Software Development Engineer II, Alexa Connectivity Devices

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

In short

As an OS/Kernel Engineer on the Alexa Connectivity Devices team in Bangalore, you will be responsible for the foundational operating system layer including the Linux kernel, device drivers, RTOS, and bootloaders for next-generation Amazon connected devices. You will focus on optimizing boot time, memory footprint, and power efficiency for resource-constrained hardware and collaborate with SoC vendors for platform enablement.

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
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 Video Games Industry (supporting title Development, Release, or Live Ops) experience
Experience programming with at least one software programming language
3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Bachelor's degree in computer science or equivalent
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 empowers Amazonians to deliver the best results for our customers
Workplace accommodation and adjustment during application, hiring, interview, or onboarding process available upon request

Skills

Linux kerneldevice driversRTOSbootloadersCC++ARMRISC-VU-BootFreeRTOSZephyrmemory managementscheduler internalspower managementcode reviewssource control managementbuild processestestingoperationsARM TrustZoneOP-TEEftraceperfkgdbcrash utilityThreadX

#Software Development#Alexa#Connectivity Devices#Linux Kernel#Device Drivers#RTOS#Bootloaders#Embedded Systems#C/C++#ARM#RISC-V

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