Software Development Engineer II, Alexa Connectivity Devices

Technology, Data & Digital · Software & Web Development · Software Engineering · Embedded Systems

In short

Amazon is seeking an OS/Kernel Engineer for its new device software team in Bangalore. You will be responsible for the foundational operating system layer, including the Linux kernel, device drivers, RTOS, and bootloaders, optimizing performance for resource-constrained hardware and collaborating with SoC vendors. This is a technical leadership role focused on building reliable and scalable connectivity for Alexa-enabled devices.

Responsibilities

Develop and maintain Linux kernel configurations, device drivers, and board support packages (BSPs)
Optimize boot time, memory footprint, and power consumption at the OS level
Implement and maintain bootloader chains (U-Boot, custom) with secure boot support
Port and adapt RTOS components (FreeRTOS, Zephyr) for companion microcontrollers
Debug kernel panics, race conditions, memory leaks, and other low-level system issues
Collaborate with SoC vendors on kernel patches, errata workarounds, and BSP updates
Own kernel upgrade strategy and long-term support (LTS) branch management

Requirements

4+ years of non-internship professional software development experience
2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Experience programming with at least one software programming language
4+ years of experience in Linux kernel development or systems programming
Proficiency in C/C++; working knowledge of ARM or RISC-V assembly
Experience writing or maintaining Linux device drivers (character, block, network, platform)
Deep understanding of memory management (MMU, DMA, cache coherency), scheduler internals, and power management frameworks
Hands-on experience with bootloaders (U-Boot, GRUB, or custom)

Desired Qualifications

3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Linux kernel upstream contributions (accepted patches)
Experience with real-time patches (PREEMPT_RT) or Xenomai
Familiarity with ARM TrustZone, OP-TEE, or secure world partitioning
Familiarity with kernel debugging tools: ftrace, perf, kgdb, crash utility
Background in RTOS development (FreeRTOS, Zephyr, ThreadX)

Benefits

Inclusive culture that empowers Amazonians
Workplace accommodations and adjustments during the application and hiring process

Skills

Linux kerneldevice driversRTOSbootloadersC/C++ARMRISC-VU-BootFreeRTOSZephyrGitPREEMPT_RTXenomaiARM TrustZoneOP-TEEftraceperfkgdbcrash utilityThreadX

#Software Development#Alexa and Echo Devices

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