Marcus Plienegger
Staff Software Engineer at TheGuarantors
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolMarcus Plienegger is a Staff Software Engineer based in Old Toronto with 11 years of experience building front-end and back-end systems across FinTech and enterprise domains. He has progressed from CRM and legacy-code maintenance to leading technical teams and driving architecture at TheGuarantors, combining hands-on development with team leadership. Proficient in React, TypeScript, serverless AWS, and web application migrations, he focuses on reusable components, testable code, and pragmatic modernization of legacy systems. Marcus bridges legacy and modern paradigms—equally comfortable refactoring long-lived systems and shipping new, component-driven platforms. He contributes across the full stack (including some Android) and brings a practical, open-source-minded approach to solving product and infrastructure challenges.
11 years of coding experience
9 years of employment as a software developer
Computer and Information Sciences General, Computer and Information Sciences General at Seneca @ York - Programming Specialization
Github Skills (32)
otto8
redux7
android-application7
routes6
retrofit6
react6
api6
dagger6
flickr6
mvc-architecture6
immer5
controller5
kotlin5
react-hooks5
architecture4
Programming languages (3)
Github contributions (5)
futureproofd/ClassTab
Jun 2016 - Apr 2017
Contributions:28 commits, 26 pushes, 1 branch in 10 months
futureproofd/nextjs-playground
Apr 2021 - Apr 2023
Perusing nextjs documentation and tutorials to implement different features
Contributions:13 PRs, 26 pushes, 10 branches in 2 years
reactuser-guidebabel-pluginnextjsplayground
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