Last Mile Semiconductor GmbH: Senior Embedded Software Engineer | Senior Firmware Engineer (m/w/x)
Core
Designing and optimizing embedded software and firmware for ultra-low-power DECT NR+ microchips and SoCs to enable energy-efficient wireless connectivity for IoT and industrial applications.
Role type
Senior IC embedded software engineer (RFIC/SoC)
Builds
DECT NR+ microchips and SoCs for scalable, robust IoT and mMTC applications
Domain
Semiconductor hardware + embedded systems + wireless connectivity
Deliverable
production ML models | product features
Required skills
C/C++, embedded software architecture, RTOS (FreeRTOS/Mbed OS/Zephyr), microcontroller peripherals, serial interfaces (SPI/I2C/UART), multi-core communication, interrupt handling, secure boot concepts
Preferred skills
CAN/RS485, RISC-V, PHY/MAC layer understanding, OFDM/FFT concepts, Python, Device Tree configuration
Technologies
C, C++, FreeRTOS, Mbed OS, Zephyr, Git, JIRA, CI/CD, SPI, I2C, UART, CAN, RS485, DECT NR+, CMOS, FD-SOI
Responsibilities
Develop and optimize embedded software/firmware for DECT-NR+ microchips; Design software architectures for resource-constrained systems; Implement drivers and system components for microcontrollers and RTOS; Integrate microcontroller peripherals and serial interfaces; Collaborate with hardware engineers on holistic solution integration; Create and execute test plans and perform debugging/performance analysis; Document software architecture and improve existing systems
Seniority
Senior, hands-on IC
