Senior Data Scientist / Analyst, Risk
Polymarket is a decentralized information markets platform that lets users bet on the outcome of real-world events.
Maintainer signals as of 9/25/2026
Funding history
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.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Investigate fake and duplicate signups, bonus farming, wash trading, collusion, and market manipulation. Combine on-chain, device, and behavioral signals to build detections, quantify financial exposure, create monitoring and alerts, support onboarding and compliance controls, and document detection logic.
Requirements
- 7+ years in risk, fraud analytics, trust and safety, or a similar investigative analytical role.
- Expert SQL and pattern recognition across behavioral datasets.
- Experience building detection rules or models.
- Sound judgment regarding false positives, missed abuse, and user impact.
- Ability to work with compliance and handle sensitive findings.
- Comfort operating in a fast-moving environment.
- Experience with on-chain analysis, wallet clustering, blockchain forensics, trade surveillance, market manipulation detection, AML, anomaly detection, graph analysis, clustering, Python, or R is a plus.
- Experience in fintech, crypto, prediction markets, or other data-intensive financial products is a plus.
Responsibilities
- Investigate and quantify abuse across the funnel.
- Build detection logic using on-chain, device, and behavioral signals.
- Turn investigations into recurring monitoring, reporting, and alerting.
- Size financial exposure for each abuse vector.
- Partner with product on onboarding, verification, and bonus controls.
- Support compliance investigations, escalations, and regulatory reporting.
- Promote detection logic into the modeled layer.
- Document detection thresholds and rationale.
Benefits
- Competitive salary and equity
- Unlimited PTO
- Full health coverage
- Full vision coverage
- Full dental coverage
- 401k match
- New MacBook Pro, big display, and accessories
