Attila Klenik
Information Communication Technology Specialist
Budapest, Hungary
Summary
👤
Senior🎓
Top SchoolAttila Klenik is an ICT specialist and research fellow based in Budapest with 11 years of experience at the intersection of empirical performance analysis and distributed ledger technologies. He holds a PhD from BME and focuses on model-based design, performability assessment, and privacy-aware data models for smart contracts, translating research into production-ready testing and monitoring tools. At BME he led rigorous, measurement-driven evaluations of DLTs such as Hyperledger Fabric and contributed reliability fixes and CI improvements to the prominent Hyperledger Caliper benchmarking framework. Now also serving at Hungary’s National Tax and Customs Administration, he brings academic rigor to government-scale systems engineering and performance assurance. Comfortable bridging theory and practice, he combines deep methodological expertise with hands-on QA and test automation to make blockchain systems measurable and robust. An understated strength is his knack for improving testing infrastructure—small fixes that materially increase reproducibility and reliability across complex DLT integrations.
10 years of coding experience
1 year of employment as a software developer
Doctor of Philosophy (PhD), Computer Software Engineering, Doctor of Philosophy (PhD), Computer Software Engineering at Budapest University of Technology and Economics
English, Hungarian, German
Stackoverflow
763reputation
31kreached
12answers
4questions
Github Skills (18)
testing10
blockchain10
dockers9
cicd9
hyperledger-besu9
docker9
visual-studio9
ethereum9
benchmarking8
bash8
benchmark8
wpf6
raft6
entity-framework6
caliper6
Programming languages (8)
Github contributions (5)
hyperledger-caliper/caliper
Feb 2021 - Jun 2022
A blockchain benchmark framework to measure performance of multiple blockchain solutions https://wiki.hyperledger.org/display/caliper
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 releases, 131 reviews, 16 commits in 1 year 4 months
Contributions summary:Attila focused on improving the integration tests within the Caliper framework. They addressed issues with the Besu and Ethereum integration tests by fixing versions, Docker configurations, and CLI flags. Furthermore, the user fixed a bug in the CompositeRateController class and added DCI linting to the CI for pull requests. Their contributions primarily improved the robustness and reliability of the testing infrastructure for the Caliper project.
hyperledgerblockchainbenchmark-frameworkbenchmarkmeasure-performance
ftsrg-csi/BenchmarkDataPool
Oct 2017 - Oct 2022
This is a folder collecting the benchmark results from the teams.
Contributions:28 reviews, 39 PRs, 73 pushes in 5 years 1 month
benchmarkcollectingbenchmarking
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