Marcin聽Kowalczyk
Compliance Manager at MakoLab
Lodz Metropolitan Area Poland
Summary
馃ぉ
RockstarMarcin Kowalczyk is a Compliance Manager based in the 艁贸d藕 metropolitan area with 11 years of professional experience bridging technical engineering and regulatory practice. He brings hands-on C++ backend development experience from contributions to high-profile open-source projects like Abseil and TensorStore, where he improved string formatting, CRC handling, and modernized serialization code. At MakoLab he combines compliance oversight with a deep appreciation for code quality and modern C++ patterns, enabling pragmatic, auditable solutions for engineering teams. His background suggests an unusual blend of regulatory responsibility and low-level systems work, making him effective at translating technical risks into compliant processes. Colleagues can rely on him to champion maintainability and modernization while keeping projects aligned with governance requirements.
11 years of coding experience
Github Skills (19)
c-language10
strings10
text-manipulation10
data-serialization10
abseil10
serialization10
cprogramming-language10
testing9
protobuffer9
protobuf9
fileio9
file-access9
file-handling9
file-processing9
code-optimization8
Programming languages (9)
Github contributions (5)
google/tensorstore
Jun 2022 - Dec 2022
Library for reading and writing large multi-dimensional arrays.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 3 comments in 5 months
Contributions summary:Marcin primarily contributed to internal changes and refactoring efforts within the tensorstore library. Their work involved updating dependencies, specifically related to the riegeli library, which is used for serialization and compression. Furthermore, the user modified code related to protobuf serialization and integration with riegeli, enhancing the library's capabilities for data handling and file I/O operations. These changes also include adapting the code to use more modern C++ features such as `std::string_view`.
multi-dimensionalarraydimensionalarrays
abseil/abseil-cpp
Oct 2022 - Dec 2022
Abseil Common Libraries (C++)
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 commits in 1 month
Contributions summary:Marcin primarily focused on improving the `abseil-cpp` library's string manipulation capabilities. Their work included enabling the use of custom sinks with `absl::Format()` and ensuring compatibility. They also addressed a bug in `Cord` related to CRC node handling. Furthermore, the user modernized the code by aliasing `absl::{partial,weak,strong}_ordering` with the standard library equivalents.
cpp
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