John Koelndorfer
Lead Cloud Engineer at Target
Greater Minneapolis-St. Paul Area United States
Summary
👤
Senior🎓
Top SchoolJohn Koelndorfer is a Lead Cloud Engineer with 12 years of hands-on experience building resilient, cost-conscious cloud platforms and developer tooling across AWS and Google Cloud. He combines deep systems and security roots—from Linux administration and digital forensics to network hardware automation—with a proven record of reducing cloud costs (30–35%) and dramatically improving developer productivity and reliability. At BigCommerce and AerisWeather he led platform-wide Terraform, CI, and Kubernetes initiatives that scaled complex multi-service environments and supported internal AI efforts. Pragmatic yet perfection-driven, he excels at bridging disparate technical disciplines to architect holistic, auditable systems. Based in the Twin Cities, he also has a research background in cellular security and a long history of shipping automation that turns weeks of work into repeatable, maintainable processes.
13 years of coding experience
16 years of employment as a software developer
Bachelor's Computer Science, Bachelor's Computer Science at University of Minnesota
English
Github Skills (66)
user-experience10
cli9
refactoring9
zsh9
opera-extension9
static-analysis8
python8
chrome-extension8
type-inference7
qt7
safari-extension7
vim6
minecraft6
infrastructure6
browser6
Programming languages (7)
Github contributions (5)
jkoelndorfer/local-tools
Jun 2014 - Dec 2018
Contributions:102 commits, 45 pushes, 1 branch in 4 years 7 months
jkoelndorfer/website
Jun 2019 - Jun 2026
Contributions:67 pushes, 9 branches in 7 years
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