Senior Backend Engineer, Trust & Safety

Location: New York
Salary range: USD $250,000 – $500,000 base
Workplace: In office
Level: Senior / Staff IC
Job family: Engineering
Posted: 2 months ago

The T&S Network estimates this role to be P3, Senior. The typical base salary for that level in Safety Engineering & Data Science is $190k to $260k in New York. Key skills at this level: owns a detection system end to end, including its drift and its retraining, designs for adversarial pressure rather than for a static distribution, and sets evaluation methodology others in the company adopt.

Learn more about this and similar levels

Why this level

Estimated from the posting rather than stated by the employer: the posting states the level in its title · the title reads as P3 · posts $250k to $500k base in New York.

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The role, in T&S terms

Written by the T&S Network from Polymarket's posting.

Builds the detection, monitoring, and case-management systems for financial-crime compliance on a prediction market exchange, covering AML/BSA, KYC/EDD, and sanctions screening. Works with Compliance, Risk, and Legal to turn regulatory requirements into engineering systems that protect the platform and its users.

Fraud and scams

What you'd do

Build on or integrate trade-surveillance and case-management platforms such as Eventus and Palantir.
Structure audit-grade data pipelines with tiered storage and long-term retention in S3 for financial-crimes review.
Model and reconcile financial data, including FinOps and ledger reconciliation, for accurate money-movement records.
Turn regulatory requirements into alerting, case queues, and investigative reporting with Compliance, Risk, and Legal.

What it asks for

Comfort modeling and reconciling financial data for auditability and accuracy.

Terms in this role

KYC.: Know your customer: checking who a user or business is before they can transact. Required in financial services.
AML.: Anti-money laundering: the rules and checks that stop criminal money moving through a service.

Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on Polymarket before you apply. If we got something wrong, report this listing.

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Still listed 14 hours ago