarket | JobStash