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Overview
Polymarket is seeking a Senior Investigation Analyst to protect market integrity by investigating insider trading, market manipulation, and fraud. Join a fast-growing prediction market platform and help ensure transparency and trust.
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.
What You'll Do
- •Investigate insider trading, coordinated wallet activity, spoofing, and other market integrity matters from initial signal through a documented, defensible finding
- •Trace wallets, funding flows, and transaction history using tools such as Chainalysis to identify coordination and test hypotheses
- •Review spoofing, layering, and related order-book manipulation using trade-surveillance tooling (e.g., Eventus/Validus) alongside on-chain evidence
- •Evaluate and respond to subpoenas and legal process, assessing risk and sensitivity and meeting binding deadlines
- •Write investigative reports and findings that hold up to scrutiny from leadership, law enforcement, or outside counsel
- •Stay current on manipulation and fraud patterns as prediction markets and the underlying blockchain ecosystem evolve
Benefits
- •Competitive salary & equity
- •Unlimited PTO
- •Full Health, Vision, & Dental coverage
- •401k match
- •Hardware setup: new MacBook Pro, big display, & accessories
What We're Looking For
- •5–7+ years of investigative experience in trade surveillance, market structure or regulation, blockchain forensics, financial crimes, law enforcement, or a comparable field involving building cases from ambiguous evidence
- •Working knowledge of order-book mechanics and manipulation typologies (spoofing, layering, wash trading), or blockchain analysis and on-chain typologies — ideally both
- •Direct experience with blockchain analysis tools (e.g., Chainalysis, TRM Labs, Elliptic) or trade-surveillance platforms (e.g., Eventus/Validus, Nasdaq SMARTS)
- •A track record of building a case from limited initial indicators and documenting it clearly enough to act on
- •Sound judgment evaluating and responding to legal and regulatory requests under real deadlines
- •Genuine comfort with ambiguity — a meaningful share of what you'll investigate won't map to a category that already exists
- •(Plus) Experience with prediction markets or other crypto-native platforms
- •(Plus) SQL or Python, used to test your own hypotheses against trade or on-chain data
- •(Plus) Prior experience serving as a point of contact for law enforcement or regulators