Senior Windows Audio Software Engineer

Quick Facts

• Role: Senior Windows Audio Software Engineer
• Work model: 100% remote or from office (Wrocław, Bielsko-Biała)
• Contract: B2B
• Rate: 140–190 PLN/h

Description

Join a long-term project integrating on-device audio and speech technology into Windows PCs. You will develop and maintain Windows audio components across the Windows audio stack, from audio processing components and virtual devices to system-level drivers. The role also includes real-time audio DSP and on-device machine learning inference for secure, efficient performance.

Responsibilities

• Develop and maintain Windows audio components, including Audio Processing Objects (APOs), virtual microphones, and virtual audio drivers.
• Work with Windows audio technologies, including WASAPI, WDK, and PortCls/ACX.
• Implement and optimize real-time audio processing and DSP algorithms in C/C++.
• Prepare and validate audio components through Windows HLK testing and WHQL certification.
• Integrate on-device machine learning inference using ONNX Runtime, DirectML, and Qualcomm QNN.
• Ensure secure, stable, and efficient execution of audio components and ML models on Windows PCs.

Requirements

• Senior-level experience in Windows audio software development.
• Hands-on experience with Audio Processing Objects (APOs) and/or Windows audio drivers.
• Strong programming skills in C/C++ and experience with real-time audio DSP.
• Practical knowledge of WASAPI and Windows audio architecture.
• Experience with Windows Driver Kit (WDK), PortCls, or Audio Class Extensions (ACX).
• Experience with Windows HLK testing and WHQL certification.
• Fluent English.

Benefits

• Fully remote role on a long-term project for an international client.
• Work on cutting-edge AI technology.
• Experienced team and direct contact with the client’s R&D.
• Stable cooperation plus delivery and people team support throughout the project.