Alex Chronopoulos
Senior Software Engineer at Apple
Mountain View, California, United States
Summary
👤
Senior🎓
Top SchoolAlex Chronopoulos is a Senior Software Engineer with 13 years of experience building low-latency, real-time communication systems and cross-platform audio infrastructure. He specializes in C++, WebRTC, SIP/CSTA, RTP/SDP and UC solutions on Linux, and has held senior roles at Apple, AWS, Mozilla and other engineering-focused companies across Europe and the US. At Mozilla he influenced core audio plumbing in the widely-used cubeb library, touching platform integrations from ALSA to WASAPI—an indicator of both deep systems design and practical cross-platform debugging. Comfortable in large codebases and diverse VCS environments (Git, Hg, ClearCase), he brings a blend of telecom signal-processing education and hands-on middleware/telephony experience to complex backend problems. Based in Mountain View, he combines telecom-era protocol expertise with modern real-time web audio and cloud services.
13 years of coding experience
18 years of employment as a software developer
Diploma Electrical and Electronic Engineer, Diploma Electrical and Electronic Engineer at Aristotle University of ThessalonikiMSc Microsystems and Nanostructures, MSc Microsystems and Nanostructures at National Technical University of AthensMSc Telecomunication Systems and Signal Processing, MSc Telecomunication Systems and Signal Processing at University of Bristol
Github Skills (8)
audio10
audio-processing10
c-language10
cross-platform10
cprogramming-language10
multiplatform10
windows6
android6
Programming languages (9)
Github contributions (5)
mozilla/cubeb
Jan 2016 - Jun 2020
Cross platform audio library
Role in this project:
Back-end Developer & System Architect
Back-end Developer & System ArchitectContributions:5 reviews, 190 commits, 188 PRs in 4 years 5 months
Contributions summary:Alex focused on updating the audio stream initialization and data callbacks within the cross-platform audio library. They modified various test files, including test_sanity.cpp, test_audio.cpp, and test_tone.cpp to reflect these changes and ensure continued functionality. Furthermore, the user updated core files like cubeb.h, cubeb.c, and several platform-specific files (e.g., cubeb_alsa.c, cubeb_wasapi.cpp) to align with the signature modifications. This suggests a broad impact on the underlying architecture and platform integration of the audio library.
audio-playerwindowsaudioaudio-librarycross-platform
achronop/samples
Jul 2018 - Nov 2021
Contributions:57 pushes, 1 branch in 3 years 4 months
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