RTOS Engineer
4 days ago
As an RTOS Engineer, the role involves analyzing, customizing, and integrating the proprietary voice patch engine into Lavas feature phone firmware. Working closely with the Embedded C Engineer and Project Manager is crucial to ensure seamless integration with Unisoc/MediaTek chipsets.
**Key Responsibilities**
Reverse-engineer existing firmware to identify integration points for the Bol" voice patch.
Customize and optimize RTOS components to support TTS/voice playback features.
Integrate audio codecs (e.g., IMA ADPCM) and phoneme mapping within firmware constraints.
Perform device-level validation for memory, latency, and power usage.
Collaborate with Lava's in-house firmware team for joint reviews and knowledge transfer.
Document all RTOS changes, integration notes, and build instructions
.
**Required Skills & Experience**
Strong proficiency in RTOS (ThreadX, Nucleus, or similar lightweight kernels).
Experience with Unisoc/MediaTek SC6531E/MT6261 or similar 2G/feature phone chipsets.
Hands-on knowledge of embedded audio pipelines and low-footprint system design.
Proficient in C/Assembly for embedded platforms.
3–6 years of experience in firmware development for embedded/telecom devices.
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