Denis Bazhenov
Team Lead at JetBrains
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolDenis Bazhenov is a seasoned team lead and systems engineer with 17 years of experience designing, building, and operating high-throughput distributed systems, now leading teams at JetBrains from Amsterdam. He is a pragmatic polyglot who favors Rust and Java and emphasizes correctness, testability, and performance across the full stack—from Linux and macOS internals to Kubernetes and networking. Denis has led revenue-driving product features, established incident postmortem and on-call practices that dramatically reduced night calls, and mentored developers into leadership roles. His hands-on background includes building real-time anti-parsing and large-scale image processing systems, and contributing performance and correctness fixes to the widely used TestNG testing framework. Colleagues rely on him for both low-level diagnostics and pragmatic architectural decisions that keep systems robust in production.
17 years of coding experience
19 years of employment as a software developer
Bachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at VSUES
Russian, English
Stackoverflow
9,835reputation
986kreached
63answers
49questions
java
top-1%
lucene
top-5%
Github Skills (17)
testng10
testing10
java10
javas10
lucene9
performance-optimization9
junit9
selector6
mina6
scalability6
php6
jackson6
profiling6
spring-boot6
indexing6
Programming languages (16)
Github contributions (5)
testng-team/testng
Aug 2017 - Aug 2017
TestNG testing framework
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 commits, 1 PR, 16 comments in 1 day
Contributions summary:Denis primarily focused on enhancing the TestNG testing framework. They implemented and expanded the `assertEquals` methods to include all primitive type arrays, ensuring comprehensive testing coverage. Furthermore, the user addressed a performance issue related to array comparisons, optimizing the comparison algorithm and adding a test to verify the memory usage. Minor changes were also made to improve code quality and to meet sonar expectations.
test-automationtesting-frameworktestingjvmtestng
bazhenov/envy
Nov 2008 - Feb 2010
Contributions:13 commits in 1 year 2 months
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