Michał Kaliszewski
Software Engineer at Tusky
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolMichał Kaliszewski is a seasoned software engineer based in Warsaw with nine years of experience building scalable eCommerce and enterprise systems, currently coding at Tusky. He brings full-stack expertise from Bosch where he progressed from junior developer to technical lead, managing a 12-person Nexus team and contributing to both backend (Java, Spring, SAP Commerce Cloud) and frontend (web components, StencilJs, Angular) work. He balances hands-on development with architectural decisions—HA, scalability and cost estimation—while still shipping code and code reviews. An active open-source and tooling advocate, he publishes npm utilities, web components, and technical writing on Medium, and maintains a visible coding profile on GitHub and HackerRank. His background in aerospace and computer science gives him a systems-oriented mindset and a knack for turning complex, distributed requirements into pragmatic implementations.
9 years of coding experience
9 years of employment as a software developer
Warsaw University of Technology
Polish, English, French, German
Stackoverflow
91reputation
10kreached
0answers
3questions
Github Skills (98)
decorator10
lazy-loading10
js-functions10
viewport10
ionic9
core-js9
scalable8
stencil-components8
multiplex8
walrus8
react8
discord8
typescript8
storage8
immutable-collections7
Programming languages (4)
Github contributions (5)
Akord-com/akord-web-e2e
Dec 2023 - May 2024
E2e test set for v2.akord.com
Contributions:5 reviews, 23 PRs, 58 pushes in 4 months
jarrvis/st-lazy
Feb 2019 - Feb 2022
Web components for lazy loading - you can use them everywhere, without any dependency. Contains also @Lazy decorator for Stenciljs to call annotated method when component is scrolled to viewport. Web components are based on @Lazy
Contributions:1 release, 31 commits, 3 PRs in 3 years
web-componentsmethodviewportwebcomponentsdecorator
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