John Meagher
Site Reliability Engineer at John's Angel Investments
Dallas, Texas, United States
Summary
👤
Senior🎓
Top SchoolJohn Meagher is a Site Reliability Engineer with nearly 20 years in software and 14 years of focused experience operating and scaling large distributed systems. He has deep expertise in big data ecosystems—Scala, Hadoop, Hive, Pig—and a strong track record improving reliability for mission-critical services like Elasticsearch and large PostgreSQL fleets. At Twitter and Instacart he built failure-injection and resilience testing tools, automated cluster management, and raised Elasticsearch uptime to >99.9%, demonstrating both hands-on coding and systems thinking. He currently applies that operational rigor at OnePay while beginning angel investing in sustainability and developer-focused technologies. Known for diving into odd edge cases and debugging the inexplicable, he combines practical automation with a curiosity for new tech and pragmatic data science workflows.
14 years of coding experience
26 years of employment as a software developer
Johns Hopkins UniversityBSEE Electrical Engineering, BSEE Electrical Engineering at Colorado School of Mines
English, Spanish
Stackoverflow
23,398reputation
4.8mreached
102answers
7questions
java
top-1%
ssl
top-5%
xml
top-5%
javadoc
top-5%
code-signing
top-5%
ant
top-5%
Github Skills (47)
postgresql10
failover10
load-balancing10
java10
rubynlp10
elastic10
rust10
pooling10
javadoc9
ssl9
code-signing9
exceptions9
ruby9
opentelemetry-collector9
sharding9
Programming languages (5)
Github contributions (5)
jmeagher/dotfiles
Mar 2012 - Sep 2022
Contributions:61 commits, 9 PRs, 68 pushes in 10 years 7 months
jmeagher/monorepo
Jan 2018 - Nov 2020
Playing around with monorepo setup and tools to see how it works for my personal playground
Contributions:104 commits, 138 PRs, 181 pushes in 2 years 10 months
monorepo
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