Embedded Software Engineer - Linux

Namaskaram! Ajnalens is looking for a Firmware Engineer to join our team at Thane ( Maharashtra). The ideal candidate should have experience working in embedded linux software development. Minimum work experience required: 8+ years of experience in embedded linux software development with below skills. Core Linux System Skills: Strong knowledge of Linux internals : process management, memory handling, and system calls. Proficient in Bash scripting , Makefiles, and build automation. Familiar with cross-compilation toolchains (e.g., arm-none-eabi, clang). Linux Kernel & Driver Development: Experience building and configuring the Linux kernel for embedded systems. Development of custom kernel modules and device drivers (character/block/platform drivers). Working knowledge of Device Tree (DTB) configuration and overlays. Debugging with dmesg , strace , ftrace , gdb , and kgdb. Understanding of interrupt handling , memory-mapped I/O , and DMA. Yocto Project & Build Systems: Proficient with Yocto Project (Poky, BitBake) : Writing custom recipes (.bb, .bbappend) Creating and maintaining layers Configuring machine and distro-specific builds (local.conf, bblayers.conf) Experience building minimal Linux distributions for target hardware Knowledge of OpenEmbedded and integration with external SDKs Peripheral and Hardware Integration: Interfacing with I2C, SPI, UART, GPIO through user space and kernel space. Integration of audio drivers , touch controllers, IMUs, and other peripherals. Power management techniques (suspend/resume, DVFS, clock gating). Security & Boot: Familiarity with U-Boot , secure boot , and trusted execution environments (TEE). Rootfs customization and filesystem security (e.g., read-only FS, squashfs, dm-verity). Testing & Debugging: Use of QEMU , GDB , JTAG , and serial consoles for debugging. Kernel logging, panic analysis, and crash dump handling. Use of static analysis tools. Toolchain & DevOps: Version control with Git , CI/CD using Jenkins/GitLab CI for embedded pipelines. Package deployment via OPKG, RPM, or custom installers. Familiar with containerization concepts (e.g., Docker for cross-building or emulation).