Software Engineer at European Startup Embassy, San Francisco
I build AI products
end to end.
Solo-built a mobile AI app to 20,000 users with zero marketing spend. Now an engineer at a San Francisco startup, while finishing high school in Düsseldorf. Shipping software since 13.
Things I built and shipped.
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AlevioOS Founder
Hybrid on-device and cloud AI app. 20,000+ users with €0 marketing, €500 MRR two months after monetizing.
React Native · llama.cpp · Whisper
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Local Vision
Real-time iPhone vision assistant, 100% on-device on Apple MLX.
SwiftUI · Metal · MLX
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simctl-mcp
Lets Claude Code QA-test iOS apps on its own and file bug reports.
TypeScript · MCP
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Neural AI Memory System
Long-term memory layer for LLM agents, used by outside developers.
Python · Vector retrieval
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Jarvis
Offline macOS voice assistant, shipped as a notarized app. 78 GitHub stars.
Python · Llama 3.2 · Whisper
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GPT-2 from scratch
GPT-2 rebuilt in plain PyTorch, running OpenAI's real weights.
Python · PyTorch
Where I've worked.
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European Startup Embassy Software Engineer · Remote
Built a Slack bot over an 8,000-person CRM that finds the right speaker or expert in seconds instead of hours. Data enrichment for +500 member profiles.
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OMO IT Lead · Freelance
Built the order system every employee uses: calls are logged via VoIP and the customer's history opens as the phone rings. Also both websites, om-haustechnik.de and omo-kunstrasen.de.
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Siemens Mobility Software Intern
Worked with engineers on rail software for the global market. Earned a recommendation letter.
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Lautsprecher-Onlineshop.de Freelance
Customer support and order fulfillment alongside school.
Fast, cheap to run, works offline.
That's what I optimise for. I started coding at 13 because I wanted things that didn't exist yet.
- Stack
- Swift, SwiftUI, Metal, Python, TypeScript, React Native
- AI
- On-device inference, RAG, LLM memory, Transformer internals, Quantization
- Education
- Heinrich-Böll-Gesamtschule · Abitur 2027 · GPA 1.1 · US GPA 3.8
- Stanford
- Audited CS 25 Transformers, CS 347 HCI, CS 522 AI in Healthcare (2026), CS 547 HCI
- Languages
- German, English · basic Polish, French, Dutch