Senior Intelligence Systems Engineer

About the Company

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.

Responsibilities

• Own the architecture and long-term direction of the intelligence-fusion platform
• Design new detection and correlation approaches to anticipate manipulation and evasion
• Ingest new on-chain and OSINT data sources and extract signal from data pipelines
• Build automation to close the gap between signal firing and case assignment
• Pair with analysts and investigators to translate workflows into repeatable, auditable tooling

Requirements

• Senior data or detection engineering experience at scale
• Deep fluency with SQL and Python or equivalent
• Experience with data pipelines and both scheduled and event-driven systems
• Hands-on depth in data fusion and entity resolution
• Ability to resolve heterogeneous inputs to a shared entity model
• Comfort working directly with investigators and analysts to meet legal/audit standards

Preferred Qualifications

• Prior experience working alongside fraud, trust and safety, or investigations teams
• Exposure to on-chain or crypto data analysis, including blockchain transaction data or wallet clustering

Benefits

• Competitive salary & equity
• Unlimited PTO
• Full Health, Vision, & Dental coverage
• 401k match
• Hardware setup: new MacBook Pro, big display, & accessories