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Ludwig Sonneck

Full-Stack Developer & Product Engineer

Berlin, Germanyludwig.sonneck@gmx.de+49 177 84 00 238ludwigsonneck.com

Full-stack/product developer with 6+ years of experience building web applications, IoT systems, and AI-powered SaaS products. Strong background in end-to-end development, from idea to launch and from database schema to button click animation. M.Sc. in Aerospace Engineering from TU Berlin.

Experience

Indie Founder / Full-Stack and Product Developer
2023 – present
Self-employed
  • Building AI-powered B2B SaaS products: Tippsie (AI writing tool for therapists, ~50 beta users) and HeyMetrix (marketing analytics).
  • Full product ownership: architecture, development (Vue/Nuxt, TypeScript, Appwrite), deployment on self-hosted infrastructure.
  • Flowtapes: AI video editing web app built with Vue, Firebase, FFmpeg on Google Cloud.
AI Consultant
2024 – present
Freelance · Enterprise Client
  • Implementing AI-powered internal tools for a large financial services enterprise.
  • Working within enterprise constraints: security requirements, regulatory compliance.
Automation Engineer / Full-Stack Developer
2019 – 2023
Mosa Meat · Biotech Startup
  • Designed and built IoT platform to automate bioreactor farms: Python backend, Vue frontend, deployed on Raspberry Pi. System still in daily use.
  • Rapid prototyping of lab equipment tools using custom boilerplate framework.
  • Master thesis: Designed PCB, firmware, and GUI for electrical stimulation research device.
Research Assistant
2018 – 2019
TU Berlin · Chair of Space Technology
  • Developed GUI application in Java/JavaFX for ground antenna tracking system.
Bachelor Thesis & Internship
2016 – 2017
Airbus Defence & Space
  • Functional verification of GNSS antenna for ISS payload (ESA project ACES).
  • Integration and acceptance tests of ground terminal equipment.

Education

M.Sc. Aerospace Engineering
TU Berlin · 2017 – 2020 · Grade: 1.1 (highest 1.0 - lowest 4.0) · Focus: Astronautics
B.Sc. Transport Systems
TU Berlin · 2013 – 2017 · Grade: 2.1 (highest 1.0 - lowest 4.0) · Focus: Aerospace Engineering

Strengths & Skills

  • Full product ownership, from concept to production
  • Fast learner, adapts quickly to new tech
  • Works well under pressure, quality-focused
  • Entrepreneurial mindset, sees the big picture

Languages: JavaScript, TypeScript, Python, HTML/CSS·Frameworks: Vue.js, Nuxt.js, Node.js, Electron, Flask·Cloud & Backend: Firebase, Appwrite, Google Cloud, REST APIs·DevOps: Docker, Git, CI/CD, Linux·Other: AI/LLM Integration, IoT, Raspberry Pi, FFmpeg

German (native)English (fluent)