Yosyf Kroshnyi
Full Stack Developer at Lemon.io 🇺🇦
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolYosyf Kroshnyi is a seasoned Full Stack Developer with 12 years of professional experience and nine years focused on modern JavaScript stacks (Angular/React, Node.js) and cloud platforms (AWS, Google Cloud). He currently builds end-to-end hiring automation systems at Lemon.io, splitting time between backend and frontend work and owning complex integrations across stakeholders. His background spans high-load portals, B2B/B2C platforms and hundreds of serverless lambdas, reflecting a strong aptitude for backend architecture, performance optimization and memory-leak hunting. Comfortable across the full stack, Yosyf also brings hands-on experience with Angular-driven UIs, SVG visualizations and real-time features, and has taught JavaScript topics to professionals. Based in Kyiv, he pairs pragmatic engineering with product-minded design and a knack for turning messy legacy apps into maintainable, test-covered systems.
12 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Psychology, Bachelor's degree, Psychology at Aix-Marseille University
Українська, English, French, German, Кацапська
Github Skills (49)
angular8
react8
vue8
ionic8
javascript8
nodejs8
ios7
css7
typescript7
android7
sql7
frontend7
database6
material-design6
orm6
Programming languages (3)
Github contributions (5)
eriendel/git-exercises
Dec 2019 - Dec 2019
Contributions:13 pushes, 7 branches, 5 tags in 2 days
eriendel/ionic-v3
Dec 2018 - Dec 2018
The repo for Ionic 3.x. For the latest version of Ionic, please see https://github.com/ionic-team/ionic
Contributions:2 PRs, 2 pushes, 2 branches in 7 days
ionic-frameworkionicangularionic2ionic-3
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