Software/Firmware: C, C++, Embedded C/C++, VC++, C#, SQLite, MATLAB, Python, JavaScript, HTML
Hardware: NXP, TI, STM, Atmel, Xilinx, Intel, RockChip, Nvidia, BroadCom (Raspberry Pi), Quectel, NordicSemi, Redpine Signals
OS: uCOS, Safe-RTOS, Free-RTOS, TI-RTOS, QNX, VxWorks, IntegrityOS, uCOS, MQX, ThreadX, RTOS32, WinCE and RTLinux
Frameworks and Tools: ROS, Qt, Actin, MoveIt, Gazebo, DDS, .Net, MFC, [Yocto, Buildroot], OpenCV, TensorFlow/Lite, SolidWorks, Creo, Ansys, orCAD, Altium
Protocols: RS232, RS485, SPI, I2C, CAN, Ethernet, EtherCAT, Modbus, Wiegand, Zigbee, Wifi, Bluetooth and BLE
Standards: IEC62304, ISO13485, ISO14791, IEC50128, IEC50129, IEC80601 etc
Version Control: Tortoise SVN, GIT, IBM Synergy
Miscellaneous: VectorCast, CppTest, Squish, JIRA, Polarion, Assembla, PM Smart, Microsoft Visio, QAC/C++ (Static Analysis), PClint, Beyond Compare, EditPlus, DocLight, SourceInsight3, Flash Magic, Oscilloscopes, TI BLE sniffer, Minitab