Ioannis Theodosiou
Senior Software Engineer at Zanders
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolIoannis Theodosiou is a Senior Software Engineer based in Amsterdam with 10 years of experience building front-end focused, full-stack web and mobile applications. He has led small engineering teams and reshaped codebases at companies like adidas and Zanders while mentoring junior developers and improving agile practices. His hands-on toolkit centers on React, React Native, Styled Components/Storybook and Node.js, and he has a track record creating component libraries and CI/CD pipelines that accelerate delivery. Ioannis thrives on challenging, time-sensitive problems that require learning new techniques, and he often translates stakeholder needs into functional prototypes for clients across industries. Notably, his career blends product-driven client work (takeaway.com, NS, NOCNSF) with internal developer tooling and reusable component work that boosts team velocity. He holds a Bachelor’s in Information Technology from the University of Piraeus and brings a pragmatic, curious approach to engineering trade-offs.
9 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Information Technology, Bachelor’s Degree, Information Technology at University of Piraeus
English, Greek
Github Skills (71)
npm9
react9
package9
android9
monorepo8
toast8
stacked8
javascript8
animated8
toasts8
lerna8
ios8
bootstrap8
react-native8
eslint8
Programming languages (8)
Github contributions (5)
JohnTheo13/Coffee-Beans
Jan 2019 - Feb 2022
Contributions:10 PRs, 7 pushes, 10 branches in 3 years 1 month
JohnTheo13/parallel-design
Nov 2019 - Jan 2023
react-components
Contributions:2 PRs, 2 pushes, 1 branch in 3 years 2 months
reactjsreactreact-components
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