Jon Mullen
Principal Engineer at Atlassian
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolJon Mullen is a Principal Engineer with 13 years of experience building scalable, cloud-native systems and leading cross-functional teams from data platforms to customer-facing products. Based in Austin, he has driven architecture and delivery at companies ranging from startups to enterprise — most recently Atlassian after principal roles at Shopmonkey, Catalyte, and L7 Informatics. His background spans data lakes, DataOps, microservice patterns, and DevOps automation (AWS, Kafka, Nomad/Consul, Terraform, Docker), and he has repeatedly shipped refactors that improved performance, security, and customer outcomes. Jon blends hands-on implementation (Python, Go, C#, Postgres) with team leadership, having led groups of 15–30 engineers across complex migrations and product launches. Notably, he accelerated large-scale data processing efforts that reduced multi-year work to days, demonstrating a knack for pragmatic automation and operational leverage. He holds a BS in Electrical Engineering from Colorado School of Mines and prefers solving hard infrastructure and data challenges that unlock business velocity.
13 years of coding experience
18 years of employment as a software developer
BS Engineering Electrical Specialty, BS Engineering Electrical Specialty at Colorado School of Mines
Stackoverflow
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0reached
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Github Skills (13)
circleci6
golang4
atlassian4
jira-integration4
jira3
agent2
confluence2
monitoring1
typescript1
javascript1
metadata1
sdk1
integrations1
Programming languages (2)
Github contributions (5)
jmull3n/jmull3n
Oct 2020 - May 2021
Contributions:3 pushes, 1 branch in 6 months
jmull3n/ios-apps
Mar 2013 - Mar 2013
Contributions:3 commits in 3 days
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