Krzysztof Kowalski
Senior Data Engineer Product Owner
Łódź Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKrzysztof Kowalski is a Senior Data Engineer and Product Owner with over a decade of experience designing and optimizing enterprise ETL and data integration platforms, currently driving data product delivery at Biogen. He blends deep technical expertise in Informatica, Snowflake, MSSQL, Python and SSIS with hands-on architecture and performance tuning to turn complex pipelines into reliable, scalable solutions. Known for aligning technical roadmaps with business priorities, he has a track record of mentoring offshore teams and consistently delivering high-impact projects on tight timelines. An active open-source contributor, he has improved stability and parsing logic in popular .NET Discord libraries, demonstrating attention to edge cases and production reliability beyond his core ETL focus. Trained in computer science and econometrics, he brings a pragmatic, data-driven approach to product decisions and platform evolution.
8 years of coding experience
5 years of employment as a software developer
Master of Science Computer Science and Econometrics, Master of Science Computer Science and Econometrics at University of Lodz
English, Polish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
debug10
develop10
discord10
net10
dotnet10
asp-net10
api10
discord-bot10
dotnet-core10
dsharp10
csharp10
discord-net10
apidoc9
client-websocket8
websocket-client8
Programming languages (2)
Github contributions (5)
DSharpPlus/DSharpPlus
Mar 2018 - Mar 2020
A .NET library for making bots using the Discord API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 9 PRs, 14 comments in 2 years
Contributions summary:Krzysztof primarily contributed to bug fixes and improvements within the DSharpPlus library. Their work focused on correcting logic errors, such as invalid if statements and issues with default help checks. They also addressed specific issues related to Discord embed handling, allowing for empty embeds and fixing field behaviors. Additionally, the user made changes related to internal inconsistencies and improved the logger, alongside fixing DiscordMember hierarchy issues.
discordbotdiscord-botdiscordsharpdotnetfx
discord-net/Discord.Net
Mar 2018 - Sep 2022
An unofficial .Net wrapper for the Discord API (https://discord.com/)
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 6 commits, 5 PRs in 4 years 6 months
Contributions summary:Krzysztof primarily contributed to bug fixes and improvements within the Discord.Net library. Their work involved preventing null reference exceptions, addressing remainder parameter parsing issues in command parsing, and implementing the `resume_gateway_url` functionality. Additionally, they modified channel permissions and fixed an oversight related to session data clearing. The user's contributions focus on improving the core functionality and stability of the library's interaction with the Discord API.
wrapperapidiscord-netdiscordbot
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