Linux device driver developer

8 hours ago

Bengaluru, Karnataka, India 7 Darter Full time US$ 11,28,000 - US$ 14,72,000 per year

We are hiring experienced engineers who are passionate about building high-performance embedded systems, device drivers, and low-level software.
You will work across microcontrollers/ microprocessor , Linux platforms, and silicon validation environments to design, develop, and debug production-grade embedded software.

Key Responsibilities :

  • Design, develop, test, and debug
    device drivers
    ,
    kernel modules
    , or
    embedded firmware
    for microcontrollers and Linux platforms.
  • Bring-up new hardware:
    bootloaders, BSP, board diagnostics
    , interface bring-up (UART, SPI, I2C, USB, PCIe, Ethernet).
  • Develop software to
    validate silicon features
    , peripherals, and low-level hardware functionality.
  • Create test applications for
    FPGA, simulation, and lab bench setups
    .
  • Analyze hardware reference manuals, protocol specs, and memory maps to implement low-level software.
  • Optimize system performance, memory usage, and power consumption.
  • Work with cross-functional teams—hardware, systems, QA, validation to ensure complete product maturity.
  • Participate in design reviews, code reviews, and architecture discussions.

Required Skills :

  • Excellent skills in
    C
    /
    C++
  • Strong debugging skills using GDB, Lauterbach, JTAG, Logic Analyzers, Oscilloscopes
  • Experience developing
    bare-metal
    or
    RTOS-based
    firmware
  • Clear understanding of:
  • Interrupts, Timers, Memory Map, Linker scripts
  • Startup code, boot flow, low-level initialization
  • UART/SPI/I2C/GPIO/PWM/ADC drivers
  • Experience with
    ARM Cortex-M / Cortex-A
    , RISC-V, DSPs, or custom SoCs
  • Ability to develop
    microprocessor-level device drivers
    (MMIO, clock, reset, DMA, pinmux, etc.)
  • Linux Kernel build systems / Yocto / Buildroot / BSP creation
  • Developing
    kernel-space drivers
    (char, block, network, platform drivers)
  • Working with
    Device Tree
    , udev, sysfs/procfs
  • Board bring-up: serial console, clocks, regulators, pins, buses
  • Knowledge of kernel subsystems:
  • I2C, SPI, GPIO, PWM, USB, UIO, MTD, DMA, netdev, thermal, input subsystem
    , etc.
  • Debugging using
    JTAG, GDB, KGDB, tracepoints, ftrace, perf
  • Multi-process programming using POSIX APIs
  • IPC:
    pipes, shared memory, message queues, sockets, DBus
  • Understanding of file I/O, process control, memory management
  • Experience building scalable user-space applications for embedded platforms

Additional Skills :

  • U-Boot porting, SPL/DDR initialization
  • Familiarity with ARM TrustZone / secure boot concepts
  • Experience with high-speed interfaces (PCIe, MIPI-CSI/DSI, Ethernet)
  • Knowledge of wireless stacks (Bluetooth, Wi-Fi)
  • Exposure to Yocto recipes and custom layers
  • Understanding of virtualization concepts (KVM, containers on embedded Linux)

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