Marcin Radoszewski
Principal Software Engineer at Allegro
Poland
Summary
🤩
Rockstar🎓
Top SchoolMarcin Radoszewski is a Principal Software Engineer and engineering leader based in Poland with 12 years of hands-on experience building and scaling systems at Allegro. He progressed through roles from Software Engineer to Technical Team Lead, Engineering Manager and now Principal, demonstrating strong domain knowledge and growing responsibility within a single large product organization. Marcin blends deep technical expertise with people leadership, focusing on delivery, architecture and mentoring cross-functional teams. His career shows a steady trajectory of internal promotions, reflecting reliable execution and influence on engineering culture. Early experience as a Java web developer and long tenure at Allegro suggest both solid backend foundations and institutional product knowledge. He is likely skilled at turning legacy complexity into maintainable, scalable solutions while coaching teams through architectural change.
12 years of coding experience
11 years of employment as a software developer
Nicolaus Copernicus University
Stackoverflow
21reputation
556reached
2answers
0questions
Github Skills (200)
allegro10
graalvm10
http10
hyper10
ktor10
spatial10
middleware10
sdk10
rust10
router10
polyglot10
java10
aot10
autohotkey10
indexing10
Programming languages (21)
Github contributions (5)
marad/eljure
Apr 2016 - Mar 2017
Contributions:47 commits, 3 PRs, 86 pushes in 11 months
clojureerlangerlang-vm
marad/scala-swt-builder
Jul 2013 - May 2015
Contributions:12 commits, 5 pushes in 1 year 9 months
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