Marc Riemer
Founder CEO at AuthWire GmbH
Lüneburg, Lower Saxony, Germany
Summary
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RockstarMarc Riemer is a serial founder and CEO based in Lüneburg, Germany, with nine years of professional experience leading technology startups. He currently runs AuthWire GmbH and has led IPtoX GmbH since 2008, after founding and scaling Weliano GmbH from 2012 to 2017. Marc combines long-term entrepreneurial leadership with hands-on company-building across multiple ventures, suggesting strengths in product-market fit and operational scaling. Although his public GitHub activity is minimal, his repeated founder role indicates deep practical knowledge of launching and steering tech businesses. He is likely skilled at navigating the German startup ecosystem and translating technical ideas into viable companies.
9 years of coding experience
5 years of employment as a software developer
German, English
Github Skills (27)
safetynet10
factor-authentication10
authentication10
fido-u2f10
php10
oauth2-server10
oauth10
webauthn9
fido9
symfony-bundle8
symfony8
google-authenticator8
cli6
miner6
totp5
Programming languages (3)
Github contributions (5)
marcriemer/oauth2-server
Nov 2022 - Dec 2025
A spec compliant, secure by default PHP OAuth 2.0 Server
Contributions:5 releases, 1 review, 37 PRs in 3 years 1 month
oauthphp
marcriemer/oauth2-server-bundle
Nov 2022 - May 2024
Symfony bundle for the OAuth2 Server.
Contributions:2 releases, 20 pushes, 4 branches in 1 year 6 months
oauth2-serversymfony-bundle
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