Jacek Pliszka
Senior Software Engineer at Prokom Software SA/Asseco Poland SA
West Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolJacek Pliszka is a Senior Software Engineer with over 11 years of hands-on experience building and maintaining enterprise-grade systems at Prokom Software/Asseco Poland. He brings deep expertise in C#, Java, C/C++, SQL and a wide .NET ecosystem (WCF, ASP.NET MVC, ADO.NET, Entity Framework, LINQ) alongside low-level Windows services, Win32 and networking APIs. Comfortable across Windows and UNIX environments, he has worked with major databases (MS SQL, Oracle, Informix, MySQL) and deployment tools (IIS, InstallShield, SVN/Git). Jacek contributes to notable open-source work in Apache Arrow, enhancing Parquet tooling and implementing decimal cast kernels—showing a capacity to move between enterprise projects and performance-sensitive data platform code. He combines a pragmatic, tooling-focused mindset with a long track record of shipping robust backend features and diagnostics that aid debugging and metadata inspection. Based in West Pomerania, Poland, he pairs broad legacy-system fluency with modern open-source contributions that improve data interoperability.
11 years of coding experience
Uniwersytet Szczecinski
English
Stackoverflow
21reputation
0reached
1answer
0questions
Github Skills (9)
apache-arrow10
parquet10
c-language10
cprogramming-language10
python9
testing8
documentation7
pandas6
dataframe6
Programming languages (6)
Github contributions (5)
apache/arrow
Aug 2018 - Oct 2022
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 4 PRs, 29 comments in 4 years 2 months
Contributions summary:Jacek primarily contributed to the Apache Arrow project by implementing and extending Parquet-related functionality. They added features to the `parquet_reader` tool, enabling metadata inspection and enhancing debugging capabilities. Furthermore, the user implemented casting operations for decimal types within the Arrow compute kernels, specifically adding casts between Decimal128 and Int64. Finally, the user made documentation changes, including additions to documentation for `TableGroupBy.aggregation` and its functionality.
memorymulti-languagetoolboxacceleratedarrow
rdunklau/Gedit-checkpython
Aug 2014 - Mar 2016
A pep8 and pyflakes checker for Gedit
Contributions:12 commits, 2 PRs, 12 pushes in 1 year 7 months
pythonprawcheckerpyflakespep8
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