Yongjoo Ahn
Software Engineer at Samsung Electronics
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolYongjoo Ahn is a software engineer with nine years of experience, currently building machine learning and system-level features at Samsung Electronics in Seoul. He holds both bachelor's and master's degrees in Computer Science and Engineering from Seoul National University. An active open-source contributor, Yongjoo has improved performance, reliability, and test coverage for NNStreamer, a notable stream-processing framework for neural network applications. His work spans ML engineering and test automation, addressing static analysis findings, uncaught exceptions, and multi-tensor model testing to harden production pipelines. Colleagues describe him as pragmatic and detail-oriented, with a penchant for catching subtle memory and concurrency issues before they reach users. Outside core development he posts with a lighthearted "Hello, be happy!" signature, hinting at a positive team-minded approach.
9 years of coding experience
Master's degree, Computer Science and Engineering, Master's degree, Computer Science and Engineering at Seoul National University
Korean, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
unit-testing10
machine-learning10
tensorflow-lite10
gstreamer10
test-automation10
cprogramming-language9
c-language9
tizen8
tensorflow7
ai7
python7
Programming languages (7)
Github contributions (5)
nnstreamer/nnstreamer
Jan 2020 - Jan 2023
:twisted_rightwards_arrows: Neural Network (NN) Streamer, Stream Processing Paradigm for Neural Network Apps/Devices.
Role in this project:
ML Engineer & Test Automation Engineer
ML Engineer & Test Automation EngineerContributions:692 reviews, 185 commits, 244 PRs in 3 years
Contributions summary:Yongjoo primarily focused on improving the performance and reliability of the NNStreamer project, specifically relating to machine learning models. They fixed several Coverity issues, addressed uncaught exceptions and uninitialized pointers. The user also added and refined test cases across multiple components, including a new SSAT test, a test for multi-tensor output models, and tests for the Tizen sensor source element.
arrowscaffe2streamtensorflowtizen
anyj0527/nnstreamer-example
Feb 2020 - Aug 2024
Example applications of nnstreamer. Note that we have to enable the 'apptest" CI module in the near future.
Contributions:117 pushes, 36 branches in 4 years 6 months
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