Jiri Danek
Brno, Southeast, Czechia
Summary
🤩
Rockstar🎓
Top SchoolJiri Danek is a second-year Information Science student at Charles University and an experienced contributor to open-source projects, with roughly a dozen years of hands-on coding and testing experience. He has made notable contributions to Apache Qpid Proton—fixing C++/Python binding issues, adding fuzz tests and improving test coverage—and integrated fuzzing workflows into Google's OSS-Fuzz to harden continuous security testing. Comfortable across backend development, test automation and DevOps, he enjoys tackling compiler/debugging challenges and adapting build systems to meet tough constraints. Based in Brno, he pairs a curiosity for new languages and web/security technologies with an active lifestyle—climbing, running and backpacking—which he says fuels his persistence on tricky engineering problems.
12 years of coding experience
Státní maturitní zkouška, Computer and Information Sciences, General, Státní maturitní zkouška, Computer and Information Sciences, General at SPŠ a VOŠ PísekBakalář (Bc.), Information Science/Studies, 2., Bakalář (Bc.), Information Science/Studies, 2. at Univerzita Karlova
Github Skills (25)
brokers10
c-language10
jms10
messaging10
amqp10
scripting10
testing10
broker10
java10
activemq-artemis10
javas10
script10
build-automation10
sh10
fuzzing10
Programming languages (31)
Github contributions (5)
apache/qpid-proton
Nov 2016 - Nov 2022
Mirror of Apache Qpid Proton
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:173 reviews, 114 commits, 198 PRs in 6 years
Contributions summary:Jiri primarily contributed to the Apache Qpid Proton project by fixing bugs, adding new test coverage, and enhancing the C++ and Python bindings. Their work included fixing type errors, addressing compiler warnings, and incorporating fuzzing tests to improve code stability. They also added functionality related to fuzz testing and fixed issues related to StandaloneFuzzTargetMain.c from the LLVM project.
pythonprotonqpid-protonpython2ruby
google/oss-fuzz
Feb 2017 - Dec 2019
OSS-Fuzz - continuous fuzzing for open source software.
Role in this project:DevOps Engineer / Automation Engineer
DevOps Engineer / Automation EngineerContributions:7 commits, 5 PRs, 7 comments in 2 years 10 months
Contributions summary:Jiri primarily focuses on integrating and maintaining fuzzing tools for the qpid-proton project within the OSS-Fuzz environment. Their contributions involve modifying build scripts and configuration files to enable and optimize fuzzing, including linking necessary libraries, disabling LTO to resolve linking issues, and adapting to upstream build changes. The user also addresses specific issues by linking tools and adjusting build parameters to work within the constraints of the fuzzing framework. Their work directly contributes to the continuous fuzzing and security testing of the project.
oss-fuzzfuzz-testingossvulnerabilitiessecurity
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