Global Intelligence & Investigations Investigator (Crypto)

Location: New York, United States; on-site

Company

Polymarket is a crypto-native prediction market platform where users trade on outcomes across politics, economics, sports, culture, and current affairs.

What you will do

• Triage daily alerts and referrals, set investigation priorities, and identify novel signals that fall outside known patterns.
• Trace flagged wallets across chains, bridges, and funding flows, distinguishing controlling wallets from contract and proxy wallets and clustering related addresses.
• Review order-book and execution data for spoofing, layering, wash trading, and coordinated multi-account activity, linking behavior to the wallets involved.
• Investigate insider trading, oracle and resolution-source manipulation, automated-trading abuse, sanctions exposure, illicit-finance flows, and fraud.
• Write SQL queries, build lightweight analysis, and develop new detection signals to improve investigative processes.
• Document cases with sourced findings and handle subpoenas, preservation letters, court orders, and other law-enforcement or regulatory requests.

Requirements

• 3+ years of experience in trade surveillance, on-chain investigations, blockchain analytics, financial crime investigations, or exchange operations.
• Hands-on experience tracing wallets, funding flows, withdrawal paths, bridges, mixers, and related addresses across blockchains.
• Working knowledge of order-book manipulation typologies, including spoofing, layering, wash trading, and coordinated multi-account activity.
• Proficiency in SQL or a comparable query language for joining trading, device/IP, and on-chain data.
• Strong written communication and the ability to produce case documentation suitable for legal and regulatory scrutiny.
• Familiarity with prediction markets, crypto-native platforms, market resolution, and market integrity.

Nice to have

• Experience with Chainalysis, TRM Labs, Elliptic, Nasdaq SMARTS, or similar platforms.
• Knowledge of oracle and market-resolution mechanisms.
• Experience in a regulated financial environment or with sanctions and illicit-finance screening.
• Python or similar scripting experience for data pulls, analysis, and lightweight tooling.

Culture & Benefits

• Work in a small, independent investigations team handling analytically complex cases.
• Competitive salary and equity.
• Unlimited paid time off.
• Full health, vision, and dental coverage.
• 401(k) match and a hardware setup including a new MacBook Pro, display, and accessories.