Senior Backend Engineer, Trust & Safety
Polymarket
Senior Backend Engineer, Trust & Safety at Polymarket is a full time role based in New York, NY, United States. The listing states pay of $250k–$500k. It was published on 24 July 2026 and was open at last check.
| Role | Senior Backend Engineer, Trust & Safety |
|---|---|
| Company | Polymarket |
| Location | New York, NY, United States |
| Employment type | Full Time |
| Pay (as listed) | $250k–$500k |
| Published | 24 July 2026 |
| Status | Open at last check |
About Polymarket
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.
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 You'll Do
- 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 with trade-surveillance and case-management platforms (e.g., Eventus, Palantir) and structure audit-grade data pipelines (tiered storage, long-term retention in S3) for compliance and financial-crimes review
- Model and reconcile financial data (FinOps, ledger reconciliation) to ensure auditability and accuracy of money-movement records
- Translate regulatory requirements into engineering systems — alerting, case queues, investigative reporting — in close partnership with Compliance, Risk, and Legal
- Develop real-time risk decisioning and transaction-monitoring systems to detect and respond to financial crime
- Work closely with engineers across the platform to keep Trust & Safety systems tightly integrated with the broader exchange
What We'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
Benefits
- Competitive salary & equity
- Unlimited PTO
- Full Health, Vision, & Dental coverage
- 401k match
- Hardware setup: new MacBook Pro, big display, & accessories
Pay Transparency
Base salary range: $250,000 to $500,000 annually, plus equity and benefits.
This range reflects a good-faith estimate for this position. Experience levels vary widely within a title here, so please reach out even if your expectations fall outside it. We're always happy to chat.
Create your free OnJob profile to apply — we'll take you to Polymarket's application after sign-up. · Posted 24 Jul 2026.
Senior Backend Engineer, Trust & Safety at Polymarket — questions answered
What does the Senior Backend Engineer, Trust & Safety role at Polymarket pay?
The Senior Backend Engineer, Trust & Safety at Polymarket listing states pay of $250k–$500k for the New York, NY, United States position. That figure is taken directly from the employer's own posting as published, not estimated or averaged from other roles.
Where is the Senior Backend Engineer, Trust & Safety role at Polymarket based?
Polymarket lists this Senior Backend Engineer, Trust & Safety role in New York, NY, United States, advertised as full time work at that location. Larger employers sometimes cover several sites under one city name, so confirm the exact office with Polymarket before you apply.
Is the Senior Backend Engineer, Trust & Safety role at Polymarket still open?
The Senior Backend Engineer, Trust & Safety posting at Polymarket was open at OnJob's last check of the employer's careers page, having been published on 24 July 2026. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.
How do you apply for the Senior Backend Engineer, Trust & Safety role at Polymarket?
Apply to the Senior Backend Engineer, Trust & Safety at Polymarket role through OnJob with a free profile: OnJob scores your fit against the listing, shows the skills lowering that score, and submits an ATS-ready profile to Polymarket's own application page. Creating a profile is free and needs no card.
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