VigilanteSystems — Solo developer building software for individuals and small businesses.
I'm a solo developer running VigilanteSystems.
I build digital tools and services that help people and small businesses solve real problems.
- What I do: Full-stack development, AI integration, automation, web platforms, technical architecture
- How I work: Independent, flexible, learning and adapting as I go
- Goal: Build useful software that actually works for my clients
- Custom Software & Web Apps — Built from scratch to fit your specific needs
- AI Tools & Media Generation — Using AI models for automation and content creation
- Technical Consulting — Help with tech decisions, process improvements, and tool selection
- Automation — Making repetitive tasks run themselves
- Security-First Development — Rate limiting, monitoring, proper authentication
- UI/UX Design — Clean interfaces that work well and look good
| Languages | TypeScript, Python, SQL, JavaScript, HTML, CSS, PLpgSQL, Shell scripting |
|---|---|
| Frameworks | React (including React 19), Vite, FastAPI, Node.js |
| Styling | Tailwind CSS, shadcn/ui, Radix UI, lucide-react |
| State/Data | Zustand, @tanstack/react-query, Zod |
| AI/Backend | Multi-model setups, Supabase Edge Functions, prompt engineering |
| Testing | @testing-library/react, Jest, jsdom |
| DevOps | Docker, GitHub Actions, CI/CD |
| Security | Rate limiting, monitoring, CSP, RLS, DOMPurify, runtime checks |
| Databases | PostgreSQL, MySQL, SQLite |
| Media | OpenCV, FFmpeg, Pillow, Librosa |
| Other | Component-based React, semantic HTML, accessibility |
- Theme systems with consistent design tokens
- Security monitoring and error handling built in
- AI integration with multiple models and validation
- Clean, typed code with good documentation
- Accessible by default
- AI orchestration systems
- Generated 2000+ AI videos
- Interactive AI chatbot with custom UI
- Business automation tools
- Various prototypes for web and AI applications
Website: vigilantesystems.de
GitHub: github.com/VigilanteSystems
One developer. Real solutions. No fluff.
Independent. Innovative. Vigilant.
Building the future—one project, one solution, and one satisfied client at a time.