Senior Windows Audio Engineer (f/m/x)

We are looking for a Senior Windows Audio Engineer to join our team focused on developing advanced audio processing solutions. In this hybrid role based in Wroclaw, you will work on integrating voice reconstruction AI into the Windows audio stack, ensuring that applications can seamlessly utilize enhanced audio capabilities. You will collaborate closely with software engineers, AI researchers, and product managers to deliver high-quality audio drivers and processing objects. If you are passionate about audio technology and have a strong background in Windows internals, this opportunity may be the right fit for you.

Your tasks

• Designing and implementing Audio Processing Objects (APOs) for voice reconstruction in the Windows audio capture path
• Developing and maintaining virtual microphone and audio device drivers to expose reconstructed voice as a system-wide input
• Integrating with OEM and IHV audio stacks, ensuring compatibility and coexistence with existing audio processing features
• Managing the release pipeline for drivers and APOs, including HLK testing and WHQL signing
• Optimizing audio processing models for efficient execution on PC NPUs, GPUs, and CPUs
• Ensuring security of model weights and inference through advanced Windows security features
• Profiling and optimizing the audio path for latency and performance
• Collaborating with cross-functional teams to define technical foundations for multiple OEM programs
  
  

Requirements

• Minimum 5 years of experience in Windows Driver Development and audio engineering
• Deep expertise in Windows internals and C++ programming
• Hands-on experience with Windows Audio Architecture, including WASAPI and APO
• Proficiency in developing audio drivers using PortCls, AVStream, and ACX
• Strong understanding of audio DSP techniques, including AEC and noise suppression
• Experience with ONNX Runtime, DirectML, Qualcomm QNN, Intel OpenVINO, or AMD Ryzen AI
• Familiarity with Windows security features such as TPM, VBS, and code integrity
• Advanced level of English
  
  

Nice to have

• Experience with kernel streaming and virtual audio devices
• Knowledge of HLK, WHQL, and INF packaging processes
• Familiarity with audio integration in OEM environments
  
  

Job no. JOB-XTVCG

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care