PCB, CAD, CAD Flow and Automation, Physical Design, Design verification (DV), AMS, SOC, IP, Design for Testability (DFT), FPGA, Register Transfer Level (RTL), Static Timing Analysis (STA), Photovoltaic Cells (PV),  Clock Tree Synthesis (CTS), Place and Route (PnR ), VLSI layout Eng, Analog Layout, CMOS, IC Design and Testing, Linux Device Drivers, ASIC, Emulation. etc.,