Build and maintain edge software that controls pharmacy automation hardware. Responsibilities include hardware communication over CAN, serial, USB, and Ethernet; fill-sequencing state machines; versioned contracts with microcontrollers and vision systems; and fail-closed behavior. The role requires production C, C++, or Rust on Linux, hardware-bus debugging, real-time orchestration, and embedded-device integration. Preferred experience includes industrial ARM/x86 platforms, field diagnostics, embedded Linux, NVIDIA Jetson, and robotics or medical devices.