Senior Embedded Software Engineer- Hardware

Kurz zusammengefasst

At SumUp in Berlin, the Senior Embedded Software Engineer, Hardware role involves creating and validating low-level firmware for advanced payment terminals. This includes working closely with hardware designers to solve board-level problems and leading code reviews and performance improvements across the product stack. The engineer will oversee the entire development process, from initial specification and architecture to integration testing and field support, ensuring adherence to safety, security, and regulatory standards. The main responsibilities include designing, implementing, and validating firmware, collaborating with hardware designers, and leading code reviews. The role also involves performance optimizations and ensuring compliance with various standards. The role requires at least 5 years of experience in C/C++ embedded development on ARM Cortex-M devices, strong knowledge of hardware interfaces such as SPI, I²C, UART, USB, and CAN, and proficiency with RTOS (FreeRTOS, Zephyr) and debugging tools like JTAG, oscilloscopes, and logic analyzers. Experience with secure boot, OTA updates, and ISO 8583 payment protocols is highly desirable. What the role asks for: - 5+ years of professional experience in C/C++ embedded development on ARM Cortex-M devices - Strong knowledge of hardware interfaces (SPI, I²C, UART, USB, CAN) - Proficiency with RTOS (FreeRTOS, Zephyr) - Proficiency with debugging tools (JTAG, oscilloscopes, logic analyzers) - Experience with secure boot, OTA updates, and ISO 8583 payment protocols (nice-to-have)