Software engineering
Backend services, infrastructure, web applications, blockchain, and open-source tools.
View this practiceI work on cybersecurity research and red teaming across the web, applications, crypto protocols, and AI. I also build agentic AI systems and full-stack software.
Based in Switzerland, I work with teams worldwide as a freelancer.
Expertise
Backend services, infrastructure, web applications, blockchain, and open-source tools.
View this practiceI design AI systems that bring together specialized agents, language models, memory and tools. I develop their orchestration and their capabilities for analysis, automation and interaction, while exploring prediction and decision support through machine learning.
View this practiceI research vulnerabilities and test how systems withstand adversarial scenarios: websites, applications and APIs, crypto protocols and smart contracts, and agentic AI systems.
View this practice
Open source · Systems and network engineering
I develop Bifrost for Windows and Linux. I connect the tunnel lifecycle to traffic filtering, DNS and system services.
A project bringing together software architecture, operating-system integration and tests for interruptions, reconnects and traffic leaks.
Public MVP, in development
Selected work
Web applications, open-source tools, and research.
Software engineering
Gasless, non-transferable education credentials with public on-chain verification and revocation.
Security research
Cybersecurity research across the web, applications, smart contracts and AI agents.
Agentic AI engineering
Reusable failure-handling components for distributed agent systems.
Software engineering
WordPress/WooCommerce and React website, supplier integration, commerce and sales agents, quote and invoicing workflows, and event analytics.
Resources
Review report, fixes, and Foundry tests.
Explore the resourceCircuit breaker, Redis-backed dead-letter queue, offline MQTT buffer, packaging, tests, and CI.
Explore the resourceIssuance, public verification and revocation of education credentials on Celo Sepolia, with a source-verified contract.
Explore the resourcePublished research · AI agent security
A case study by Gilles Musy: indirect prompt injection in a refund agent, a database-wide deletion call and a break scored 10/10 by Gray Swan.
Writing
An interactive guide for choosing between AI assistance, workflow automation, decision support, and autonomous business agents, with pilots, controls, and governance requirements.
View the publicationProfessional contact