MarkoĀ Kosir
Senior Full Stack Developer at Sticker Mule
Ljubljana, Slovenia
Summary
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Rockstarš
Top SchoolMarko Kosir is a Senior Full Stack Developer based in Ljubljana with over a decade of hands-on experience building scalable web platforms using TypeScript, React, Node and Docker. He has driven front-end and full-stack work at companies from startups to enterpriseāhelping HelloFresh, RiskOptics, Eurosender and Sticker Mule scale product and team delivery while owning shared component libraries and monorepo architectures. Known for pragmatic engineering, he pairs UI polish (open-source React Parallax Tilt contributor) with robust backend and CI/CD practices across Azure, AWS and GitHub Actions. A former team lead who routinely onboards engineers and refactors codebases, he blends developer ergonomics (Storybook, TypeScript) with production reliability and testing discipline. Trained in machine vision, he brings a systems-minded perspective that surfaces non-obvious UX and performance trade-offs early in design.
13 years of coding experience
11 years of employment as a software developer
Bachelor of Science - BS Machine vision, Bachelor of Science - BS Machine vision at University of Ljubljana, Faculty of Computer and Information Science
English, Slovenian
Github Skills (5)
typescript10
typescripts10
front-end-development10
react10
typescript-types10
Programming languages (6)
Github contributions (5)
mkosir/react-parallax-tilt
Aug 2019 - Jan 2023
š Easily apply tilt hover effect on React components - lightweight/zero dependencies 3kB
Role in this project:
Front-end Developer
Front-end DeveloperContributions:109 releases, 10 reviews, 1882 commits in 3 years 6 months
Contributions summary:Marko primarily contributed to the development of front-end components using React and TypeScript. Their work involved updating existing stories and implementing new components within the React Parallax Tilt library, including features like the flip page effect. The user also refactored and reorganized parts of the project, enhancing the code structure, adding styling, and fixing loading issues.
parallaxreact-libraryreactdependencieshover-effect
mkosir/react-magnetic-board
Sep 2019 - Feb 2020
Contributions:8 releases, 40 commits, 50 pushes in 5 months
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