Michał Szczepańczyk
Software Engineer DevOps Engineer at Software Mansion
Krakow, Lesser Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolMichał Szczepańczyk is a software and DevOps engineer with five years of experience designing infrastructure, backend systems, and developer workflows while maintaining a holistic, architecture-first perspective. Based in Krakow and studying Computer Science at AGH UST, he blends cloud-native DevOps (GCP/AWS, Kubernetes, Jenkins) with hands-on backend and frontend work, having built CI/CD for hundreds of apps and delivered Python and full-stack POCs. At Software Mansion he contributes to widely used open-source React Native libraries, improving web gesture handling and animation primitives—work that highlights his ability to bridge native, web, and UX concerns. He favors pragmatic tool choice and Domain-Driven Design to turn complex domains into maintainable systems. Comfortable across C++, Python, and JS stacks, he also brings an uncommon mix of production-grade infrastructure experience and UI-level contributions. Outside engineering he’s a ballroom dancer, a detail that surfaces in his disciplined, iterative approach to problem solving.
4 years of coding experience
2 years of employment as a software developer
AGH University
English, Polish
Github Skills (17)
javascript10
react-native10
animation10
webpages10
ui-design10
web-content10
uid10
gesture-recognition10
front-end-development10
web-development10
touch-event10
react10
ui-components9
typescripts8
typescript-types8
Programming languages (6)
Github contributions (5)
software-mansion/react-native-gesture-handler
Aug 2022 - Oct 2022
Declarative API exposing platform native touch and gesture system to React Native.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:8 releases, 785 reviews, 25 commits in 2 months
Contributions summary:Michał focused on migrating the project to use pointer events instead of hammer.js for web, improving the handling of touch events, and adding support for stylus inputs. The user implemented changes to the gesture handler's state management, fixed issues related to nested touchables and implemented new features such as mouse button controls. These changes enhance the functionality and user interaction capabilities of the react-native-gesture-handler library on the web platform.
apireactreact-nativejavascriptdeclarative
software-mansion/react-native-reanimated
Jul 2023 - Mar 2025
React Native's Animated library reimplemented
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 release, 137 reviews, 112 PRs in 1 year 7 months
Contributions summary:Michał primarily contributed to the React Native Reanimated library, focusing on implementing and fixing UI components and animations. Their work involved addressing bugs related to web-based layout animations, improving component rendering, and implementing new features such as custom keyframe animations and the `withInitialValues` modifier. The contributions demonstrate a strong understanding of React Native's animation capabilities, and involved modifying core library files and examples.
reactanimationanimatedreact-nativejavascript
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