Adrian Wielgosik
Junior Specialist Of Information Systems Support
Łódź Voivodeship, Poland
Summary
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RockstarAdrian Wielgosik is an experienced software engineer with 12 years in the field and a current role supporting information systems at Atos Polska in Łódź, Poland. He brings strong backend expertise demonstrated by meaningful contributions to high-profile open-source projects—Ruffle (a Rust Flash emulator), RustPython, OpenRCT2, and PPSSPP—where he tackled interpreter features, emulator performance, game logic refactors, and bug fixes. Comfortable working in Rust, C++, and Python, he focuses on core logic, memory and performance optimizations, and improving code quality and tests. Colleagues would describe him as a pragmatic problem-solver who prefers deep, behind-the-scenes engineering that makes complex systems more reliable and maintainable.
12 years of coding experience
Github Skills (40)
debug10
c-language10
python10
testing10
c1110
interpreter10
device-emulation10
c1710
openrc10
functional-programming10
rust10
cpp10
game-development10
cprogramming-language10
emulation10
Programming languages (18)
Github contributions (5)
ruffle-rs/ruffle
Jul 2020 - Jan 2023
A Flash Player emulator written in Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1278 reviews, 204 commits, 583 PRs in 2 years 7 months
Contributions summary:Adrian primarily contributed to the Ruffle project by implementing various features related to the ActionScript Virtual Machine (AVM1) and its interaction with the core functionalities of the emulator. Their work included adding support for features like fast path for ASCII case conversions, integrating FNV hashing in PropertyMap, and reverting changes to optimize WebAssembly performance. They also addressed memory management and other related bugs, and added a test for a specific edge case related to serialization.
playeremulatorrustflashreimplementation
EntilZha/PyFunctional
Mar 2015 - Nov 2015
Python library for creating data pipelines with chain functional programming
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 commits, 10 PRs, 46 comments in 8 months
Contributions summary:Adrian primarily contributed to the `pyfunctional` library by implementing new functionalities and fixing existing issues. They added features such as `flatten`, `take_while`, `drop_while`, `head_option`, `min_by`, and `max_by`, expanding the library's functional programming capabilities. The user also refactored existing code, addressed tests using reduce in Py3, and enhanced the code by including better documentation and reordering the tests for clarity. Additionally, the user has reordered and added tests to enhance the testing coverage and overall quality of the library.
python-librarypythondatapipelinefunctional-programming
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