# X3m Industries

> High-Performance Software Architecture & Boutique Consulting

Boutique software engineering and consulting firm led by Steven Ceuppens. Specialized in mission-critical software architecture, in-house products, systems engineering, and full-stack cloud platforms.

## Core Services & Practice Areas
- [Software & Systems Architecture](https://www.x3m.industries/#services): Comprehensive architectural reviews, system redesigns, and scalability assessments for mission-critical software. We eliminate architectural bottlenecks and ensure high reliability under extreme loads.
- [Linux Kernel & Systems Engineering](https://www.x3m.industries/#services): Rare low-level systems expertise spanning the Linux graphics stack, DRM/KMS, Wayland compositors, embedded environments, and hardware integration for specialized devices and appliances.
- [High-Throughput APIs & Cloud Infrastructure](https://www.x3m.industries/#services): Engineering robust, high-performance backends and real-time APIs built with Go and Rust. Protocol Buffers, ConnectRPC, and type-safe contracts deployed natively on GCP and Vercel.
- [Fine-Grained AuthZ & Identity Systems](https://www.x3m.industries/#services): Enterprise-grade authentication, SSO, and relationship-based access control (ReBAC). Implementing Zanzibar-style authorization with SpiceDB for complex multi-tenant platforms.
- [Fractional CTO & Technical Leadership](https://www.x3m.industries/#services): High-leverage advisory for executive leadership. We help CTOs and Directors evaluate engineering strategy, set developer standards, establish monorepos, and accelerate execution without hiring bloat.

## Track Record & Open Source
- [COSMIC Desktop Subsystems](https://github.com/pop-os/cosmic-settings/pull/2024): Upstream contributions in Rust to the next-generation COSMIC desktop environment and D-Bus bindings. Implemented BlueZ agent message forwarding and passkey/PIN dialog interaction flows for Wayland-native Bluetooth keyboard pairing. (System76 / Pop!_OS — Upstream Open Source · Desktop Compositor & D-Bus)
- [Cilium eBPF Cloud Networking](https://github.com/cilium/cilium/pull/4264): Upstream contributions in Go to the Cilium kernel-level networking, security, and observability engine. Enhanced bugtool diagnostics, identity listing introspection, and daemon monitoring telemetry. (Cilium / CNCF — Upstream Open Source · Kernel eBPF & Observability)
- [Payload CMS MCP Operations](https://github.com/payloadcms/payload/pull/14334): Upstream contribution to the official Payload CMS Model Context Protocol (MCP) plugin. Implemented full multilingual localization support and singleton globals handling for autonomous AI agents. (PayloadCMS — Upstream Open Source · Agentic AI Protocol (MCP))
- [Antigravity Linux Distribution Pipeline](https://github.com/x3m-industries/antigravity-packages): Automated, cryptographically GPG-signed packaging pipeline and Linux distribution mirrors (DNF/RPM and APT/DEB) for Google's Antigravity AI IDE and agent runtime across x86_64 and aarch64, featuring FreeDesktop integration and OAuth URL protocol handlers. (X3m Open Source — X3m Open Source · Native Packaging & Package Mirrors)
- [ImgForge Media Engine](https://github.com/ImgForger/imgforge/pull/48): Performance and encoding contributions to the ImgForge image microservice in Rust and libvips. Restored cache colourspace integrity in watermark overlays, added WebP save suffix encoders, and source format fallbacks. (ImgForger — Upstream Open Source · High-Throughput Image Encoding)
- [Education Academy Platform](https://www.educationacademy.be/): High-conversion digital education and course commerce platform. Engineered complex accreditation logic (Pro-Q-Kine), financial checkout and automated payment workflows via Mollie, Flemish Government VLAIO KMO-Portefeuille subsidy compliance, and O(N) optimized real-time catalog filtering. (Education Academy BV — Commercial Delivery · Course Commerce & VLAIO Subsidies)
- [Praktijk De Puzzel Platform](https://www.depuzzel-retie.be/): Engineered a deterministic, ultra-fast healthcare practice architecture achieving perfect 100/100 Google Lighthouse scores across all categories, strict WCAG AA/AAA keyboard and portal accessibility, and rich JSON-LD semantic entity SEO graphs. (Praktijk De Puzzel Retie — Commercial Delivery · Deterministic Web & Accessibility)
- [hybrid-gpu-wayland-freeze](https://github.com/stevenceuppens/hybrid-gpu-wayland-freeze): A deep-dive investigative suite and technical reproduction repository isolating a multi-layer display lockup across NVIDIA proprietary drivers, GNOME Shell, Wayland DRM/KMS, RPM Fusion, and systemd suspend targets. (X3m Open Source — X3m Open Source · DRM/KMS Display Lockup Diagnostics)

## Technology Stack
- **Languages & Runtimes**: Go (Golang), Rust, TypeScript, Node.js, Bun
- **Systems & Low-Level**: Linux Kernel Subsystems, Wayland Compositors, DRM / KMS, Embedded Linux, Hardware Interfacing
- **Distributed APIs & Protocols**: ConnectRPC, Protocol Buffers (Protobuf), gRPC, CloudEvents, REST & GraphQL
- **Web & Mobile Applications**: Next.js (App Router, RSC), React, Expo (React Native), Tailwind CSS, React Email
- **Auth, Identity & Security**: SpiceDB (Zanzibar ReBAC), OAuth 2.0 & OIDC, Better-Auth, Enterprise SSO / SAML
- **Cloud & Infrastructure**: Google Cloud (GCP), Vercel, Linux Servers, CDN & Edge Routing, Containerization
- **AI & Intelligent Systems**: Agentic AI Systems, Model Context Protocol (MCP), Google ADK, Tool Calling Architecture
- **Tooling & Monorepo Strategy**: Polyglot Monorepo Architecture, Nx DevTools, Bun Workspaces, Automated CI/CD Quality Gates

## Engineering Articles
- [Engineering Blog Index](https://www.x3m.industries/blog): Systems investigations and technical post-mortems
- [Engineering RSS Feed](https://www.x3m.industries/blog/feed.xml): XML syndication feed
- [The 5-Minute Display Lockup: Tracing a 4-Layer Linux Bug Across NVIDIA, GNOME, RPM Fusion, and systemd](https://www.x3m.industries/blog/the-5-minute-display-lockup): How a subtle interaction between proprietary NVIDIA drivers, GNOME Shell Wayland compositing, RPM Fusion packaging scripts, and systemd power targets caused reproducible 5-minute display freezes on hybrid GPU workstations.

## Key Resources
- [Full Technical Context](https://www.x3m.industries/llms-full.txt): Deep architectural specification and complete tech matrix
- [Technical Consultation](https://www.x3m.industries/contact): Connect directly with Steven Ceuppens
- [GitHub Organization](https://github.com/x3m-industries): Open source systems and tools
- [Company LinkedIn](https://www.linkedin.com/company/x3m-industries/): Company news and announcements
- [Founder GitHub](https://github.com/x3m-industries): Steven Ceuppens GitHub profile
- [Founder LinkedIn](https://www.linkedin.com/in/stevenceuppens): Steven Ceuppens LinkedIn profile