Experience

  1. Senior Knowledge Engineer / Senior Data Engineer

    GROPYUS
    • Built an LLM-powered interface reducing graph query time from hours to minutes
    • Developed lifecycle automation securing government grants for sustainable projects
    • Established multi-tenant knowledge graph infra with RDF4J and GraphDB
    • Mentored prompt engineering and safe LLM usage internally

  2. Senior Data Engineer

    STRÖER Labs (formerly mbr targeting)
    • Architected RTB stack processing 100k+ HTTP req/sec
    • Built Spark analytics over petabyte-scale data lakes
    • Delivered reporting pipelines reducing effort by 95%

  3. Independent AI Safety Researcher

    Freelance
    • Created jailbreaks against Claude 3 and other frontier models
    • Coordinated responsible disclosures and vendor mitigations
    • Published interpretability and alignment research on Medium

Education

  1. M.Sc. Computer Science

    Technical University of Berlin
    Focus on cognitive systems and quantum computing. Graduated with GPA 1.0 (best grade in German scale). Exchange semester at SJTU Shanghai focused on distributed systems and microservices.

  2. M.Sc. Computer Science (exchange)

    上海交通大学 Shanghai Jiao Tong University
    Exchange semester, focus on microservices and distributed systems.

  3. B.Sc. Informatik (Computer Science)

    University of Hamburg
    Focus on machine learning, algorithms, and data structures. Graduated with GPA 1.6. Foundation for future work in scalable systems and data science pipelines.
Skills • Volunteering • Hobbies
Technical Skills
Python

Full-stack backend + AI workflows

Knowledge Graphs

Multi-tenant systems and real-time querying

AI Alignment & LLM Security

Jailbreaking, prompt injections, mitigation

Data Engineering

Petabyte-scale infra, Spark, ETL, CI/CD

TypeScript / Node.js

Internal tooling, pipelines, and UI integrations

Volunteering & Hobbies
Inclusive sailing expeditions

Haus Mignon

Volunteer teacher

TCDF Thailand

3D Printing

Multi-day mountain tours and exploration

Sound Economics

Hard Money Inspired Fashion

Skiing & Running

I enjoy having fun while staying fit

Languages
100%
German
100%
English
30%
Chinese