Senior Embedded Software Engineer

Your Role in the Team

• Perform system bring-up for the Android Embedded platform, including bootloader, kernel, and driver integration.
• Develop and integrate SumUp custom modules - including kernel drivers, power management, and connectivity components.
• Maintain and improve the build system, ensuring stability and scalability across the platform.
• Debug hardware and software issues at the protocol level (I2C, SPI, UART, SDIO, etc.).
• Carry out testing and validation to ensure new releases are delivered with the right quality and on time.
• Collaborate closely with Hardware Engineers, QA, Product Managers, and Manufacturing/Supply Chain teams.
• Independently deliver features on Android OS and contribute to a culture of engineering excellence within the Hardware Tribe.

Our Offer

• The opportunity to work on large scale fintech products used by millions of small businesses around the world.
• A dedicated annual Learning & Development budget for attending conferences and/or advancing your career through further education.
• Enrollment onto our virtual stock ownership program - you will own a stake in SumUp's future success.
• A corporate pension scheme.
• 28 days paid leave + 1 for birthday.
• You'll attend global offsites and/or hackathons.
• You'd enjoy other great benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidized office lunches and other location-tailored benefits, Babbel language platform subscription and more!

Technologies and Skills

• Android
• JTAG
• AOSP
• C

Our Expectations of You:

Qualifications

• You have deep knowledge of the Android OS architecture - from bootloader (U-Boot, Little Kernel) and kernel to the framework and services.
• You have expert-level proficiency in C programming for embedded Linux environments.
• You have solid understanding of embedded security concepts: Secure Boot, TrustZone (TEE), dm-verity, file-based encryption, and hardware-backed key storage.
• You have proficiency with embedded debugging tools (e.g., JTAG, logic analyzers, kernel debuggers).

Experience

• You have 5+ years of professional experience in embedded systems development with a strong focus on Android & AOSP.
• You have hands-on experience debugging hardware interfaces at the protocol level (I2C, SPI, UART, SDIO, etc.).
• You have hands-on experience with at least one of the following platforms: Qualcomm Snapdragon or MediaTek.

Benefits

• Relocation Package
• Massage, Yoga o. A.
• Team Events