Patrick Grenning is a founder and senior software engineer with a decade of experience delivering fintech and payments solutions. He currently serves as founder of OptionCharts and OptionCharts.io, blending product leadership with hands-on development. Previously at Fiserv, he implemented payment methods and features for CommerceHub using Java/Spring on a global omnichannel payments platform. His technical toolkit spans Java, Ruby, Rails, Python, SQL, and JavaScript, with a strong focus on full-stack fintech systems. He holds a B.S. in Economics from Purdue and completed Dev Bootcamp in 2014, underscoring an intentional shift from economics to software engineering, and is based in Chicago.
11 years of coding experience
13 years of employment as a software developer
Dev Bootcamp
Bachelors of Science, Economics, Bachelors of Science, Economics at Purdue University
Contributions:4 PRs, 16 pushes, 4 branches in 7 months
ruby-on-railsrailsto-do-list-appto-doruby
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