Jacek Wieczorek
Principal Engineer at CSHARK
Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolJacek Wieczorek is a Principal Engineer with 14 years of experience designing and delivering scalable SaaS platforms, currently architecting core features at Fenergo from Poland. He brings deep .NET expertise augmented by Python and Node.js, and focuses on high-performance systems such as workflow and rules engines and advanced authorization. At Fenergo he combines hands-on development with cross-team technical leadership, driving R&D and recently leading efforts to embed AI-powered capabilities into the product. With a steady progression from developer to principal and a master's in Computer Engineering, he pairs practical implementation skills with a keen eye for future-proof architecture. An often-overlooked strength is his pre-sales and technical leader background, which sharpens his ability to translate customer needs into robust, production-ready solutions.
15 years of coding experience
9 years of employment as a software developer
Master's degree, Computer Engineering, Master's degree, Computer Engineering at Wrocław University of Science and Technology
Polish, English, German
Github Skills (25)
lambda6
dotnet6
pulumi6
csharp5
aws5
plugin5
python5
javascript5
infrastructure4
debugging4
neovim4
typescript4
golang4
go4
vim4
Programming languages (3)
Github contributions (5)
jacbar/LogViewer
Jul 2011 - Sep 2011
Contributions:12 commits in 1 month
jacbar/skills
Jun 2026 - Jun 2026
Contributions:1 push in 1 day
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