Senior Engineering Manager, Trust & Safety, Surveillance & Compliance

The role

You will lead the systems that keep Polymarket fair and safe, including identity, fraud, and market surveillance. You will build detection, controls, and tools to support Trust & Safety, Surveillance, and Compliance leaders.

What you will do

• Own identity verification and onboarding systems (KYC), including vendor integrations and decisioning.
• Build fraud and financial crime controls including payment risk checks, AML transaction monitoring, and sanctions screening.
• Build trade and market surveillance to detect manipulation, wash trading, spoofing, and misuse of non-public information.
• Ship user protections such as deposit limits, self-exclusion, and responsible trading controls.
• Build case management and investigation tooling with audit trails and records.
• Hire and lead a team of senior engineers.
• Set technical direction and balance user friction against risk.

Required qualifications

• 8+ years in software engineering
• 2+ years managing engineers
• Experience building trust and safety, integrity, fraud, risk, or surveillance systems at a company operating at meaningful scale
• Comfort working in a regulated environment and translating compliance requirements into concrete system design
• Strong data-intensive systems skills: event streams, rules engines, detection pipelines, and the tradeoffs between real-time and batch
• Collaboration with non-engineering partners

Nice to have

• Experience at an exchange, broker, or crypto platform with trade surveillance or AML obligations
• Familiarity with surveillance and compliance vendors (for example trade surveillance platforms, KYC providers, or blockchain analytics)
• Applied ML or anomaly detection experience for fraud or abuse
• Experience across both centralized and on-chain products

Benefits

• Competitive salary and equity
• Unlimited PTO
• Health, vision, and dental coverage
• 401(k) match
• Full hardware setup: new MacBook Pro, large display, and accessories

About the company

Polymarket is the world's largest prediction market. In the US, we operate a CFTC-regulated exchange and clearinghouse.