Delart

Audio Electrical Engineer

Delart  •  Shanghai, CN (Onsite)  •  2 months ago
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Job Description

About the job

Delart is home to a team of world-class engineers and project leaders dedicated to developing the next generation of advanced networking technologies, consumer devices, and innovative technology solutions. Trusted by some of the world’s leading technology companies, we deliver highly scalable, mission-critical solutions that power both consumer and business applications globally. Since our founding in 2017, we have been at the forefront of designing cutting-edge networking, telecommunications, and consumer products, while driving end-to-end project execution and creating transformative technology applications.

Responsibilities

  • Debug audio chain circuits, including codecs, embedded DSPs, headphone amps, speaker amps, and microphones, as well as related external circuits like PMICs and converters.
  • Achieve electrical performance targets by employing data-driven design approaches, ensuring optimal system performance.
  • Perform the validation and testing of audio circuit performance and the full audio system, covering rendering, capture, power consumption, and algorithm tuning.
  • Design, specify, and implement product factory tests for audio system validation.
  • Collaborate effectively with internal and external hardware teams (System EE, Power/Battery) and software teams, focusing on audio system bring-up and debugging.
  • Provide cross-functional leadership in audio system design to enhance and optimize audio quality.

Minimum Qualifications

  • Bachelor's degree in Electrical Engineering, Physics, Acoustics or equivalent experience.
  • 7+ years of experience in audio system design with a strong impact on cross-functional teams and leadership in audio quality improvement.
  • Expertise in designing and debugging analog and digital circuits.
  • Proficiency in product development tools such as SPICE simulation, Audio Precision, Power Supplies, Oscilloscopes, and schematic capture and PCB layout tools like OrCAD or Cadence.
  • Proven experience with PCBA and product-level failure modes in both production and field settings.

Preferred Qualifications

  • Master's degree in Electrical Engineering or Physics.
  • Experience designing circuits for the audio chain, including codecs, DSPs, and power supplies.
  • Knowledge in transducer design and developing acoustic tests for laboratory and factory environments.
  • Familiarity with Android and Qualcomm audio debugging tools, including adb, QXDM, QACT, and AudioReach.
  • Understanding of transistor-level IC design and the silicon manufacturing process.
  • Experience in audio speech quality testing and optimization using tools like B&K or ACQUA.
  • Experience with coexistence testing for audio within a full product (as victim or aggressor)

Benefits

Delart provides competitive benefits and compensation across all regions where we operate. In the United States, our benefits package includes premium PPO and HMO medical insurance, dental and vision coverage, flexible spending accounts (FSA), life insurance, short- and long-term disability insurance, a company-matched 401(k) plan, and a generous paid time off policy.

Join us in shaping the future of technology. Apply today!

Delart is an equal opportunity employer. We celebrate diversity and are dedicated to fostering an inclusive workplace for all employees. We strictly prohibit discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.

Delart

About Delart

Since our start in 2017, our team of world-class system and software engineers have participated in designing some of the most advanced telecommunication and consumer products in the world, and have developed these products with the focus and agility of a startup. We provide a range of research, development, and engineering services, including systems engineering, hardware and software, and developing networking and wireless communications standards. Some of the biggest tech companies entrust us with embedding these technologies into their next generation of products:

Technologies

- All generations of Wi-Fi (IEEE 802.11) in all frequency bands (2.4, 5, 6 and 60 GHz)

- Ultra-Wideband (IEEE 802.15.4z and WiMedia standards)

- Cellular technologies (4G/5G covering UE, RAN, Core)

- Millimeter-wave systems

Engineering

- Wireless systems architecture and design

- Standards and Intellectual Property development

- Hardware design and prototyping

- Embedded software development

- Application-level programming

- Systems testing and automation

Applications

- Wireless connectivity solutions for augmented/virtual reality (AR/VR) and other wearable products

- Fixed wireless access and backhaul, including millimeter-wave solutions

- Next-generation cellular infra for 4G/5G based on Open-RAN

Industry
Hardware & Semiconductors
Company Size
51-200 employees
Headquarters
Sunnyvale, California
Year Founded
Unknown
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