Klaus Breyer
Founder
Experience
Founder
unixtime.app
- Designed a tool for API developers to facilitate bulk timestamp conversion, born from IIoT microservice work with abundant Unix timestamps.
- Streamlined workflows by allowing copy-pasting of entire API requests to view and convert all timestamps in context.
- Enabled screenshot captures of conversions for sharing in collaborative spaces like Slack or JIRA.
- Evolved from a straightforward HTML file into a full-fledged Mac and Windows application.
- Open sourced the project to give back to the developer community.
Co-founder & CTPO
Fillter
- Developed Fillter, a form for social media creator requests that users link in their link tree, Instagram bio, or website.
- Implemented a unique questioning technique so requests arrive via email in a structured format.
- Jointly founded the tool with equal co-founders Felix and Oğuz, leveraging individual skills to bring the project to market.
Solopreneur
cloudlog
- Created Cloudlog.dev, a tool for frontend developers to stream console.log output from any remote browser in real time into their own developer console.
- Developed to meet the needs of remote work environments.
Technology Principal (freelance)
Ray Sono AG
- Involved in projects from initial conceptual brainstorming to implementation using internal or external resources.
- Served as Tech Lead on larger projects, overseeing development teams on-site with the Berlin team or remotely with an international team of developers.
Startup Advisor
touch361
- Act as a technical sparring partner for founders focusing on marketing and business intelligence.
- Tackle challenges related to data protection (DSGVO) and the product development process with the technical service provider.
Tech Lead (freelance)
Hydro Pocket
- As the Technical Lead at Hydro Pocket, the first end-customer product of the industrial company GmbH & Co. KGaA, I built the tech team from scratch within this new business unit and introduced the Shape Up method.
- Hydro Pocket is a leading provider of solutions for hydropower plants. It offers innovative technologies to prevent outages and optimize the performance of hydropower plants through actionable real-time data.
Startup Advisor
vitalfunktion GmbH
- Spar with the founder weekly on product development and monetization for a medication intolerances app with several thousand MAU financed through fixed advertising cooperations.
- Developed and maintain a B2B variant prototype in Material UI aimed at doctors and pharmacists.
Founder and Chief Prototyping Officer
Fotando GmbH
- Identified the need for a mobile browser solution for photo uploading, cropping, and editing to avoid bloated native apps and poor ad conversions.
- Designed a customer journey allowing users to hang printed photos on their wall directly after delivery.
- Achieved functional technical performance but faced financing challenges due to the timing of the first COVID-19 wave.
Technical Evangelist & Tech Lead (interim)
Native Studios UG
- Built several iterations of a prototype for founders in 2016 and 2017 until securing backers and first customers.
- Served as Tech Lead for product development and Technical Evangelist to demonstrate the startup’s technology and capabilities to customers.
Founder and Chief Technology & Product Officer
BuzzBird GmbH
- Embarked on an exciting journey with the goal of making social media influencers programmatically bookable, similar to Google Ads.
- Developed sophisticated software that digitalizes the influencer process, acting as an “Influencer Agency on Steroids,” now primarily used internally.
- Implemented key features including a billing system, a matching algorithm, and an influencer inventory management module.
- Encouraged transparency and data-driven decisions by enabling social media creators to share their statistics.
Founder and Managing Technical Director
buddybrand GmbH
- Started building Facebook apps as a freelancer immediately after university and co-founded the company before completing my bachelor thesis.
- Built several hundred Facebook apps, grew the company from cash flow to 30+ employees, and transformed buddybrand into a full-service digital creative agency.
Summary
Hello, I’m Klaus Breyer, a technology leader with a strong entrepreneurial spirit and over a decade of experience in building and managing effective teams. From kickstarting my entrepreneurial journey in 2010 with my first startup to taking on the CTO/CTPO roles in numerous ventures, I’ve been instrumental in driving technological innovation and excellence.
I’ve anchored my beliefs in Shape Up, the next wave of agile.
I turn visionary business goals into concrete results, with focused expertise at the intersection of product and tech organization. It’s not merely about coding; it’s about crafting standout products that make a mark and drive business forward.
- Startup strategy – turning ideas into impactful ventures.
- Selling the tech vision – whether it’s to investors or stakeholders.
- Prototyping & crafting the first version of a product from scratch, if need be.
- Assembling and nurturing a killer team.
- Bringing product & engineering processes up to speed.
From startup monoliths to large microservice environments, I’ve led and launched.
But beyond the tech, I build infrastructures that empower.
Teams that innovate - Projects that matter.
I’ve penned down my thoughts in articles and shared them out loud at conferences. Whether it’s a page or a stage, I’m there. With a voice in the tech community, I am more than just a leader; I am an influencer, continually bridging the gap between technology, product, and business.
» Good software is always used but never finished.«
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