Frederik (Phd) Lipfert
Founder
Experience
Jan 2016 - Present
8 years 6 months Munich, Germany
Founder
Tech Lunch Club
- Founded and organized a curated networking event connecting startup founders, executives, and tech leaders over lunch
- Facilitated discussions on emerging technologies, AI, and business innovation, fostering collaboration between the startup and corporate worlds
- Built a thriving industry community, creating meaningful business opportunities
Jan 2016 - Jun 2018
1 year 6 months Munich, Germany
Chief Technology Officer
Catchys GmbH
- Co-founded Catchys, an online fashion search engine aggregating 5 million+ products from second-hand and outlet marketplaces
- Independently built and deployed the entire platform, including backend infrastructure, search indexing, and AWS cloud deployment
- Pitched investors alongside a co-founder, contributing technical insights and product vision, leading to 500,000 EUR in venture funding
- Collaborated with business and marketing teams to improve conversion rates and user engagement
Jul 2016 - Present
9 years Munich, Germany
Founder & CEO
Speedcheck (Etrality GmbH)
- Built and scaled an internet speed test application to 3 million monthly active users across mobile and web
- Developed full-stack solutions using Node.js, Swift, React, AWS, and GCP
- Designed and implemented data analytics pipelines to optimize user engagement and retention
- Partnered with telecom companies to provide network performance insights
- Developed and deployed a custom speed test SDK in the Booking.com app, enabling hotel guests to assess WiFi quality
- Managed business strategy, growth, and monetization, reaching a peak annual revenue of 1M EUR
Jan 2010 - Dec 2014
3 years Munich, Germany
PhD Researcher
Forschungszentrum Jülich
- Conducted neutron scattering experiments on microemulsions at a nuclear research reactor
- Successfully secured beam time at leading research facilities (NIST, Oak Ridge National Laboratory) via expert-reviewed proposals
- Designed and executed complex experimental setups, collecting and analyzing large-scale data
- Utilized Python and scientific computing tools for data processing and quantitative analysis
Summary
Experienced technology entrepreneur, software engineer, and ex-CTO with a PhD in Physics and a track record of building and scaling high-impact products. Led the development of applications with millions of users, successfully raised 500,000 EUR in venture funding, and collaborated across engineering, business, and product teams. Passionate about AI-powered applications, cloud computing, and distributed systems, with a strong focus on building scalable and high-impact technology solutions that bridge the gap between innovation and real-world implementation.
Languages
German
Native
English
Advanced
Education
Oct 2011 - Jun 2014
University of Münster
PhD, Magna cum laude · Physics · Münster, Germany
Oct 2005 - Jun 2010
Technical University of Munich
Masters Degree · Technical Physics · Munich, Germany
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