Dumitru Ceara
Senior Principal Software Engineer at Red Hat
Netherlands
Summary
🤩
Rockstar🎓
Top SchoolDumitru Ceara is a Senior Principal Software Engineer based in the Netherlands with over a decade of experience building high-performance networking and systems software. He combines deep computer science expertise—algorithms, optimization, concurrency, and kernel-level programming—with advanced C/C++ skills and practical knowledge of TCP/IP, PTP, IPv4 routing, stateful firewall/NAT and virtualization networking. At Red Hat and Juniper he delivered scalable networking features and reliability improvements, and as an active contributor to major open-source projects like Open vSwitch and OVN/ovn-kubernetes he implemented multicast/IGMP support, timestamping and load-balancer enhancements. His background includes embedded routing systems, protocol implementations (OSPF, IEEE1588v2), and automated testing at scale, reflecting strong end-to-end systems thinking. Not obvious from the title: he has research roots in static taint analysis and has taught intensive C courses, underscoring both formal rigor and the ability to mentor engineers.
10 years of coding experience
16 years of employment as a software developer
MSc, Distributed Embedded Systems, MSc, Distributed Embedded Systems at National School of Computer Science and Applied Mathematics of GrenobleBachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at Ecole Nationale Supérieure d'Informatique et de Mathématiques Appliquées de GrenoblePOLITEHNICA București National University for Science and Technology
English, French
Stackoverflow
1reputation
0reached
2answers
0questions
Github Skills (29)
kubernetes10
sdn10
kubernetes-networking10
load-balancing10
multicasting10
c1110
networking10
c1710
go10
kubernetes-pods10
multicast10
openflow10
openvswitch10
test-automation10
plugin9
Programming languages (7)
Github contributions (5)
ovn-org/ovn
Feb 2020 - Jan 2023
Open Virtual Network
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:32 reviews, 372 commits, 20 PRs in 2 years 11 months
Contributions summary:Dumitru primarily focused on enhancing the OVN (Open Virtual Network) project by implementing new features, fixing bugs, and improving overall system performance. Their contributions involved the implementation of features related to timestamping, multicast relay and load balancer configurations. Moreover, the user was also involved in improving the tests and quality assurance. This involved creating and adjusting the test suites to align with the modifications in the OVN project.
p2pvirtual-networkblockchain
ovn-kubernetes/ovn-kubernetes
Oct 2019 - Jul 2022
A robust Kubernetes networking platform
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:337 reviews, 22 commits, 47 PRs in 2 years 9 months
Contributions summary:Dumitru primarily focused on enhancing the OVN-Kubernetes networking platform by adding multicast support, including enabling IGMP/MLD snooping and relaying, and defining related network policies. They made extensive code changes in `policy.go` to implement these features, and also modified `master.go` and `master_test.go` to improve IGMP querier configuration. Additionally, the user addressed scalability issues and improved testing. These contributions demonstrate expertise in network policy implementation and the OVN architecture.
k8skubernetesovncnicni-plugin
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