Qureos Mentor

IYKYKnow.ai

About the JobThe Lead Engineer, Embedded Systems &amp; Hardware will be responsible for end-to-end embedded system architecture and firmware development for a next-generation, real-time audio-capable consumer hardware product. This role includes ownership of low-power microcontroller firmware, audio integration, wireless connectivity, OTA infrastructure, and hardware bring-up. The engineer will collaborate closely with cross-functional teams across software, product, AI/ML, and third-party manufacturing partners.The ideal candidate brings a track record of shipping resource-constrained, connected, battery-powered devices and is confident working across both firmware and hardware domains.Responsibilities<ul><li>Own firmware architecture and implementation across two hardware platforms</li><li>Integrate and optimize real-time audio processing pipelines and wake mechanisms</li><li>Implement secure OTA update flows with rollback support and telemetry</li><li>Lead hardware bring-up, debugging, and factory test firmware development</li><li>Review schematics, manage power budgets, and advise on component placement and thermal constraints</li><li>Support pre-certification efforts and collaborate with compliance consultants and EMS/ODM vendors</li><li>Contribute to roadmap planning and architectural trade-offs across product development phases</li></ul>Qualifications<ul><li>5+ years of experience in embedded systems and firmware development</li><li>Hands-on experience with microcontroller platforms (e.g., ESP32, STM32) and/or Linux-class boards (e.g., Raspberry Pi Zero, NXP i.MX)</li><li>Proficiency in C/C++ and real-time programming (RTOS or FreeRTOS)</li><li>Experience with audio input/output integration (I&sup2;S, PDM, or similar) and DSP optimization</li><li>Demonstrated experience building OTA systems with rollback, secure boot, and encryption</li><li>Familiarity with wireless communication protocols such as BLE and Wi-Fi</li><li>Prior involvement in power budget planning and battery management for mobile devices</li><li>Competence in schematic/BOM review and debugging tools (oscilloscope, logic analyzer, etc.)</li></ul>China Manufacturing Coordination (Mandarin Required)Communicate directly with our Chinese manufacturing partner to:<ul><li>Review prototypes, EVT/DVT adjustments, and design-for-manufacturing feedback.</li><li>Resolve electrical, mechanical, or firmware issues.</li><li>Align on testing rigs, production line requirements, and defect resolution.</li><li>Assist in factory coordination for timelines, sample validation, and ongoing iteration.</li></ul>Preferred Qualifications<ul><li>Experience designing firmware for audio-interactive or voice-triggered devices</li><li>Familiarity with audio preprocessing libraries (e.g., WebRTC, SpeexDSP, AEC/NS/AGC)</li><li>Exposure to MQTT or other device-cloud messaging protocols</li><li>Understanding of manufacturing testing workflows, including test rig design and firmware flashing</li><li>Participation in regulatory testing or certification processes (FCC, CE, UN38.3)</li></ul>Other Qualifications<ul><li>Strong documentation, communication, and cross-functional collaboration skills</li><li>Comfort operating in fast-paced, early-stage hardware-software environments</li><li>Ability to manage external vendors for manufacturing, PCB, or mechanical design</li><li>Interest in privacy-preserving, edge-first product design principles</li></ul>Job Type: ContractPay: $36.75 - $44.26 per hourExpected hours: 20 &ndash; 40 per weekWork Location: Remote

Lead Engineer, Embedded Systems & Hardware

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Lead Engineer, Embedded Systems & Hardware