Engineer, Senior -Audio

Qualcomm; Hyderabad; Hybrid; INR 1,500,000 - 2,500,000; Full time

Job summary

Qualcomm India Private Limited is seeking an experienced engineer to implement and optimize state-of-the-art speech and audio processing algorithms on embedded platforms such as HiFi, Hexagon DSP and ARM. You will design, analyze, and optimize DSP and neural network based methods for echo cancellation, noise suppression, and source separation across mobile, XR/AR/VR, IoT and wearables.

The role involves integrating audio solutions across product lines, collaborating with cross-functional teams,

Qualifications

• Experience with NN workloads on DSP architectures (HiFi/Hexagon/ARM).
• Experience with NN frameworks: TFLite, ONNX Runtime, TFLM, QNN, QAIRT.
• Experience with NN libraries: HiFi NN, Nature DSP, XNNPACK, CMSIS-NN, HexNN.
• MATLAB-to-embedded C translation is a plus.
• Fixed-point programming knowledge required.
• DSP/embedded systems background with strong Python/C/C++ skills.
• Excellent communication and teamwork.

Responsibilities

• Develop and optimize audio signal processing algorithms for echo cancellation and noise suppression.
• Implement and optimize NN workloads on DSP/ARM with HW acceleration (Neon, SME, NPU).
• Collaborate with cross-functional teams to integrate audio solutions into product lines.
• Support debugging and tuning of algorithm performance for commercialized solutions.
• Participate in full product lifecycle from concept to commercialization.

Education

Bachelor's degree in Engineering/CS

Master's degree in Engineering/CS

PhD in Engineering/CS

Tools

HiFi DSP

Hexagon DSP

ARM MCU

TFLite Micro

ONNX Runtime

QNN/QAIRT

XNNPACK

CMSIS-NN

MATLAB

Python

C/C++

Job description

Company

Qualcomm India Private Limited

Job Area

Engineering Group, Engineering Group > Systems Engineering

General Summary

Multimedia Audio Systems team is seeking a highly skilled and motivated Engineer to implement and commercialize state-of-the-art speech enhancement models on embedded platforms such as HIFI, HEXAGON DSP and ARM. The role focuses on designing, analyzing, and optimizing advanced signal processing and Neural Network based algorithms for voice and audio applications which include echo cancellation, noise suppression and target source separation. You will get an opportunity to work on cutting-edge product designs across various domains, including mobile, compute, XR/AR/VR, IoT, and wearable devices.

Key Responsibilities

• Develop and optimize advanced audio signal processing algorithms such as adaptive filtering algorithms for echo cancellation and Noise Suppression.
• Implementation and Optimization of NN workloads on the DSP and ARM with HW acceleration on ARM (Neon/SME) and NPU (Neural Processing Unit)
• Collaborate with Cross functional teams to integrate audio solutions into diverse product lines
• Support debugging, tuning, and troubleshooting algorithm performance issues for commercialized solutions.
• Participate in the full product development lifecycle, from concept to commercialization.

Minimum Qualifications

Experience developing and optimizing neural network (NN) workloads on any digital signal processor (DSP) architectures such as HiFi, Hexagon, or ARM/MCU

• Experience working with neural network (NN) frameworks and runtimes such as LiteRT/TensorFlow Lite (TFLite), Open Neural Network Exchange Runtime (ONNX Runtime), TensorFlow Lite for Microcontrollers (TFLM), Qualcomm Neural Network (QNN), or Qualcomm AI Runtime (QAIRT).
• Experience using neural network (NN) optimized libraries and extensions such as HiFi NN extensions, Nature DSP, XNNPACK, CMSIS-NN, or Hexagon NN (HexNN).
• Experience converting MATLAB algorithms into platform code, such as embedded C.
• Knowledge of fixed-point programming.
• Strong understanding of speech enhancement techniques, including Echo Cancellation and Noise Suppression (ECNS) algorithms or audio denoising algorithms and models.
• Strong background in digital signal processing (DSP) and embedded concepts
• Strong scripting skills in MATLAB or Python.
• Proficiency in programming languages such as C and C++. Excellent problem-solving skills and the ability to work in a fast-paced environment.
• Strong communication and teamwork skills.

Minimum Qualifications

Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 2+ years of Systems Engineering or related work experience.

OR

Master's degree in Engineering, Information Systems, Computer Science, or related field and 1+ year of Systems Engineering or related work experience.

OR

PhD in Engineering, Information Systems, Computer Science, or related field.

Applicants

Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail [e-mail] or call Qualcomm's toll-free number found here. Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries). Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law.

If you would like more information about this role, please contact Qualcomm Careers.