Senior Engineer

Senior Firmware Engineer – Audio Codec (Rust) Experience: 8–14 Years Location: [India(preferably Chennai) Onsite/Remote/Hybrid] ________________________________________ Job Description: We are seeking a highly skilled Firmware Engineer with strong expertise in Audio Codec development and Rust programming. The candidate will design, implement, and optimize low-level firmware for audio codec solutions, ensuring high performance, reliability, and compliance with multimedia and embedded standards. ________________________________________ Key Responsibilities: • Design and develop firmware modules for audio codec drivers (encode/decode, signal processing, streaming). • Implement low-level firmware in Rust for real-time audio pipelines. • Work on audio data paths, DSP integration, and codec algorithms. • Develop and maintain device drivers, HAL (Hardware Abstraction Layer), and board support packages. • Optimize memory, performance, and power consumption for embedded audio solutions. • Debug and troubleshoot firmware issues using JTAG, logic analyzers, oscilloscopes. • Collaborate with hardware, DSP, and system teams to integrate codecs into target platforms. • Perform unit, integration, and system-level testing for audio firmware components. • Contribute to architecture design, code reviews, and documentation. • Ensure compliance with industry standards (ALSA, AV frameworks, A2DP, VoIP, Dolby, AAC, MP3, etc.). ________________________________________ Required Skills & Qualifications: • Bachelor’s/Master’s degree in Electronics, Computer Engineering, or related field. • 8–14 years of experience in embedded firmware development, with at least 3+ years in audio codec domain. • Strong expertise in Rust programming for embedded systems (memory safety, concurrency, async programming). • Experience with C/C++ for low-level embedded development (interfacing with Rust). • In-depth knowledge of audio codecs: AAC, MP3, SBC, Opus, Dolby, FLAC, PCM. • Experience in I2S, I2C, SPI, DMA, USB Audio, ALSA/ASoC (Linux Audio Subsystem). • Strong knowledge of RTOS/Linux kernel driver development for audio. • Hands-on with debugging tools (JTAG, Lauterbach, GDB). • Familiarity with version control (Git), CI/CD pipelines, and automated testing. • Strong problem-solving and performance optimization skills. ________________________________________ Good to Have: • Experience with cross-compilation toolchains and build systems (CMake, Cargo, Yocto). • Knowledge of real-time audio streaming frameworks (PulseAudio, PipeWire, JACK). • Familiarity with DSP programming or ARM Cortex-M/A architectures. • Exposure to Rust embedded ecosystem (e.g., embedded-hal, no_std, RTIC). • Knowledge of Audio Quality testing methodologies (MUSHRA, PESQ, POLQA). • Prior experience with Dolby/DTS certification processes. ________________________________________ Soft Skills: • Strong collaboration and communication skills. • Ability to work in cross-functional teams with hardware, software, and QA. • Proactive in problem-solving and mentoring junior engineers.One SR - Firmware Engineer – Audio Codec (Rust) Experience: 6–9 Years Location: [India(preferably Chennai) Onsite/Remote/Hybrid]Key Responsibilities: Design and developfirmware modulesfor audio codec functionality (encode, decode, streaming, signal processing). Implementlow-level device driversand HAL (Hardware Abstraction Layer) inRust , with C/C++ interoperability where required. Work withembedded communication protocols(I2S, I2C, SPI, DMA, USB Audio). Optimizeperformance, memory footprint, and power efficiencyof audio pipelines. Debug and troubleshoot firmware usingJTAG, GDB, Lauterbach, logic analyzers, and oscilloscopes . Collaborate with hardware/DSP/system engineers to integrate codecs on target platforms. Supportunit, integration, and regression testingfor audio firmware validation. Ensure compliance withaudio standards(AAC, MP3, SBC, Opus, PCM, Dolby). Contribute tocode reviews, technical documentation, and best practices adoption .Required Skills & Qualifications: Bachelor’s/Master’s degree inElectronics, Computer Engineering, or related field . 5–7 years of embedded firmware development experience , with2+ years in audio codec projects . Strong hands-on expertise inRustfor embedded systems (no_std, concurrency, async programming). Good working knowledge ofC/C++for low-level embedded development. Familiarity withaudio codec standards and algorithms(compression, decoding, error handling). Experience withRTOS (FreeRTOS, Zephyr) or Embedded Linux (ALSA/ASoC) . Practical experience withcross-compilation, build systems (Cargo, CMake, Yocto) . Strong debugging skills usingJTAG/GDBand embedded analysis tools.Good to Have: Exposure toDSP integrationor ARM Cortex-M/A architectures. Knowledge ofLinux audio frameworks(PulseAudio, PipeWire, JACK). Familiarity withaudio quality testing tools(MUSHRA, PESQ, POLQA). Prior experience withDolby/DTS certificationor multimedia compliance. Understanding ofsecure firmware developmentpractices.Soft Skills: Strong analytical and debugging abilities. Good communication skills to work with global teams. Proactive and eager to adopt newRust embedded ecosystemtools and practices.Senior Test Engineer – Audio Experience: 9–12 Years Location: [India(preferably Chennai) Onsite/Remote/Hybrid]Key Responsibilities: Performfunctional and regression testingof Dolby audio codecs (encode, decode, playback, streaming). Conductaudio quality testing(subjective listening + objective metrics) to validate Dolby features. Validate Dolby codecs such asDolby Digital (AC-3), Dolby Digital Plus (E-AC-3), Dolby TrueHD, Dolby Atmos . Executecompliance and certification testingas per Dolby standards. Prepare and executetest plans, test cases, and automation scriptsfor Dolby codec validation. Performbitrate, channel mapping, latency, and performance testingon various audio playback devices. Work with tools foraudio capture, analysis, and measurement(MATLAB, Adobe Audition, Audio Precision, Audacity). Collaborate with firmware, DSP, and system teams to debug codec-related issues. Document defects and maintain reports inJIRA, ALM, TestRail, or equivalent tools . Ensure compliance withDolby certification requirements and OEM deliverables .Required Skills & Qualifications: Bachelor’s/Master’s degree inElectronics, Computer Science, Acoustics, or related field . 4–8 years of experience in audio codec/system testing , with specific focus onDolby codecs . Hands-on testing experience withDolby Digital, Dolby Digital Plus, Dolby Atmos, Dolby TrueHD . Knowledge ofaudio compression techniques, multichannel audio (5.1, 7.1), and surround sound systems . Familiarity withaudio standards (ITU, ETSI, MPEG) . Experience withsubjective audio testing methodologies(e.g., MUSHRA, ABX testing). Exposure toaudio quality measurement tools(PESQ, POLQA, Audio Precision). Scripting knowledge inPython/MATLABfor audio test automation. Experience withembedded audio platforms, multimedia frameworks (GStreamer, FFmpeg) , or infotainment systems.Good to Have: Prior experience inDolby certification processes . Familiarity withBluetooth audio (A2DP, LDAC, aptX)andHDMI ARC/eARC audio testing . Experience withvoice assistants, OTT platforms, or home theater systems . Knowledge ofDSP fundamentals and ARM Cortex architectures .Soft Skills: Excellent listening ability and sensitivity to audio artifacts. Strong problem-solving and debugging skills. Ability to work acrossglobal cross-functional teams . Good documentation and communication skills.