Grzegorz Karczewski
Junior Android Developer at Self
North Holland, Netherlands
Summary
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SeniorGrzegorz Karczewski is a junior Android developer and Unreal Engine 5 enthusiast based in North Holland with eight years of hands-on software experience across game and application development. He focuses on Unreal Engine C++ for gameplay, multiplayer mechanics, AI, and UI, while also building Android apps in Kotlin with Jetpack Compose and small desktop tools in C# WPF and Linux. Currently developing a multiplayer shooter, he blends level design, asset integration, and performance optimization to deliver engaging, networked experiences. Comfortable across platforms, he pairs creative game design instincts with a practical engineering approach to debugging and systems-level problems. Open to work and self-driven, he brings a rare combination of engine-level C++ skills and modern mobile UI knowledge that accelerates cross-platform prototypes into polished demos.
8 years of coding experience
Polish, English, Spanish
Github Skills (35)
artificial-intelligence10
python10
mining10
verge10
openai10
ai10
blockchain-platform9
wallet9
magnetometer9
stratum9
accelerometer9
blockchain-network8
kucoin8
blockchain8
autonomous-agents8
Programming languages (5)
Github contributions (5)
GrzegorzKarczewski/VERGE
Jan 2018 - Feb 2021
official source code repository for VERGE cryptocurrency
Contributions:2 PRs, 6 pushes in 3 years 2 months
blockchaincode-repositorycryptocurrencybitcoinverge
GrzegorzKarczewski/GPlay
Nov 2022 - Dec 2022
Contributions:36 commits, 30 pushes, 4 comments in 13 days
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