Karol Stawowski
React Developer For ING at Sii Poland
Lodz Metropolitan Area Poland
Summary
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Rockstar🎓
Top SchoolKarol Stawowski is a fullstack developer with a decade of hands-on experience, currently working as a React Developer for ING and previously building Node.js migration engines and MarTech services at Sii Poland. He specializes in TypeScript, Node, React and Vue, and has led data migration efforts for CMS platforms—designing engines, integrations and React plugins while ensuring minimal disruption to live systems. Karol has experience across the stack from automation scripts to REST APIs and Nest.js, and prefers short development cycles with clear documentation and performance tuning. Ambitious to pivot deeper into backend engineering, he’s actively pursuing cloud skills with plans for AWS certification, bringing practical production experience and a focus on reliable, maintainable migrations that often go unnoticed but are critical to platform evolution.
10 years of coding experience
4 years of employment as a software developer
Licencjat (Lic.), Informatyka, Licencjat (Lic.), Informatyka at Uniwersytet Łódzki
Polish, English, Russian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (28)
firmware10
nfc10
hardware10
iot10
open-hardware10
esp3210
m5stack10
ui-components9
javascript9
vuetify9
semantic9
vue9
vuejs38
material-design8
vue-component8
Programming languages (5)
Github contributions (5)
Tawank/Bruce
Jan 2025 - Feb 2026
ESP32 Firmware
Contributions:1 review, 3 PRs, 127 pushes in 1 year 1 month
BruceDevices/bruce-js-tooling
Feb 2025 - Jan 2026
The Bruce JavaScript tooling provides tools and type definitions to help you build applications for the Bruce platform.
Contributions:1 PR, 25 pushes, 2 branches in 11 months
javascript
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