Valerii Vyshniak
Senior Software Engineer at Sigma Connectivity
California, United States
Summary
👤
Senior🎓
Top SchoolValerii Vyshniak is a Senior Software Engineer based in California with over 10 years of hands-on experience across embedded systems, Android/Linux platform development, firmware and hardware integration. He has driven low-level work from Linux kernel and BSP development to Android HALs (Audio, Camera) and framework optimizations, with notable tenure at Sony Mobile and currently at Sigma Connectivity. His background spans medical device hardware/software, VoIP systems, and platform bring-up for Marvell SoCs, showing a rare blend of system-level engineering and product-focused delivery. Valerii contributes to open source—improving GPS tracking integrations and device parsing in the well-known Traccar project—demonstrating attention to interoperability and real-world data handling. He pairs deep C/C++ and kernel expertise with practical experience in Android internals, power optimization, and driver integration. Colleagues rely on him for complex platform debugging and for translating hardware constraints into robust software designs.
10 years of coding experience
13 years of employment as a software developer
Radio technician, Radioelectronics, Radio technician, Radioelectronics at KNEU Kyiv College of Information Systems and TechnologiesIgor Sikorsky Kyiv Polytechnic Institute
English, Russian, Ukrainian
Github Skills (6)
gps10
javas10
gps-tracking10
java10
geolocation10
http-header9
Programming languages (6)
Github contributions (5)
traccar/traccar
Jan 2017 - Dec 2017
Traccar GPS Tracking System
Role in this project:
Back-end Developer
Back-end DeveloperContributions:22 commits, 6 PRs, 49 comments in 10 months
Contributions summary:Valerii contributed to the Traccar GPS Tracking System by implementing several key features and addressing specific issues. They enhanced the Google geolocation API integration by setting the content type in HTTP headers. Furthermore, the user fixed a bug in the geolocation handling, resetting parameters of GPS positions after geolocation, and added channel information to the WifiAccessPoint class. In addition, they focused on parsing specific data packets, specifically for the T580W device, to include altitude, satellite numbers, battery levels, and information from LBS and WiFi data.
traccartrackinggpsgps-trackinglocation-tracking
ValeraVi/traccar
Dec 2016 - Dec 2017
Contributions:33 pushes, 7 branches in 1 year
gpsgps-trackingtraccartracking
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