Matthew Janssen
Senior Software Engineer at Garmin
Independence, Missouri, United States
Summary
👤
Senior🎓
Top SchoolMatthew Janssen is a senior software engineer with 10+ years of experience building Java-based, enterprise-grade systems and leading teams through complex integrations. He has driven technical improvements at scale—reducing patient data load times by over 50%, eliminating thousands of static-analysis violations, and shaving release times from hours to minutes with a custom Maven plugin. At Oracle he led a 6-person squad to design EHR interoperability components integrating TEQ/Kafka and multiple EHRs, and he now applies that deep systems and API design experience at Garmin. Known for mentoring and improving developer toolchains, Matthew combines rigorous attention to design patterns and developer productivity with a practical focus on measurable outcomes. Based in Independence, Missouri, he pairs hands-on implementation skills with a proven track record of coordinating cross-functional stakeholders to deliver mission-critical healthcare software.
10 years of coding experience
12 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Kansas State University
Github Skills (74)
command-line-tool10
static-analysis10
java10
conventions10
static-code-analysis10
sun10
ant-task9
ant9
code-analysis9
maven9
responsive9
jekyll-theme9
jekyll9
player9
checker9
Programming languages (9)
Github contributions (5)
mttjj/mttjj.github.io
Dec 2021 - Dec 2022
Contributions:344 commits, 417 pushes, 1 branch in 1 year 1 month
matthewjj/matthewjj.github.io
Dec 2015 - Dec 2015
Contributions:15 pushes, 1 branch in 1 day
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