Robert Kosinski
Principal Software Maintenance Engineer at Red Hat
Kuyavian-Pomeranian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolRobert Kosinski is a Principal Software Maintenance Engineer with nine years of focused experience in cloud product maintenance and multi-vendor network operations, currently supporting Nokia-native cloud solutions at Red Hat. He combines deep hands-on troubleshooting of OpenStack, Linux/Unix systems and telecom messaging platforms with leadership in L2/L3 support, SLA-driven incident restoration, and knowledge-base development. His background includes leading cloud technical teams, mentoring engineers, and reproducing complex defects in lab environments to drive product fixes and smoother field operations. Comfortable on-call for 24x7 critical services, he has a track record of bridging customers and development teams to resolve outages and improve serviceability. A trained electronics and telecommunications MSc with project management studies, he brings both systems-level technical depth and process-oriented delivery to large-scale carrier deployments.
10 years of coding experience
16 years of employment as a software developer
Electronics and Computer science., Electronics and Computer science. at Bath Spa UniversityProject Management, Project Management at University of Economics in PoznanMaster of Science (MSc), Electronics and telecommunication., 5, Master of Science (MSc), Electronics and telecommunication., 5 at Poznan University of Technology
English, Polish, German
Github Skills (115)
quarkus-extension10
testing10
test-plan10
cloud-native10
reactive10
linux10
service-discovery10
vault10
kubernetes10
java10
openshift10
quarkus10
docker10
api-gateway10
graphql-java10
Programming languages (12)
Github contributions (5)
fedinskiy/quarkus
Jun 2021 - Dec 2025
Quarkus: Supersonic Subatomic Java.
Contributions:19 pushes, 13 branches in 4 years 6 months
javaquarkus
fedinskiy/reproducer
Feb 2021 - Jun 2026
Contributions:18 pushes, 59 branches in 5 years 5 months
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