Embedded Developer applicants have rated the interview process at Amgen with 5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 64.1% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Low-level software understanding: interrupt handling, memory constraints, timing, RTOS, concurrency, synchronization, bootloader, peripheral interfacing
Embedded design & architecture: how you structure firmware, abstraction vs performance, communication protocols (UART, SPI, I²C, CAN, etc.)
Debugging & troubleshooting: how you approach diagnosing hardware/software issues, logs, oscilloscopes, breakpoints
Past project depth: they may ask you to present or deep dive into your embedded work
Behavioral / teamwork: how you handled conflicts, cross-discipline teams (HW / mechanical / QA), tradeoffs