Christian Orthmann
Self Employed
Copenhagen, Capital Region of Denmark
Summary
👤
Senior🎓
Top SchoolChristian Orthmann is a seasoned backend engineer and payments-focused squad lead with 14 years of experience building scalable web and e-commerce systems, currently driving payment and fulfillment infrastructure at Vivino. He blends deep hands-on expertise in Ruby/Rails, Golang, Java and a wide legacy stack (Nginx, Lucene, Tomcat, etc.) with practical architecture and team leadership, having led cross-border teams and large integration projects. Christian has repeatedly modernized systems at scale—designing APIs, orchestrating database migrations on very large datasets, and automating order handling across multiple partners. His background in digital media engineering from DTU underpins a strong appreciation for usability and resilient system design, and his freelance work includes published Ruby gems and mobile apps. Colleagues describe him as a quick learner who enjoys technical challenges and balances shipping product improvements with raising test quality and compliance in payment flows.
14 years of coding experience
12 years of employment as a software developer
Bachelor of Science (B.Sc.), Software Technology, Computer Science, Bachelor of Science (B.Sc.), Software Technology, Computer Science at Danmarks Tekniske Universitet / Technical University of DenmarkGrundskole, Grundskole at Niels Steensens Gymnasium / NSG
English, Danish, German
Github Skills (35)
json-api10
json9
smoke9
api9
smoke-testing8
rails-api8
capybara8
bigcommerce8
translation7
ruby7
soap7
rails7
rest-api6
soap-client6
oauth6
Programming languages (2)
Github contributions (5)
Vivino/wrest
Feb 2015 - Jun 2018
Contributions:3 reviews, 16 commits, 12 PRs in 3 years 4 months
callsclient-libraryrbxcachingruby
corthmann/locale_pack
Mar 2018 - Aug 2024
A tool for compiling and serving translations from Ruby applications to Javascript frontend components
Contributions:2 reviews, 11 PRs, 20 pushes in 6 years 6 months
servingfrontend-componentstranslationsjavascript-frontendtranslation
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