Firmware jobs include roles like firmware engineer, firmware developer, firmware test engineer, and firmware design engineer. In any of these firmware jobs, your responsibilities are to develop, test, and implement code to program the firmware content embedded in electronic devices like cell phones, remote controls, video game consoles, and medical devices. Your job duties vary depending on your industry and your exact job title. For example, as a firmware design engineer, you create firmware code that controls the electronic components of a device. As a firmware test engineer, your duties focus on testing, troubleshooting, and debugging firmware.