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Senior Embedded Software Engineer - Android

SSumUp
Seniority
Senior
Model
In-Office
Sector
Fintech
Salary
Undisclosed
Contract
Full-Time

About the role

As a Senior Embedded Engineer in SumUp's Hardware Tribe, you will work on bringing up next-generation Android-based payment devices from bootloader and kernel through to framework integration. This role focuses on highly customized, security-focused payment hardware built from scratch, requiring deep understanding of both embedded hardware and software.

What you'll do

  • Perform system bring-up for 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 quality and on time
  • Collaborate with Hardware Engineers, QA, Product Managers, and Manufacturing/Supply Chain teams
  • Independently deliver features on Android OS and contribute to engineering excellence

What you'll need

  • 5+ years of professional experience in embedded systems development with strong focus on Android & AOSP
  • Hands-on experience debugging hardware interfaces at protocol level (I2C, SPI, UART, SDIO, etc.)
  • Deep knowledge of Android OS architecture from bootloader (U-Boot, Little Kernel) and kernel to framework and services
  • Expert-level proficiency in C programming for embedded Linux environments
  • Hands-on experience with Qualcomm Snapdragon or MediaTek platforms
  • Solid understanding of embedded security concepts: Secure Boot, TrustZone (TEE), dm-verity, file-based encryption, hardware-backed key storage
  • Proficiency with embedded debugging tools (JTAG, logic analyzers, kernel debuggers)

What they offer

  • Work on large scale fintech products used by millions of small businesses worldwide
  • Dedicated annual Learning & Development budget for conferences and career advancement
  • Virtual stock ownership program with stake in company's future success
  • Corporate pension scheme and 28 days paid leave + 1 for birthday
  • Global offsites and hackathons attendance
  • Urban Sports Club subsidy, Kita placement assistance, subsidized office lunches, Babbel subscription
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