Rachmadani Haryono is a pragmatic software engineer based in the Berlin area with 11 years of hands-on experience building and hardening backend systems and test automation across open-source projects. Comfortable in Python (and with a background teaching C++ fundamentals), they have contributed significant bug fixes, Python 3 modernizations, and testing infrastructure to well-known projects like searx, beets, Lutris, and PixivUtil2. Their contributions span backend development, QA/test automation, and ML engineering—adding evaluate-image tooling to DeepDanbooru and strengthening CI/coverage for speech modules in Melissa-Core. Known for improving stability and compatibility, they routinely tackle edge-case error handling, packaging issues, and cross-platform adjustments that keep projects production-ready. Colleagues value their careful testing mindset and ability to translate messy legacy code into maintainable, documented functionality.
A lovely virtual assistant for OS X, Windows and Linux systems.
Role in this project:
QA Engineer / Test Automation Engineer
Contributions:19 commits, 25 PRs, 83 comments in 9 months
Contributions summary:Rachmadani primarily contributed to the testing infrastructure of the project. Their commits focused on adding and improving tests for the speech-to-text (STT) and text-to-speech (TTS) modules, including the creation of test files, implementing various test cases using mock objects and patching, and ensuring coverage for different STT engines and platforms. They also addressed and resolved installation issues related to testing dependencies within the CI/CD pipeline.
Contributions:37 reviews, 366 commits, 103 PRs in 5 years 11 months
Contributions summary:Rachmadani's commits primarily focus on testing the `buku` project. They created and modified various test cases, including tests for core classes like `BukuHTMLParser` and `BukuCrypt`, and functionality related to database operations like deleting records and importing data from browser databases. The contributions show a strong emphasis on test-driven development and ensuring the reliability of the application's features and functionalities by providing more comprehensive test scenarios. The code differences include adding new test cases, fixing existing tests, and updating testing configurations.
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