Pierre Nicolas

Software Engineer & Systems Builder
Crafting low-overhead desktop utilities, document pipelines & type-safe data layers.

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📦 Products & Open Source

region-to-share Native screen region sharing utility for Linux video calls (Meet, Teams, Discord). Wayland & X11 native capture via XDG Desktop Portal. Ultra-low latency overlay with negligible CPU impact. snap install region-to-share	Rust egui Linux Desktop
fX High-throughput Factur-X / ZUGFeRD / EN16931 PDF/A-3 generator. Benchmarked at ~165 PDF/s for high-volume B2B e-invoicing. Standalone microservice ready for ERPs (Dolibarr, Invoice Ninja).	Go Typst Microservice
firestore-repo-service (FRS) Type-safe Firestore ORM & repository layer for TypeScript and Node.js. Auto-generated typed repositories with compile-time query safety. Supports batch operations, transactions, pagination, and aggregations. npm i @lpdjs/firestore-repo-service	TypeScript Node.js Firebase

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🛠️ Core Focus & Systems

Domain	Focus & Tooling
Desktop & Systems	Wayland protocols, X11, Snap packaging, native UI (Rust, egui)
Document Compliance	Electronic invoicing (Factur-X, EN16931), PDF/A-3 rendering (Go, Typst)
Cloud & Backend	Type-safe data layers, VoIP integration (Asterisk / MikoPBX), containerized microservices