Marcin Celej
Prezes at Engenious
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMarcin Celej is an experienced enterprise application architect and software leader with nine years of focused experience in .NET and Azure, and a career spanning back to early .NET framework development. He has founded and run consulting firms while serving as a hands-on architect driving microservices, DDD, CQRS, event-driven systems and modern DevOps practices like IaC, CI/CD and convention-driven testing. A natural coach and longtime presenter, he leads the Cracow .NET User Group and translates deep technical patterns into team-ready processes and documentation-as-code. His background includes building frameworks, public API verification and automation of release and quality metrics, evidencing a strong bias for measurable engineering discipline. Based in Krakow, he combines product-level thinking with pragmatic engineering—often introducing architecture artifacts such as ADRs, C4 models and walking skeletons to reduce delivery risk.
10 years of coding experience
28 years of employment as a software developer
MSc, Information Technology, MSc, Information Technology at Jagiellonian University
Polish, English
Stackoverflow
1reputation
0reached
0answers
0questions
Programming languages (3)
Github contributions (5)
synergy-software/synergy.framework
Nov 2016 - Oct 2022
Contributions:1 release, 205 commits, 20 PRs in 6 years
synergy-software/synergy.contracts
Aug 2016 - Aug 2018
Contributions:80 commits, 15 PRs, 101 pushes in 2 years
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