Java, Unix, Golang, Rust, Dns, Http, routing, DHCP, Linux, Ruby, Python, switching, network fundamentals

audio precision , Dts, Pulse Audio, Bare metal Linux, Audio Tools, Oscilloscope, ARM DSP architectures, Audio Video Sync, STB DTV audio systems, Audio Flinger, Logic Analyzer, Audio software stack on Android, Audio HAL, Dolby MS12, Audio and speech processing algorithms, QNX proprietary OS, ALSA, MPEG-TS

Java, Unix, Rails, Linux, Shell Scripts, Ruby, Python, AWS

Java, Golang, Javascript, Perl, PowerShell, Ruby, Python