Adam Penczek
Senior .NET Fullstack Developer at Citi
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolAdam Penczek is a Senior .NET Fullstack Developer based in Warsaw with nine years of hands-on experience building enterprise-grade backend and frontend systems. At Citi he blends modern .NET (including .NET 6, .NET Core) microservices, DDD, CQRS and Mediatr with React/TypeScript front-ends, CI/CD and test-driven practices to deliver resilient, scalable applications. His toolbox spans SQL Server, Dapper, Hangfire and automated testing (xUnit, Moq), reflecting a pragmatic focus on performance and maintainability in financial environments. Earlier roles involved full lifecycle .NET work from WPF and ASP.NET MVC to Web API and EF, giving him breadth across desktop, web and backend integration. He holds an engineering degree in Electronics and Telecommunications from Politechnika Gdańska, and is known for applying low-level systems thinking to higher-level distributed design decisions.
9 years of coding experience
2 years of employment as a software developer
Magister inżynier (Mgr inż.), Electronics and Telecommunications, Magister inżynier (Mgr inż.), Electronics and Telecommunications at Politechnika Gdańska
English, German
Github Skills (23)
marine6
ais5
receiver5
relational5
asp-net4
angular4
sql3
database3
sql-database3
visualization3
asp-net-core3
non-relational-database1
typescript1
mongodb-database1
nestjs1
Programming languages (1)
Github contributions (5)
fatalnyy/WlanAnalyzer
Sep 2018 - Mar 2019
Contributions:33 commits, 26 pushes, 1 branch in 5 months
fatalnyy/FCBarcelonaStore
Mar 2019 - Mar 2019
Contributions:11 pushes, 1 branch in 4 days
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