Janne Härkönen
Prinicpal Consultant at Reaktor
Tampere, Pirkanmaa, Finland
Summary
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Rockstar🎓
Top SchoolJanne Härkönen is a seasoned technology leader with 18 years of experience who currently heads Operations for Reaktor’s Industrial business unit while continuing as a Principal Consultant. With roots as a software developer at Nokia and Qentinel, he combines deep hands-on test automation and full‑stack development skills with operational leadership. He is an active open‑source contributor to Robot Framework projects—improving the Browser library powered by Playwright and strengthening test suites for RIDE and SeleniumLibrary—bringing practical CI and packaging improvements. Based in Tampere, Finland and trained in telecommunications engineering, Janne blends systems thinking with a knack for pragmatic tooling fixes that reduce operational friction. Colleagues know him as a “senior rubber duck”: a calm, methodical problem solver who surfaces subtle bugs and simplifies complex workflows.
17 years of coding experience
3 years of employment as a software developer
Master's degree, Telecommunications Engineering, Master's degree, Telecommunications Engineering at Teknillinen korkeakoulu-Tekniska högskolan
Github Skills (16)
unit-testing10
typescript10
robotframework10
javascript10
playwright10
typescripts10
selenium-ide10
selenium10
python10
wxpython10
typescript-types10
test-automation10
testing10
nodejs9
packaging9
Programming languages (3)
Github contributions (5)
robotframework/RIDE
Oct 2009 - Mar 2016
Test data editor for Robot Framework
Role in this project:
Test Automation Engineer
Test Automation EngineerContributions:11 releases, 1525 commits, 114 PRs in 6 years 6 months
Contributions summary:Janne primarily contributed to the test suite for the Robot Framework IDE (RIDE). Their work included adding more tests, cleaning up existing ones, and fixing bugs within the test suite's functionality. The commits focus on ensuring the reliability and functionality of various components within the test environment, including setting values in editors, handling text, and testing keybindings.
testcasetest-datadata-editorrobot-frameworkrobotframework
robotframework/SeleniumLibrary
Apr 2010 - Aug 2011
Web testing library for Robot Framework
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:216 commits in 1 year 3 months
Contributions summary:Janne's commits focus on improving the testing capabilities of the Robot Framework SeleniumLibrary. Their work involved modifying and enhancing existing tests, specifically by returning exit codes to the shell and fixing output file paths. They also increased timeout values in the library to accommodate slow CI environments and added new Flex application tests and keywords, along with corresponding resources, showing a focus on expanding and maintaining the library's test coverage. Further commits demonstrate that the user contributed to fixes and documentation.
pythontestingrobot-frameworkrobotframeworkrobot
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