Daniel Hoelzgen
Managing Director Software Engineering at SteerSuite
Bochum, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolDaniel Hoelzgen is a seasoned software engineering leader with 15 years of experience, currently serving as Managing Director Software Engineering at 9elements and CTO at MedMile. He combines deep hands-on expertise in Elixir/Phoenix and Ruby on Rails with a track record of building web and mobile products that leverage AI, logic, and data visualization. Daniel progressed from lead developer to head of operations and now executive leadership, blending technical delivery, project management, and operational scaling. He frequently advises and interim-CTOs for organizations, bringing practical experience in designing highly scalable systems and internal digital agencies. Based in Bochum, Germany, he is committed to community knowledge-sharing and keeping teams at the cutting edge of technology.
14 years of coding experience
13 years of employment as a software developer
Diploma Computer Science, Diploma Computer Science at TU Dortmund University
German, English
Stackoverflow
1,150reputation
96kreached
23answers
2questions
Github Skills (31)
rest-api8
api8
api-client8
directions7
api-platform7
graphql6
curl6
grpc6
optimization6
ruby-on-rails6
http-client6
rest6
rspec6
websocket6
jquery6
Programming languages (2)
Github contributions (5)
9elements/hackerspursuit
Jan 2012 - Feb 2013
Contributions:101 commits in 1 year
dhoelzgen/snake
Jun 2011 - Jul 2011
Contributions:58 commits in 1 month
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