Lion Vollnhals
Cofounder at Giant Monkey Software Engineering GmbH
Berlin Metropolitan Area Germany
Summary
👤
Senior🎓
Top SchoolLion Vollnhals is a seasoned software engineer and cofounder with roughly 15 years of hands-on experience and two decades of involvement in designing and delivering high-quality IT solutions. As CTO of Giant Monkey Software Engineering GmbH, he architects business process and workflow optimization systems, blending pragmatic product analysis with robust engineering. His technical breadth spans Ruby on Rails, C/C++, Python, Java, SQL and frontend technologies, underpinned by disciplined practices in testing, CI, monitoring and performance tuning. Having consulted for government and non-profit organizations, he brings an ability to translate complex institutional requirements into maintainable, auditable software. Based in the Berlin area and educated at Hasso-Plattner-Institut, he pairs startup grit with enterprise-grade engineering craftsmanship.
15 years of coding experience
4 years of employment as a software developer
Bachelor of Science IT-Systems Engineering, Bachelor of Science IT-Systems Engineering at Hasso-Plattner-Institut Universität Potsdam
German, English
Stackoverflow
1,782reputation
58kreached
7answers
0questions
php
top-5%
Github Skills (91)
hide10
sapper9
application9
slug9
plugin9
php9
permalink9
fine-tuning8
slugify8
vector-database8
data-structures8
llm8
friendly-url8
strings8
elastic-apm8
Programming languages (6)
Github contributions (5)
giantmonkey/devise_token_auth
Aug 2015 - Dec 2021
Contributions:10 pushes, 2 branches in 6 years 4 months
token-based-authenticationtoken-basedrailstokenauthentication
vollnhals/dependent-fields-rails
Feb 2013 - Sep 2014
DependentFields makes it easy to hide or show dependent fields in forms based on select or checkbox values.
Contributions:9 commits, 1 comment in 1 year 6 months
hidefieldscheckbox
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