John Buffington is a Principal Member of Technical Staff at Oracle, a position held since 2005. At Cerner Corporation from 2015 to 2025, John managed product development and customer support while mentoring junior developers and establishing best practices for unit testing. Prior to that, John worked as a Software Engineer at Siemens Medical Solutions from 2008 to 2015. They earned a Bachelor of Science in Computer Science from Drexel University in 2008.
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