Job Description

• Linux Kernel Development: Linux kernel configuration, customization, and compilation; Board Support Package (BSP) maintenance; Kernel porting and board bring-up on custom hardware; Kernel debugging (panic, oops, memory leaks, performance issues); Device tree configuration and maintenance
• Device Driver Development: Development and debugging of Linux drivers for peripheral interfaces like I2C, SPI, SDIO, UART, I2S, PCM, GPIO; Integration and debugging of Bluetooth stack (HCI, UART-based BT, SPI-based BT), Wi-Fi drivers and networking stack; Power management integration and optimization; Interrupt handling and DMA-based driver development
• Audio Subsystem: ALSA (Advanced Linux Sound Architecture) framework understanding, ASoC (ALSA System-on-Chip) driver architecture; Development/integration of I2S drivers, PCM interfaces, Audio codecs (external and integrated); Codec bring-up over I2C/SPI; Audio routing, mixer controls, and DAPM configuration; Debugging audio issues (noise, distortion, latency, synchronization); Experience with Audio clocking (MCLK, BCLK, LRCLK), DMA-based audio transfers, Buffer management and latency tuning; Knowledge of Bluetooth Audio profiles (A2DP, HFP) is a strong plus; Understanding of VoIP/audio streaming optimization preferred
• Debugging and Performance: Strong debugging skills using - printk, ftrace, perf, crash dump analysis, GDB, Kernel logs; Root cause analysis of system-level issues; Optimization of boot time, CPU utilization, power consumption and runtime performance
• Build, Integration & Maintenance: Work with build systems such as Yocto, Buildroot, or custom Linux distributions; Maintain kernel patches, configuration files, and release documentation; Collaborate with QA and hardware teams for system validation and release readiness

• 4-6 years of experience in embedded Linux kernel
• Strong proficiency in C programming
• Experience developing or modifying Linux kernel modules and drivers, Audio (ALSA/ASoC)
• Understanding of Linux system architecture, process management, and file systems.
• Hands-on experience with debugging tools and performance profiling.
• Familiarity with Git and structured development workflows.

• Experience with embedded Linux platforms on RISC-V, ARM-based systems.
• Familiarity with Yocto or Buildroot build environments.
• Knowledge of networking stack, storage systems, or multimedia frameworks.
• Experience with containerization or virtualization on Linux systems.

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