Nick Coles

Chicago, Illinois

Experience

Software Engineer I — JPMorgan Chase
Commercial Payments · 2024 — Present

Building agentic AI systems on the Commercial Payments team — shipping pragmatic AI, no hype, just working software.

Projects

TraceMark — Post-generation LLM Fingerprinting

Python/FastAPI gateway that embeds keyed statistical fingerprints into completed LLM responses using meaning-preserving linguistic choices. Validated across 518K+ real documents (Enron, HC3, Newsgroups), up to 10,000 candidate fingerprints, with an empirically validated Binomial null model and an adversarial benchmarking framework.

Wiki Ra(i)ce

Race an AI agent through Wikipedia, link by link.

Education

University of Michigan
Computer Science · Zeta Pi Tech Fraternity

Skills

Python · FastAPI · LLMs / Agentic AI · NLP (spaCy) · Cryptography (HMAC/HKDF) · Statistical testing · TypeScript/JavaScript · SQL · PostgreSQL · Docker