Przemysław Kadej
Senior Integration Engineer
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolPrzemysław Kadej is a Senior Integration Engineer based in Warsaw with over 15 years of software development experience in banking and a 9-year track record of hands-on engineering roles. He blends deep Java expertise with a broader polyglot background and a reputation for rapid learning and quick adoption of new technologies. Przemysław has held senior and technical lead roles across major banks and consulting engagements, and contributed to Percona's open-source PMM project—improving error logging, MySQL defaults parsing, and performance profiling for enhanced observability. His work often sits at the intersection of integration, monitoring and performance, making complex systems more reliable and measurable. Known for pragmatic problem-solving, he brings both enterprise-grade rigor and an engineer’s curiosity to every codebase.
9 years of coding experience
6 years of employment as a software developer
Master, Master at Akademia Podlaska w Siedlcach
English, Polish
Github Skills (13)
monitoring10
database-management10
observability10
go10
mysql10
database9
pprof9
admin9
database-administration9
databases9
api8
apim8
api-design8
Programming languages (8)
Github contributions (5)
percona/pmm
May 2022 - Jan 2023
Percona Monitoring and Management: an open source database monitoring, observability and management tool
Role in this project:
Backend Developer
Backend DeveloperContributions:90 reviews, 74 commits, 27 PRs in 8 months
Contributions summary:Przemysław's primary contributions involve improving error logging, adding features for defaults file parsing in MySQL, and implementing performance profiling tools within the Percona Monitoring and Management (PMM) tool. These changes impact the functionality of the PMM agent and the overall management capabilities of the system. The user also addressed issues related to concurrent pprof requests and incorporated telemetry data for Grafana, enhancing the system's monitoring capabilities.
perconadatabase-monitoringobservabilitypmmdatabase
pkadej/pmm-managed
Apr 2022 - Jun 2022
pmm-managed manages configuration of PMM server components and exposes API for that.
Contributions:23 pushes, 1 branch in 1 month
pmmapipmm-serverserver-components
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