Viliam Ďurina
Core Engineer at Vectroid
Slovakia
Summary
🤩
Rockstar🎓
Top SchoolViliam Ďurina is a seasoned core engineer with 11 years of experience building high-performance distributed systems and search infrastructure, currently enabling serverless vector databases and object-storage-backed Lucene indexes at Vectroid. He has led teams and SQL engine development at Hazelcast and architected enterprise solutions at PwC Slovakia, blending hands-on Java core development with system design and operational support. His work spans in-memory streaming (Hazelcast Jet), distributed primitives, and practical open-source code samples for projects like Hazelcast, demonstrating a focus on simplicity, reliability, and speed. Comfortable tackling threading, performance and storage challenges, he pairs deep low-level expertise with a pragmatic eye for production-ready solutions. Based in Slovakia, he brings both leadership and sustained contributor instincts to complex backend problems.
11 years of coding experience
20 years of employment as a software developer
Master's degree, Information Technologies, Master's degree, Information Technologies at Ekonomická univerzita v Bratislave
Slovenian, English, German
Github Skills (6)
hazelcast10
javas10
distributed-systems10
java10
springframework9
documentation7
Programming languages (8)
Github contributions (5)
hazelcast/hazelcast-code-samples
Dec 2017 - Feb 2020
Hazelcast Code Samples
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 6 PRs, 3 pushes in 2 years 2 months
Contributions summary:Viliam primarily contributed to the development of Hazelcast code samples. Their work included adding and modifying samples related to data structures like reliable ID generators and flake ID generators within the distributed-primitives package. Additionally, they updated existing samples and configurations to reflect the renaming of components. The user also made modifications to supporting files and documentation, demonstrating a focus on providing usable code examples.
javahazelcastin-memoryscalability
viliam-durina/hazelcast-client-protocol
Nov 2017 - Mar 2023
Contributions:9 pushes, 21 branches in 5 years 4 months
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