Senior Embedded Software Engineer- Hardware

SumUp's Hardware Development team is moving its in-house hardware onto the Android platform for the first time. This highly customised, security-first product is being built from scratch, and you'll help define how the operating system, drivers, and secure processor come together while working alongside experienced embedded and secure processor leads.

What you'll do

• Support system bring-up for the new Android embedded platform, from bootloader through to kernel and framework
• Integrate and maintain kernel modules and drivers, including power management and connectivity components
• Contribute to build system integration across the platform
• Debug hardware and software issues at the protocol level and help resolve critical issues found during testing
• Carry out testing and validation to confirm the platform is stable and secure before release

What you'll need

• Experience developing embedded systems with a strong focus on Android OS, gained over several years in a professional setting
• Strong knowledge of the Android OS architecture, from bootloader (U-Boot, Little Kernel) and kernel through to framework and services
• Hands-on experience debugging hardware interfaces at protocol level, including I2C, SPI, UART, and SDIO
• Solid understanding of embedded security concepts such as Secure Boot, TrustZone (TEE), dm-verity, encryption, and hardware-backed key storage
• Comfort working with Qualcomm Snapdragon or MediaTek platforms, and expert-level C programming for embedded Linux environments

What they offer

• Annual L&D budget of €2000 for conferences and further education
• Corporate pension scheme with matching up to 20% of contributions
• 28 days of paid leave plus public holidays and special leave days
• Virtual Stock Option programme
• Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches
• 1-month sabbatical after 3 years of service