John Mcfarlane
Principal Software Engineer at Splunk
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolJohn Mcfarlane is a Principal Software Engineer in Seattle with 18 years of experience building reliable, pragmatic infrastructure and developer tools across Linux, Python, and Go. Currently at Splunk, he brings a deep systems background from roles at The Climate Corporation and early-stage engineering and ops leadership, combining hands-on coding with operational rigor. He specializes in containerization, observability (Prometheus), and performance tuning, and has a history of building bespoke frameworks, caching layers, and automation that materially reduced load on databases and improved reliability. An engineer who values honesty and responsibility, he also runs long-term personal projects (including an open-source Python web framework and extensive infrastructure work) that reflect his curiosity about system-level optimization and practical scalability.
18 years of coding experience
14 years of employment as a software developer
Biology, Biology at University of Cincinnati
Github Skills (103)
hugo10
prometheus-exporter10
security10
monitoring10
linux10
golang10
graphing10
database10
notable10
prometheus10
macos10
time-series10
system-monitoring10
react10
data-visualization9
Programming languages (7)
Github contributions (5)
TheClimateCorporation/label_exporter
Apr 2015 - May 2017
Contributions:27 commits, 22 PRs, 15 pushes in 2 years 1 month
exportermetricsprometheus-exporterprometheus
jmcfarlane/howto
Mar 2009 - Mar 2011
Contributions:5 commits in 2 years 1 month
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