Mateusz Jędrzejewski
Web Developer at Pegasus Group
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolMateusz Jędrzejewski is a web developer with seven years of hands-on experience building and maintaining web platforms, currently based in Warsaw and working at Pegasus Group. He has a background in PHP/CakePHP from his time developing training platforms at DDS and has expanded into backend and DevOps work, contributing observability and monitoring features to the well-known Nethermind Ethereum client. Comfortable across web stacks and operational tooling, he focuses on improving maintainability and system insight through metrics, monitoring services, and dependency integration. Trained in computer and information sciences, he blends pragmatic engineering with an operator’s mindset, often surfacing implementation details that make production systems easier to run and debug.
7 years of coding experience
1 year of employment as a software developer
Inżynier (Inż.), COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES, Inżynier (Inż.), COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES at Państwowa Wyższa Szkoła Zawodowa w Płocku
Github Skills (15)
monitoring10
go10
ethereum10
blockchain10
devops9
prometheus9
docker8
dotnet8
net8
asp-net8
dotnet-core8
dockers8
csharp8
kubernetes-pods7
kubernetes7
Programming languages (18)
Github contributions (5)
NethermindEth/nethermind
Jun 2019 - Aug 2022
A robust execution client for Ethereum node operators.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:221 releases, 56 reviews, 482 commits in 3 years 3 months
Contributions summary:Mateusz's contributions primarily revolved around enhancing the Nethermind execution client, specifically by adding monitoring services and configuring metrics. Their work included the implementation of a monitoring service, including metrics configurations, and adjustments to displayed enode instance names. They also worked on the integration of dependencies. These changes suggest the user was focused on improving the client's observability and maintainability by integrating tools that provide insights into system performance.
dotnetlinux-windowswindowsethereumblockchain
NethermindEth/metrics-infrastructure
Jun 2020 - Sep 2021
Metrics Infrastracture sample then can be used to monitor your running Nethermind nodes
Contributions:7 commits, 5 pushes, 1 branch in 1 year 2 months
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