Semidynamics is seeking a Senior LPDDR5 X Controller/PHY First-Silicon Bring-Up Engineer to support reconstruction, implementation and physical qualification of the LPDDR5 X initialization and training flow, guiding verification collateral to deterministic first-silicon execution and failure diagnosis. The role emphasizes post-silicon bring-up of DDR/LPDDR, memory controller initialization, and low-level firmware development in C/C++, with a focus on diagnosing training failures and achieving #J-18808-Ljbffr