Robert Hoffmann

Projects

Robert Hoffmann · Toulouse, France · Maser Engineering

Canonical project index for Robert Hoffmann, covering high-traffic media systems, aerospace operations, developer tooling, AI-directed delivery, and frontend/platform work.

Canonical project pages

tchatche.com: Media & Community Ecosystem

2004 – 2013 · 123 Multimedia / Index Multimedia

High-traffic real-time product ownership across browser UX, APIs, caching, moderation, and i18n.

  • 600M views/mo
  • 13-lang i18n
  • $300K/mo
  • 400M req/day sites
  • ~125K req/s chat

Lead developer and technical owner for high-traffic white-label real-time chat products inside the broader tchatche.com media ecosystem, spanning frontend architecture, backend APIs, caching, moderation, browser compatibility, performance, responsive versions, Facebook integration, location features, social sharing, and 13-language i18n across the main site, user blogs, and dedicated chat apps.

Stack: .NET MVC5, WebAPI 2, .NET 4.5, C#, CSS3, HTML5, LESS, jsRender, Google Maps

Ad Proxy: Ad-Distribution Server

2010 – 2013 · Index Multimedia

Revenue-critical backend infrastructure built for high-volume media operations.

  • 3B+ ads/mo
  • +20% ad revenue
  • +30% CTR
  • ~5% CPU

Generic ad-distribution server that gave ad managers one scheduling and dispatch entry point across chat, news, blog, and white-label sites. It consolidated many ad-agency contracts and agency-specific systems behind demographic targeting, format detection, site routing, and performance-based delivery.

Stack: ASP.NET 4, C#, Ad Serving, Targeting, Load Balancing

TMIP Scheduler: Aerospace Data Orchestration

2025 – present · Maser Engineering for Airbus

Modernizing a legacy operational system into typed, observable production infrastructure.

  • 30K+ jobs/day
  • 3-100 calls/job
  • 16 plants
  • ~1,000 users

Central orchestration service for aerospace smart-cabinet operations, synchronizing Nexess cabinet servers, Google Workspace, Skywise datasets, and internal management tools while modernizing an undocumented, untyped legacy Python codebase into typed, observable, production-grade infrastructure for 16 Airbus assembly plants.

Stack: Python, FastAPI, aiohttp, Pydantic, glom, uv, Ruff, Pyright, Windows Server, Skywise, Google Workspace, VueJS

TMIP Logger: QoS & KPI Observability

2025 – present · Maser Engineering for Airbus

Operational observability that turns raw job events into diagnosis, alerts, and KPI evidence.

  • 10x error reduction
  • 5x faster bug resolution
  • 5x job-volume scale-up
  • Nearly 300 scheduled jobs

Structured logging and observability layer for TMIP operations, turning raw job events into searchable SQLite records, a VueJS inspection UI, Skywise dashboard feeds, and automated alerts for error spikes, job health, and plant-level impact.

Stack: Python, VueJS, SQLite, CSV, Skywise, Structured Logging, REST API

Uncle Bob: Agentic AI Workflow System

2026 – present · Independent

Human-owned AI delivery controls packaged as portable agent skills.

  • 11 portable AI skills
  • Workflow + governance gates
  • Docs-sync validation
  • Production aerospace use

Portable skill system for AI coding agents, structured as a human-owned delivery model for quality, workflow, governance, authoring, and specialist implementation guidance. It turns Agile, Scrum, Kanban, Shape Up, and AI-evaluation ideas into practical controls: lane selection, durable artifacts, WIP limits, readiness gates, bounded exceptions, evidence routing, docs synchronization, and deterministic validation scripts.

Stack: Agent Skills, GitHub Copilot, Codex, Claude Code, VitePress, Python, uv, Ruff, Taskfile, GitHub Actions, Mermaid, Markdown, AI-Directed Delivery

i-technology.net: AI-Directed Desktop Portfolio

2026 – present · Independent

A resume turned into a product surface with human-owned AI-directed delivery.

  • AI-directed case study
  • Desktop + mobile UX
  • Google PageSpeed 100/99
  • 100 Accessibility + SEO

Recruiter-facing portfolio and AI-directed delivery case study that turns a resume into an interactive desktop product. Product direction, architecture, acceptance criteria, review, tests, documentation sync, and quality gates stayed human-owned while agents provided implementation throughput across the macOS-style shell, typed app registry, window manager, async-loaded mini apps, bilingual content, mobile shell, prerendered SEO, structured metadata, and measured Google PageSpeed scores.

Stack: VueJS, TypeScript, Vite, Tailwind CSS, Three.js, vite-prerender-plugin, Sharp, AI-Directed Delivery

Parallax Designer: AI-Directed Visual Builder

2026 – present · Independent

A practical visual tooling product for designing and exporting layered web scenes.

  • AI-directed build
  • Real-time parallax editor
  • Standalone HTML export
  • Automated VitePress docs

Browser-based visual editor for designing multi-layer parallax scenes like the portfolio background system. It provides real-time preview, layer geometry and motion controls, local asset storage, presets, schema validation, standalone runtime HTML export, and an AI-directed documentation pipeline syncing app, user, and API docs into a VitePress site.

Stack: Vue 3, TypeScript, Vite, Tailwind CSS v4, Dexie, IndexedDB, SortableJS, Vitest, Playwright, VitePress, GitHub Actions, AI-Directed Delivery

HeadJS: Open-Source JS Library

2011 – 2014 · Open Source / Index Multimedia

Public open-source maintenance of a widely used JavaScript loading and feature-detection library.

  • Main maintainer
  • 4K+ GitHub stars
  • 400+ forks
  • Script loader + feature detection

Main maintainer of a popular JavaScript library for non-blocking script loading, resource management, responsive helpers, browser detection, feature detection, HTML5 enabling, and Modernizr-style shim support during the IE6+ and mobile-web era.

Stack: JavaScript

Additional project evidence

Hutchinson: Digital Work Instructions

2022 – 2023 · Maser Engineering for Hutchinson

  • 512 parts
  • 10,202 assembly steps
  • Offline tablet app
  • 10 Airtable contributors

Tablet work-instruction platform for transferring composite-manufacturing know-how between factories. Operators used it with safety gloves at the workstation, with offline access to PDF plans, MP4 videos, annotated images, schemas, PPE checks, materials, tools, and step-by-step assembly guidance.

Stack: Quasar, VueJS, Airtable, MySQL, C#, PHP, Offline UX

SBM / Teréga: Onboarding & Certification Tracking

2025 · Maser Engineering for SBM Company and Teréga

  • SBM: 117 companies
  • SBM: 595 users
  • Teréga: 2,303 users
  • SBM: 219 documents
  • Expiry automation
  • White-label variant

Compliance onboarding platform for high-risk work sites, combining SCORM training, document collection, certification expiry tracking, subcontractor delegation, and gate-access verification so site guards can confirm whether a worker is cleared before entry. A white-label Teréga version reused the onboarding and certification core with document management and advanced role delegation disabled.

Stack: PHP, Symfony, Live Components, Bootstrap, MariaDB, SCORM

T4ResX: Localization Tooling

2012 – 2014 · Index Multimedia

  • 14.5K NuGet downloads
  • 2.3K VS Marketplace installs
  • Strongly typed resources
  • Localized JavaScript export

Open-source Visual Studio T4 tooling distributed through NuGet and the Visual Studio Marketplace, transforming RESX files into strongly typed resource accessors for websites, class libraries, ViewModels, localized JavaScript exports, database-backed translations, and RESX-to-Excel translator workflows.

Stack: C#, T4, Visual Studio, RESX

FindUnusedFiles: Visual Studio Extension

2013 – 2015 · Index Multimedia

  • 15K+ VS Marketplace installs
  • Solution and website scans
  • Unused asset detection

Visual Studio add-in and standalone developer tool that scanned VS solutions and website projects to surface unused images, scripts, stylesheets, and other resources, reducing dead assets in large web applications.

Stack: C#, Visual Studio SDK, .NET

Wind Turbine Maintenance Operations Platform

2022 – 2024 · Maser Engineering

  • Hundreds of turbines
  • 10-20 wind parks
  • 20-30 field engineers
  • Offline Dexie sync

Production maintenance operations platform for Maser Engineering’s renewable-energy field teams, combining a Symfony planning back office with an offline-capable Quasar companion app. Managers planned multi-team interventions across 10-20 wind parks and hundreds of turbines; field engineers downloaded site and job documents, captured checklists, photos, signatures, timestamps, work reports, machine status, and downtime, used Google Maps directions, and synced queued updates when connectivity returned.

Stack: Symfony, Live Components, Bootstrap, MariaDB, REST API, Quasar, VueJS, Dexie, IndexedDB, Google Maps, PDF

Student Attendance & Invoicing System

2023 · Maser Engineering

  • Hundreds of students/year
  • Paper attendance replaced
  • Attendance PDFs
  • Automated billing exports

Digital attendance and billing workflow for an aerospace training center. Teachers collected student signatures digitally; HR used the back office to track presence, absences, hours, client associations, attendance PDFs, billing CSVs, and automatic invoicing data for companies sending students.

Stack: VueJS, Symfony, Live Components, Bootstrap, MariaDB, PDF, CSV

Maser Academy: Course Inventory Planning

2025 · Maser Engineering for Maser Academy

  • 76 practical exercises
  • 532 supply types
  • 5 suppliers
  • Automatic purchase lists
  • CSV purchasing export

Airtable-based inventory planning system for Maser Academy training centers. Managers select an upcoming course session, training center, student group, and exercises; the system aggregates required supplies across 76 practical exercises, 532 supply types, and 5 suppliers into a purchasing list with references, prices, totals, automations, and CSV export for the buying department.

Stack: Airtable, Airtable Automations, Linked Records, Formulas, CSV, Inventory Modeling

Roland-Garros: Staff Navigation PWA

2022 · Maser Engineering for CRIT / Roland-Garros

  • PWA for temporary staff
  • Step-by-step visual routing
  • Chrome TTS directions
  • Live Airtable updates

Navigation PWA for temporary staff working at Roland-Garros, guiding people across venue halls, corridors, workspaces, and access paths with manual step plans, road and hallway photos, mini-maps, directional arrows, and Chrome text-to-speech instructions.

Stack: Vanilla JavaScript, HTML5, CSS3, PWA, Chrome TTS, Airtable

Public Health Analytics Dashboards

2021 – present · Independent

  • 8K data.gouv views
  • DREES + COVID indicators
  • Vaccination-status analysis
  • Power BI public reports

Public Power BI dashboards consuming French public-health open data, including DREES vaccination datasets and COVID-19 indicators published as a data.gouv.fr reuse. Built comparative views by vaccination status, age, date range, hospitalization, ICU occupancy, deaths, positivity, tests, and demographic breakdowns.

Stack: Power BI

HealthMonitoring: Error Tracking

2006 – 2013 · Index Multimedia

  • Days-to-minutes fixes
  • SQL/IIS/.NET/client errors
  • Stack-trace back office

Aggregated error-tracking back office built on .NET HealthMonitoring. It tracked SQL, IIS, .NET, application, and client-side errors; grouped incidents by machine, exception, and message; and exposed drill-downs into stack traces, request context, and browser metadata.

Stack: ASP.NET, .NET Framework, HealthMonitoring

JsonRaw: Lightweight JSON Protocol

2012 – 2013 · Index Multimedia

  • Production chat traffic
  • 43-51% smaller payloads
  • Schema-aware key elision
  • TOON-like idea in 2012

Production lightweight JSON protocol used by the tchatche.com chat platform to reduce bandwidth on high-volume Ajax traffic. It removed repeated object keys from payloads and reconstructed data from implicit schemas or type hints, anticipating the same shape-aware compression idea now seen in LLM-oriented formats like TOON.

Stack: JavaScript, C#, .NET, JSON

PowerToys for OpenAI

2023 – archived · Independent

  • Chrome + Edge extension
  • Search-page GPT injection
  • Voice-to-text
  • Custom prompt profiles

Archived Chrome and Edge extension built when early GPT interfaces were still limited. It added chat history, voice-to-text, custom profiles, and search-provider integration that injected a ChatGPT-style box directly into Google and other search result pages.

Stack: Browser Extension, JavaScript, OpenAI API, Chrome, Edge

MicroCoil Calculator: Web & Mobile

2014 – present · Independent

  • 50K+ monthly active web users
  • 10K+ Android installs
  • Major French vape sites

Community toolset for DIY vapers, combining a mobile app and mobile-first web app deployed across major French vaping e-commerce sites. It helped users calculate coil resistance and estimate liquid consumption while transitioning from smoking to vaping.

Stack: VueJS, Cordova, AngularJS, Bootstrap

Web-Monitor.NET

2014 – 2015 · Independent

  • Cloud rewrite
  • Multi-provider SSO
  • Azure-hosted

Full rewrite of the HealthMonitoring concept as a cloud-era testbed, integrating social SSO through LinkedIn, Google, Facebook, and Live, with hosting on Windows Azure, Azure SQL, and cloud messaging via Mandrill.

Stack: AngularJS, MVC5, Bootstrap, Azure, Azure SQL

PhantomUI: Web-to-PDF Converter

2015 – present · Independent

  • Local/remote rendering
  • PDF and image output
  • Modified PhantomJS build

Desktop utility that converts local and remote web pages to PDF or image output, wrapping a modified and recompiled PhantomJS build with broad HTML5 and CSS3 rendering support.

Stack: C#, WPF, PhantomJS

jQuery Mario: Nicky Larson POC

2011 · Index Multimedia

  • Nicky Larson Flash port POC
  • jQuery browser-game prototype

Lightweight browser-game proof of concept built to test whether a Flash game from the Nicky Larson franchise could be ported to the web with a jQuery-based implementation.

Stack: jQuery