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Troels Roennow
@troelsfr
Physicist turned web developer, based in Denmark
Denmark
Danish, English
About me
I'm a seasoned engineer who has built top-notch software for Microsoft, Nokia and a stack of web3 companies.
Today I build websites, landing pages and web apps for businesses. Fast to load, sharp on a phone, and built to do the one job you need them to do.
Skills
Troels Roennow
Offline •
See my services
Full Stack Web Applications
I will build a custom 5 screen web app for your business
WordPress
I will design and set up a 5 page wordpress website seo ready
Portfolio
Work experience
Founder and CEO
Wonop
Nov 2016 - Present • 9 yrs 9 mos
I run my own product company, building and shipping web products end to end. Grew it from nothing to a profitable business without outside investment.
Senior Blockchain Engineer
Subzero Labs
Jun 2025 - May 2026 • 11 mos
Built the software tools and testing setup that the rest of the engineering team relied on, so problems got caught long before anything went live.
Founding Principal Engineer
kluster
Apr 2024 - Jul 2025 • 1 yr 3 mos
First engineer at an AI startup. I built the platform the whole business ran on, from the first line of code to launch. The company raised $4M and was later acquired.
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benjo8
Germany
Everything fine
$50
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