Senior AML Investigator

Polymarket

13d•$125,000 - $165,000

About The Position

Polymarket US is a regulated prediction market operating under CFTC oversight. Its AML team detects and reports suspicious activity across users transacting through card, ACH, and stablecoin payment rails. The Senior AML Investigator owns escalated investigations from initial review through SAR filing or documented declination, applying sound judgment in a fast-moving, developing regulatory environment. The role also supports and raises the quality of analysts’ work through case guidance, quality control, feedback, job aids, and training materials.

Requirements

At least 4 years of hands-on AML investigation experience, including writing SARs filed with FinCEN.
Strong working knowledge of the Bank Secrecy Act, SAR filing requirements, and core AML regulations.
Ability to analyze transaction activity across multiple payment rails and draw well-supported conclusions about its nature.
Clear written communication, including the ability to write accurate, organized, and defensible SAR narratives.
Experience with investigative research tools such as CLEAR or LexisNexis, and with case management systems.
Track record of independently managing a caseload, meeting deadlines, and maintaining quality under volume.

Nice To Haves

Experience with blockchain analytics tools such as Chainalysis, TRM, or Elliptic, and on-chain tracing.
Experience at an exchange, FCM, broker-dealer, prediction market, sports betting, or gaming operator.
Familiarity with CFTC or NFA rules, or with derivatives and event contracts.
Experience applying AI tools to investigation workflows, or a clear interest in doing so.
CAMS certification or equivalent.

Responsibilities

Investigate escalated cases from transaction monitoring, fraud referrals, market surveillance, and sanctions screening for potential money laundering, terrorist financing, fraud, and sanctions evasion.
Analyze funding, withdrawal, and trading patterns across card, ACH, and stablecoin rails, including linked account activity.
Prepare detailed Suspicious Activity Reports (SARs) that meet regulatory requirements and internal policy, and document decisions when a SAR is not warranted.
Review customer identity and profile information to assess whether activity aligns with the customer’s known background and stated purpose.
Support law enforcement requests, subpoenas, and 314(a) reviews.
Perform quality control reviews of analyst work and provide direct, actionable feedback.
Help analysts work through complex cases and develop job aids and training materials to improve team output.