Design and implement solutions that span across Android applications, Inter-CPU communication, RTOS, and L2 payment kernels
Add new features to existing products (such as dynamic currency conversion, offline payment support, Android Pay, Apple Pay, mobile wallets, etc.)
Troubleshoot issues that may span across a wide range of device types, focusing on low-level system integration
Take ownership of specific payment components and low-level firmware modules
Work with international certification teams and test organizations to ensure payment kernel compliance
Collaborate with product management to clarify and/or create specifications
Triage bugs related to payment applications and related infrastructure; troubleshoot complex system integration issues to ensure resolution
Perform production support services as part of a regular on-call rotation

5+ years of software development experience with a focus on architecture and design of Android devices and platforms
Advanced proficiency in C programming and at least one other major language used in AOSP (Java, C++, or Kotlin)
Strong experience working at the lower end of the stack, including MCU/ARM Cortex development and RTOS
Previous experience or a strong foundational understanding of L2 payment kernels (highly preferred)
Android app development experience using Kotlin and native code
Experience in UI development, optimal performance tuning, and adaptation to various screen sizes
General understanding of security protocols (encryption/decryption, PKI, HSM) and proficiency with Git/Gerrit

Senior Engineer – Device Engineering

Key skills