Senior Backend Engineer - Trust & Safety | Unlimited PTO

Polymarket; New York (NY); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Competitive salary and equity

Unlimited PTO

Full Health, Vision, & Dental coverage

401k match

Hardware setup — MacBook Pro, displays

Job summary

Polymarket is seeking a backend engineer to build detection, monitoring, and case-management systems that keep our platform compliant and safe at scale. You will partner with Compliance, Risk, and Legal to translate regulatory requirements into engineering solutions with high ownership and direct impact.

You’ll build real-time risk decisioning and transaction-monitoring systems, integrate with trade-surveillance tools, and collaborate with platform engineers to maintain a tightly coupled Trust &

Qualifications

• Backend experience building detection, monitoring, or case-management tooling for AML/BSA, KYC/EDD, or sanctions-screening.
• Experience integrating or building on trade-surveillance and case-management platforms like Eventus/Palantir and structuring audit-grade data pipelines.
• Comfortable modeling and reconciling financial data for auditability and accuracy.
• Track record partnering with Compliance, Risk, and Legal teams to translate regulatory requirements into engineering systems.
• Background in risk/fraud or compliance-technology engineering at fintech or crypto exchanges.

Responsibilities

• Build detection, monitoring, and case-management tooling to meet AML/BSA, KYC/EDD, and sanctions obligations at scale.
• Integrate surveillance platforms and structure data pipelines for compliance reviews.
• Model and reconcile financial data to ensure auditability of money-movement records.
• Collaborate with Compliance and Risk to translate regulatory requirements into engineering systems (alerts, queues, reporting).
• Develop real-time risk decisioning and transaction-monitoring systems for fraud prevention.
• Work with engineers across the platform to keep Trust & Safety tightly integrated with the exchange.

Skills

Backend engineering

AML/KYC

Risk/fraud engineering

Regulatory compliance

Cross-functional collaboration

Tools

Eventus

Palantir

audit-grade data pipelines

Job description

Polymarket is seeking a backend engineer to build detection, monitoring, and case-management systems that keep our platform compliant and safe at scale. You will partner with Compliance, Risk, and Legal to translate regulatory requirements into engineering solutions with high ownership and direct impact.

You’ll build real-time risk decisioning and transaction-monitoring systems, integrate with trade-surveillance tools, and collaborate with platform engineers to maintain a tightly coupled Trust &