// Security Engineer · Freelance & Research

Jude Demornay.

Freelance application & AI/LLM security, penetration testing, secure code review, and securing AI-driven systems, backed by banking-grade experience.

// I get paid to break into things, but legally.

Role

Freelance Security Engineer in Application Security & AI/LLM Security

Focus

Penetration testing · Secure code review · AI/LLM security · Threat modeling

Languages

English (native) · French (native) · Spanish (intermediate) · Chinese (basic)

Based in

Brittany, France · available remotely

Availability

Evenings (from 5pm) & weekends

Status

Available for freelance

What I do

SVC-01

I perform web, API, network, and infrastructure penetration testing, and I find critical and high-severity issues whilst supporting remediation.

SVC-02

I perform manual and tool-assisted review, static-analysis triage, and practical, prioritized remediation guidance.

SVC-03

I perform threat modeling and testing for LLM-backed and AI-driven applications, including on-premise deployments.

SVC-04

I perform structured analysis of attack surface across applications, services, and data flows.

SVC-05

I perform hands-on sessions on vulnerability management and penetration testing for engineering teams.

I'm available for freelance engagements in application and AI/LLM security with a daily rate of €550 per day or a fixed per-project quote.