About Mathieu
French
Native or bilingual
English
Fluent
Experience
- OrionixFounder · Production-Readiness AuditorJune 2026 - Today (2 months)Orionix audits GitHub projects before they break in production. Not "it compiles" — race conditions under load, timeouts that block an entire stack, secrets leaking into logs, missing audit trails that make any postmortem impossible.Recent public audit — BigBodyCobain/Shadowbroker (9k stars on GitHub). Issue #375, three production bugs identified in 45 minutes — the maintainer shipped the fixes in 34 minutes (commit 9a0a9a1, github.com/BigBodyCobain/Shadowbroker/issues/375).METHOD• Deep reading of the backend + state-of-the-art on the stack• Orionix Pattern Library (60+ production-readiness patterns accumulated audit after audit)• Deterministic verifier: each finding is re-verified against the AST before publication• Rationing: 3 public bugs + 2-3 in reserve for paid follow-upDELIVERY• Detailed report (file:line + concrete fix) — for standard audits• Direct refactoring (clone + fix + tests + clean handover) — for premiumPROPRIETARY TOOLS• Beaume — RAG engine, 672K docs, 90% recall@10, deterministic verifier with 0 hallucination on numerical thresholds. Three-brain architecture, 100% local.• Jars — native iOS app (5500 lines of code, 102 tests, StoreKit 2, Family Controls) built with the same rigorous method.Stack: Python, TypeScript, Go, Rust, Swift, orchestrated AI agents.
- BeaumeFounder & ArchitectFebruary 2026 - Today (6 months)Beaume is a 100% local legal RAG engine for French lawyers. First version on labor law (economic dismissal). Three-brain architecture (creative LLM + deterministic expert system + distributed multi-agents), 672K Legifrance documents indexed, deterministic verifier achieving 0 hallucination on numerical thresholds.Differentiator: we make a deterministic expert system reason; the LLM is only used for natural language translation. The opposite of the Harvey / Doctrine model.FIGURES• 672K compacted Legifrance docs (~60 MB free tier)• 90% recall@10 on BGE-M3• 28/28 document_analyzer tests + 370/370 non-LLM tests passed• Runs on Mac Air M2 16GB (free tier)ROLE• Product and architecture vision• AI agent orchestration for development and operations• OSS strategy (BSL 1.1 level 2) and go-to-market for Lyon lawyers• YC communicationSTACK: Python, RAG (BGE-M3 + FAISS + PageRank), Swift (macOS HUD), Ollama (Gemma 4), orchestrated Claude agents.
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