Frederik (Phd) Lipfert

Founder

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Munich, Germany

Experience

Jan 2017 - Present
9 years 1 month
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 2017 - 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 7 months
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 2011 - Dec 2013
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.

Skills

  • Python
  • Node.js
  • React
  • Aws
  • Cloud Infrastructure
  • Full-stack Development
  • System Architecture
  • Api Development
  • Data-driven Product Optimization
  • Ai Integration

Languages

German
Native
English
Advanced

Education

Oct 2011 - Jun 2014

University of Münster

PhD in Physics · Physics · Münster, Germany · Magna cum laude

Oct 2005 - Jun 2010

Technical University of Munich

Masters Degree, Technical Physics · Technical Physics · Munich, Germany

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